2AP93-DS64XSound bar

□DS6401MB □DS6401S□DS6401SB □DS6401D□DS6401PB □DS6541MB □DS6541S□DS6541SB□DS6541SPB E-mail:[email protected] UserManual TVSoundBarSystem 2.0/2.1ChannelStereo bySineAudio EN-1 >ImportantNotes RecommendedtouseopticalcabletoconnectwithyourTV,Bluetoothconnectionmay causeaudiodelay. ForHDMIARC/optical(SPDIF)connection,pleasechangeyourTVaudiooutputto HDMIARC/optical,andchangetheaudioformatsettingtoPCM,andmakesurethe protectivecapsattheendsoftheopticalcableareremovedbeforepluggingitin. TheremotecontroliscompatiblewithGEUltraProandPhilipsuniversalremotesthat supportcodelist. TheremotecontrolisalsocompatiblewithRCAuniversalremotethat RevisionNumber. MakesureyourUniversalRemoteControlsupportsSoundbarandselectthecorrect modelandversion,contactyourUniversalRemoteControlsellerfordetails. ThesoundbardoesnotsupportDolbyandDTS,pleasekindlydisabletheDolbyand DTSviayourTVaudiosettingorstreamingvideoAPPaudiosetting. LipsyncoraudiodelayissuecouldbefixedviaTVsaudiodelaysettings. Forthebettersoundquality,pleasesetthevolumeofthesoundbarto80percentof maximum（Note:themaximumvolumedrop2levelsis80percent）andsetthevolume ofyoursourcedevicetoasuitablelevel. Togetabettersoundeffect,pressthemovie,musicornewsbuttonontheremote controltoselectasuitablesoundmode. Therecommendedsoundmodeselectionsasbelow: ProgramsourceSoundmodeProgramsourceSoundmode StrongbassfilmMusicornewsStrongbassmusicMusicornews GeneralfilmMovieormusicPopmusicMovieorMusic DocumentaryMusicornewsLightmusicMusicornews VarietyshowMusicornewsNews/DialogMusicornews Foraudiocableconnection,youcanboost/restorethevolumebydoubleclickingthe boostbuttonontheremotecontrol. Theaudiooutputofthesoundbarisaffectedbythesettingsoftheconnectedsource.If necessary,adjustthesettingsofthesourcetoimprovetheaudiooutput. Notallremotecontrolfunctionbuttonscanbefoundonthesoundbar.Pleasekeepthe remotecontrolproperly. Disconnectthepoweradapterfromtheelectricaloutlettopoweroffyoursoundbar completely. FlashingBluetoothlightindicatesthatthespeakerisinBluetoothpairingmode. LongpressingtheBTbuttononremoteorMbuttononspeakertodisconnectquickly. EN-2 Donotmakeunauthorizedalterationstothesystem,doingsomay compromisesafety,regulatorycompliance,andmayvoidthewarranty. Thissystemcontainsmagneticmaterial,contactyourphysicianifyouhave questionsonwhetherthismightaffecttheoperationofyourimplantablemedicaldevice. >WarrantyInformation Thewarrantyperiodforthisproductis12monthsfromthedateofitsoriginalpurchase.If manufacturingdefectsoccur,pleasecontactyourdealeratthefirsttime,wewillinstruct youonhowtoreturnthedefectiveunitbacktousforrepairorreplacement. ThefollowingareexcludedfromtheSineAudiowarrantycoverage: Productoverwarranty. Damageresultedfrommisuseandabusiveaction. Damageresultedfromchemical,fire,radioactivesubstance,andpoison,liquid. Damageresultedfromnaturaldisaster. >FCCInformation Thisdevicecomplieswithpart15oftheFCCRules.Operationissubjecttothefollowing twoconditions:(1)thisdevicemaynotcauseharmfulinterference,and(2)thisdevicemust acceptanyinterferencereceived,includinginterferencethatmaycauseundesired operation. Changersormodificationsnotexpresslyapprovedbythepartyresponsibleforcompliance couldvoidtheuser’sauthoritytooperatethisequipment. Note:ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassB digitaldevice,pursuanttoPart15oftheFCCRules.Theselimitsaredesignedtoprovide reasonableprotectionagainstharmfulinterferenceinaresidentialinstallation.This equipmentgenerates,uses,andcanradiateradiofrequencyenergyand,ifnotinstalled andusedinaccordancewiththeinstructions,maycauseharmfulinterferencetoradioor televisionreception,whichcanbedeterminedbyturningtheequipmentoffandon,the userisencouragedtotrytocorrecttheinterferencebyoneofmoreofthefollowing measure: Reorientorrelocatethereceivingantenna. Increasetheseparationbetweentheequipmentandreceiver. Connecttheequipmentintoanoutletonacircuitdifferentfromthattowhichthe receiverisconnected. Consultthedealeroranexperiencedradio/TVtechnicianforhelp. ThisdevicehasbeenevaluatedtomeetgeneralRFexposurerequirement.Thedevice canbeusedinportableexposureconditionwithoutrestriction. EN-3 >PackageContents 1XSoundbar Accessories: 1XPoweradapter 1XOpticalcable 1XUsermanual 1X3.5mmaudiocable 1XRemotecontrol 1XPassivesubwoofer(DS6541only) 2XWallanchors（Forwallmounting） 2XScrews（Forwallmounting） >Features 2.0/2.1channelstereoTVsoundbarsystem 21.2-Inch/24-Inch/31-InchsoundbarforTVs Analogaudiointerface(3.5mmAUXinput) Digitalaudiointerface(HDMIARCinputandopticalinput) Streammusicfromsmartphoneortablet Fullfunctioninfraredremotecontrol >Importantnotes Removetheprotectivecapsatbothendsoftheopticalcablebeforepluggingitin. Ifyoufeelthebassistooheavyorthevocalsarenotenough,pressthe musicornewsbuttonontheremotecontrol. Inordertoreducethebottomnoiseatlowvolume,pleasedonotminimizethevolumeof theaudiosource,itisrecommendedthatthevolumeoftheaudiosourceisgreater than50%,andthenturndownthevolumebyadjustingthespeakers. IfthespeakerisalreadyconnectedtoaBluetoothdevice,thecurrentconnectionmust bedisconnectedbeforeconnectingtoanewBluetoothdevice. >Specifications PoweradapterInput: Output: 100-240VAC50/60Hz 18V1.66A >>Soundbar Outputpower: 25WX2(DS6401S/SB/MB) 30WX2(DS6401D/PB) 25WX2+40W(DS6541S/SB/MB) 30WX2+40W(DS6541SPB) Signaltonoiseratio:80dB(A-weighting) Standbypower:Lessthen0.5W Frequencyresponse: 70Hz–20KHz(DS6401S/SB/MB) 65Hz–20KHz(DS6401D/PB) 50Hz–20KHz(DS6541S/SB/MB) 50Hz–20KHz(DS6541SPB) Totalharmonicdistortion:0.5%(20KHzLPF) Digitalaudioformat:PCM/16-24bit/16-48KHz Note:Accessoriesandspecificationsaresubjecttochangewithoutnotice. EN-4 >SystemOverview >>FrontView Buttons 1.on/off（Pressandhold1S)Play/Pause(shortclick) 2.Volumeup3.Volumedown4.Mode(Source) Sourceindicators>>RedLEDforstandby 5.IndicateLED>>OPT(Purple)BT(Blue)AUX(Green)HDMIARC(White) 6.Speakerdriver7.Speakerdriver 8.Remotesensor9.Bassreflextube10.Connectorpanel >>Connectorpanel Notes: FortheDS6541(2.1channel),SUBoutputsocketconnectstothepassivesubwoofer. FortheDS6401(2.0channel),SUBoutputsocketisonly…

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Shenzhen Saiyin Electronics Co., Ltd. 205, No.28, Xintang Road, Xintian Community, Fuhai Street, Bao’an District, Shenzhen, China Attestation Statements Not Covered Entity Applicant & Not Covered Equipment To: Federal Communications Commission Date: Mar. 17, 25 7435 Oakland Mills Road, Columbia, MD 21046, USA Ref: Information Required by Section 2.911(d)(5)(i) & (ii) FCC ID: 2AP93-DS64X Shenzhen Saiyin Electronics Co., Ltd. (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List, established pursuant to § 1.50002 of reference chapter, as an entity producing “covered” communication equipment. The equipment for which authorization is sought is not “covered” telecommunications equipment and video surveillance equipment produced by entities identified on the Commission’s Covered List that prohibited from receiving an equipment authorization pursuant to section § 2.903 of the FCC rules. Sincerely yours, Applicant Signature Printed Name: Danielle He Title: Manager Address: 205, No.28, Xintang Road, Xintian Community, Fuhai Street, Bao’an District, Shenzhen, China Tel.: 0755-33532477 Email: [email protected]

Shenzhen Saiyin Electronics Co., Ltd. 205, No.28, Xintang Road, Xintian Community, Fuhai Street, Bao’an District, Shenzhen, China U.S. Agent Letter of Attestation To: Federal Communications Commission 7435 Oakland Mills Road, Columbia, MD 21046, USA Date: Mar. 17, 25 Ref: Attestation Statement – Part 2.911(d)(7) filing FCC ID: 2AP93-DS64X Shenzhen Saiyin Electronics Co., Ltd. (“the applicant”) certifies that, as of the date of the filing of the application, FCC US Agent Inc. (“the agent”) is our designated U.S. agent for service of process for the above reference FCC ID. The applicant accepts to maintain an agent for service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. The applicant further acknowledges it is our responsibility to inform the FCC whenever the agent information changes. FCC US Agent Inc. ("the agent) understand it is the agent's obligation to accept service of process in the United States for matters related to the applicable equipment, and at the physical U.S. address and email address. Designated U.S. Agent Company Name: FCC US Agent Inc. FRN: 0033649971 Address: 6464 Dillon Dr Unit 93 Pueblo CO 81008 United States Signature: Contact Person: David Wilson Tel: (303) 520-9810 Email: [email protected] Applicant Company Name: Shenzhen Saiyin Electronics Co., Ltd. Address: 205, No.28, Xintang Road, Xintian Community, Fuhai Street, Bao’an District, Shenzhen, China Signature: Contact Person: Danielle He Tel: 0755-33532477 Email: [email protected]

Shenzhen Saiyin Electronics Co., Ltd. 205, No.28, Xintang Road, Xintian Community, Fuhai Street, Bao’an District, Shenzhen, China Date: 2025/3/17 Dear Sir/Madam, We, Shenzhen Saiyin Electronics Co., Ltd., Hereby declares the following statement, PCB board, circuit, structure and internal of these model(s) are the same, Only model number is different for these model: Product name: Sound bar Model no.: DS6541S, DS6401, DS6401P, DS6401PB, DS6401D, DS6401D+, DS6401DB, DS6401S, DS6401S+, DS6401SB, DS6401SPB, DS6401M, DS6401MB, DS6401MB+, DS6541, DS6541P, DS6541PB, DS6541D, DS6541DB, DS6541SB, DS6541SPB, DS6541M, DS6541MB, DS6541MPB Sincerely, Name/Title： Danielle He / Manager Company: Shenzhen Saiyin Electronics Co., Ltd. Address: 205, No.28, Xintang Road, Xintian Community, Fuhai Street, Bao’an District, Shenzhen, China Phone: 0755-33532477 Fax: N/A E-Mail: [email protected]

Shenzhen Saiyin Electronics Co., Ltd. 205, No.28, Xintang Road, Xintian Community, Fuhai Street, Bao’an District, Shenzhen, China Date: March 19, 2025 Federal Communications Commission Equipment Authorization Division 7435 Oakland Mills Road Columbia, MD 21046 USA Attn: OET Dept. Subject: FCC ID: 2AP93-DS64X To Whom It May Concern: We hereby attest to the fact that we have applied the Suppliers Declaration of Conformity procedure for a Class B Computer Peripheral to the digital portion of this composite filing. The requirements identified in KDB 896810 and 47CFR 2.948(b) have been followed. A test report has been issued by Shenzhen Tongzhou Testing Co., Ltd. and address: 1st Floor, Building 1, Haomai High-tech Park, Huating Road 387, Dalang Street, Longhua, Shenzhen, China and can be identified by report number TZ0031241202FEM01. Sincerely, Signature Danielle He Manager Tel: 0755-33532477 Email: [email protected] Shenzhen Saiyin Electronics Co., Ltd. 205, No.28, Xintang Road, Xintian Community, Fuhai Street, Bao’an District, Shenzhen, China

Shenzhen Saiyin Electronics Co., Ltd. 205, No.28, Xintang Road, Xintian Community, Fuhai Street, Bao’an District, Shenzhen, China March 17, 2025 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request for: FCC ID: 2AP93-DS64X Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby request permanent confidential treatment of the exhibits accompanying this certification application as outlined below : ⎯ Block Diagram ⎯ Schematics ⎯ Operational Description The above exhibits contain trade secrets and/or proprietary information that are not publicly available and materials that the Applicant has spent considerable efforts in developing. Public disclosure of these may be harmful to the Applicant and give an unfair advantage to competitors on the market. Pursuant to DA 04-1705, the applicant also requests temporary confidential treatment of the exhibits outlined below for a period of 45 days from the date of equipment authorization and prior to marketing in the United States to prevent the premature release of any sensitive information. Applicant is aware of their responsibility to notify DERYCOM in the event information regarding the product or the product is made available to the public before the requested period has expired. ⎯ User Manual ⎯ Internal Photos ⎯ External Photos ⎯ Test Setup Photos Sincerely, Title: Manager Address: 205, No.28, Xintang Road, Xintian Community, Fuhai Street, Bao’an District, Shenzhen, China Tel.: 0755-33532477 Email: [email protected]

Shenzhen Saiyin Electronics Co., Ltd. 205, No.28, Xintang Road, Xintian Community, Fuhai Street, Bao’an District, Shenzhen, China March 17, 2025 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization for FCC ID: 2AP93-DS64X I, the undersigned, hereby authorize Shenzhen Tongzhou Testing Co.,Ltd. to act on our behalf in all matters relating to this application for equipment certification. Any act carried out by Shenzhen Tongzhou Testing Co.,Ltd. shall have the same effect as our own and I acknowledge that all responsibility for complying with the terms and conditions of certification, as specified by DERYCOM CERTIFICATION SERVICES, INC., still resides with Shenzhen Saiyin Electronics Co., Ltd.. We certify that we are not subject to a denial of federal benefits that includes FCC benefits pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. §862, and that no party to the application, as defined in 47 CFR §1.2002(b), is subject to a denial of federal benefits that includes FCC benefits pursuant to that section. Sincerely, Danielle He Manager Tel: 0755-33532477 Fax: N/A Email: [email protected]

FCC ID:2AP93-DS64X Page 1 of 6 External Photographs of EUT Fig.1 Fig.2 FCC ID:2AP93-DS64X Page 2 of 6 Fig.3 Fig.4 FCC ID:2AP93-DS64X Page 3 of 6 Fig.5 Fig.6 FCC ID:2AP93-DS64X Page 4 of 6 Fig.7 Fig.8 FCC ID:2AP93-DS64X Page 5 of 6 Fig.9 Fig.10 FCC ID:2AP93-DS64X Page 6 of 6 Fig.11 Fig.12

Label Location FCC ID: 2AP93-DS64X

FCC ID:2AP93-DS64X Page 1 of 3 Internal Photographs of EUT Fig.1 Fig.2 FCC ID:2AP93-DS64X Page 2 of 3 Fig.3 Fig.4 FCC ID:2AP93-DS64X Page 3 of 3 Fig.5 Bluetooth antenna

Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2AP93-DS64X This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 1 of 3 RADIO FREQUENCY EXPOSURE Limit According to section B.4 of 447498 D04 Interim General RF Exposure Guidance v01 SAR-based thresholds are derived based on frequency, power, and separation distance of the RF source. The formula defines the thresholds in general for either available maximum time-averaged power or maximum time-averaged ERP, whichever is greater. If the ERP of a device is not easily determined, such as for a portable device with a small form factor, the applicant may use the available maximum time-averaged power exclusively if the device antenna or radiating structure does not exceed an electrical length of λ/4. As for devices with antennas of length greater than λ/4 where the gain is not well defined, but always less than that of a half-wave dipole (length λ/2), the available maximum time-averaged power generated by the device may be used in place of the maximum time-averaged ERP, where that value is not known. The separation distance is the smallest distance from any part of the antenna or radiating structure for all persons, during operation at the applicable ERP. In the case of mobile or portable devices, the separation distance is from the outer housing of the device where it is closest to the antenna. The SAR-based exemption formula of § 1.1307(b)(3)(i)(B), repeated here as Formula (B.2), applies for single fixed, mobile, and portable RF sources with available maximum time-averaged power or effective radiated power (ERP), whichever is greater, of less than or equal to the threshold Pth (mW). This method shall only be used at separation distances from 0.5 cm to 40 cm and at frequencies from 0.3 GHz to 6 GHz (inclusive). Pth is given by Formula (B.2). Where and f is in GHz, d is the separation distance (cm), and ERP 20cm is per Formula (B.1). Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2AP93-DS64X This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 2 of 3 The example values shown in Table B.2 are for illustration only. Frequency (MHz) Distance (mm) 5 10 15 20 25 30 35 40 45 50 300 39 65 88 110 129 148 166 184 201 217 450 22 44 67 89 112 135 158 180 203 226 835 9 25 44 66 90 116 145 175 207 240 1900 3 12 26 44 66 92 122 157 195 236 2450 3 10 22 38 59 83 111 143 179 219 3600 2 8 18 32 49 71 96 125 158 195 5800 1 6 14 25 40 58 80 106 136 169 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2AP93-DS64X This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 3 of 3 Conducted Power Results Test Mode Antenna Frequency[MHz] Result[dBm] DH5 Ant1 2402 -2.70 DH5 Ant1 2441 -4.07 DH5 Ant1 2480 -6.00 2DH5 Ant1 2402 -2.14 2DH5 Ant1 2441 -3.72 2DH5 Ant1 2480 -5.83 3DH5 Ant1 2402 -1.77 3DH5 Ant1 2441 -3.08 3DH5 Ant1 2480 -5.15 Manufacturing tolerance GFSK (Peak) Channel Channel 0 Channel 39 Channel 78 Target (dBm) -3.0 -4.5 -6.5 Tolerance ±(dB) 1 1 1 π/4-DQPSK (Peak) Channel Channel 0 Channel 39 Channel 78 Target (dBm) -2.5 -4 -6.5 Tolerance ±(dB) 1 1 1 8-DPSK (Peak) Channel Channel 0 Channel 39 Channel 78 Target (dBm) -2.5 -3.5 -5.5 Tolerance ±(dB) 1 1 1 Results Test Mode Max Conducted Tune Up Power(dBm) Max of ERP and Conducted Power including Tune Up (dBm) Max of ERP and Conducted Power including Tune Up (mW) Exemption Limit(mW) GFSK -2 -2 0.631 3 π/4-DQPSK -1.5 -1.5 0.708 3 8DPSK -1.5 -1.5 0.708 3 Max of ERP and Conducted Power including Tune Up (dBm) = Max Conducted Tune Up Power(dBm) and Max Conducted Tune Up Power(dBm) + Antenna Gain(dBi)-2.15), whichever is greater. The antenna gain of the EUT for BT is -0.58 dBi (Max). the Maximum Eirp is used for Routine Evaluation Exemption according to B.4 of 447498 D04 Interim General RF Exposure Guidance v01. So, the SAR evaluation is not required.

Inverted F Antenna Specification Summary ITEMANT SPEC Model Name 2.4G ANT HorizontalVertical 2400MHz 2400MHz2500MHz2400MHz2400MHz 2500MHz Center Frequency -1.26-0.76-0.58-5.25-2.46-1.86 MAX. Gain -0.58dBi PolarizationHorizontal and Vertical Azimuth Beam Pattern Omni-directional Impedance50 Ohm Antenna Length 38.20mm Manufacture ZHUHAI JIELI TECHNOLOGY CO.,LTD Antenna Photo & Length (mm) Horizontal: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -40 Scale: 5/div Gain (dB) Frequency (MHz) MaxMinAvg 2400-1.26174-30.0801-7.18716 2450-0.765802-36.5604-7.48023 2500-0.585582-22.0315-6.59127 Vertical: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -30 Scale: 5/div Gain(dB) Frequency (MHz) Max Min Avg 2400 -5.2537 -22.1424 -12.4294 2450 -2.4652 -24.5837 -10.4702 2500 -1.86120 -29.5214 -9.20432 ANT Test Labs：Attestation of Global Compliance Co., Ltd.

Shenzhen Tongzhou Testing Co.,Ltd FCC ID:2AP93-DS64X Report No.: TZ0031241202FRF01 Page 1 of 46 Appendix Test Data for BT(BDR/EDR) (Conducted Measurement) Product Name: Sound bar Trade Mark: SineAudio Saiyin RIOWOIS Anpharala Test Model: DS6541S FCC ID: 2AP93-DS64X Environmental Conditions Temperature: 23.5°C Relative Humidity: 58% ATM Pressure: 100.0 kPa Test Engineer: Allen Lai Supervised by: Hugo Chen NOTE N/A Appendix A: 20dB Emission Bandwidth Test Result Test Mode Antenna Frequency [MHz] 20db EBW [MHz] FL [MHz] FH [MHz] Limit [MHz] Verdict DH5 Ant1 2402 0.957 2401.529 2402.486 --- --- DH5 Ant1 2441 0.954 2440.532 2441.486 --- --- DH5 Ant1 2480 0.954 2479.532 2480.486 --- --- 2DH5 Ant1 2402 1.275 2401.367 2402.642 --- --- 2DH5 Ant1 2441 1.287 2440.361 2441.648 --- --- 2DH5 Ant1 2480 1.281 2479.364 2480.645 --- --- 3DH5 Ant1 2402 1.284 2401.355 2402.639 --- --- 3DH5 Ant1 2441 1.293 2440.352 2441.645 --- --- 3DH5 Ant1 2480 1.299 2479.346 2480.645 --- --- Shenzhen Tongzhou Testing Co.,Ltd FCC ID:2AP93-DS64X Report No.: TZ0031241202FRF01 Page 2 of 46 Test Graphs DH5-Ant1-2402 DH5-Ant1-2441 Shenzhen Tongzhou Testing Co.,Ltd FCC ID:2AP93-DS64X Report No.: TZ0031241202FRF01 Page 3 of 46 DH5-Ant1-2480 2DH5-Ant1-2402 2DH5-Ant1-2441 Shenzhen Tongzhou Testing Co.,Ltd FCC ID:2AP93-DS64X Report No.: TZ0031241202FRF01 Page 4 of 46 2DH5-Ant1-2480 3DH5-Ant1-2402 3DH5-Ant1-2441 Shenzhen Tongzhou Testing Co.,Ltd FCC ID:2AP93-DS64X Report No.: TZ0031241202FRF01 Page 5 of 46 3DH5-Ant1-2480 Shenzhen Tongzhou Testing Co.,Ltd FCC ID:2AP93-DS64X Report No.: TZ0031241202FRF01 Page 6 of 46 Appendix B: Occupied Channel Bandwidth Test Result Test Mode Antenna Frequency [MHz] OCB [MHz] FL [MHz] FH [MHz] Limit [MHz] Verdict DH5 Ant1 2402 0.86584 2401.5592 2402.4250 --- --- DH5 Ant1 2441 0.88010 2440.5568 2441.4369 --- --- DH5 Ant1 2480 0.89381 2479.5491 2480.4429 --- --- 2DH5 Ant1 2402 1.1780 2401.4052 2402.5832 --- --- 2DH5 Ant1 2441 1.1749 2440.4044 2441.5793 --- --- 2DH5 Ant1 2480 1.1853 2479.3989 2480.5842 --- --- 3DH5 Ant1 2402 1.1872 2401.4029 2402.5901 --- --- 3DH5 Ant1 2441 1.1913 2440.4027 2441.5940 --- --- 3DH5 Ant1 2480 1.1977 2479.3948 2480.5925 --- --- Shenzhen Tongzhou Testing Co.,Ltd FCC ID:2AP93-DS64X Report No.: TZ0031241202FRF01 Page 7 of 46 Test Graphs DH5-Ant1-2402 DH5-Ant1-2441 Shenzhen Tongzhou Testing Co.,Ltd FCC ID:2AP93-DS64X Report No.: TZ0031241202FRF01 Page 8 of 46 DH5-Ant1-2480 2DH5-Ant1-2402 2DH5-Ant1-2441 Shenzhen Tongzhou Testing Co.,Ltd FCC ID:2AP93-DS64X Report No.: TZ0031241202FRF01 Page 9 of 46 2DH5-Ant1-2480 3DH5-Ant1-2402 3DH5-Ant1-2441 Shenzhen Tongzhou Testing Co.,Ltd FCC ID:2AP93-DS64X Report No.: TZ0031241202FRF01 Page 10 of 46 3DH5-Ant1-2480 Shenzhen Tongzhou Testing Co.,Ltd FCC ID:2AP93-DS64X Report No.: TZ0031241202FRF01 Page 11 of 46 Appendix C: Maximum peak conducted output power Test Result Test Mode Antenna Frequency [MHz] Conducted Peak Power [dBm] Conducted Limit [dBm] Verdict DH5 Ant1 2402 -2.70 ≤30 PASS DH5 Ant1 2441 -4.07 ≤30 PASS DH5 Ant1 2480 -6.00 ≤30 PASS 2DH5 Ant1 2402 -2.14 ≤20.97 PASS 2DH5 Ant1 2441 -3.72 ≤20.97 PASS 2DH5 Ant1 2480 -5.83 ≤20.97 PASS 3DH5 Ant1 2402 -1.77 ≤20.97 PASS 3DH5 Ant1 2441 -3.08 ≤20.97 PASS 3DH5 Ant1 2480 -5.15 ≤20.97 PASS Shenzhen Tongzhou Testing Co.,Ltd FCC ID:2AP93-DS64X Report No.: TZ0031241202FRF01 Page 12 of 46 Test Graphs DH5-Ant1-2402-PASS DH5-Ant1-2441-PASS Shenzhen Tongzhou Testing Co.,Ltd FCC ID:2AP93-DS64X Report No.: TZ0031241202FRF01 Page 13 of 46 DH5-Ant1-2480-PASS 2DH5-Ant1-2402-PASS 2DH5-Ant1-2441-PASS Shenzhen Tongzhou Testing Co.,Ltd FCC ID:2AP93-DS64X Report No.: TZ0031241202FRF01 Page 14 of 46 2DH5-Ant1-2480-PASS 3DH5-Ant1-2402-PASS 3DH5-Ant1-2441-PASS Shenzhen Tongzhou Testing Co.,Ltd FCC ID:2AP93-DS64X Report No.: TZ0031241202FRF01 Page 15 of 46 3DH5-Ant1-2480-PASS Shenzhen Tongzhou Testing Co.,Ltd FCC ID:2AP93-DS64X Report No.: TZ0031241202FRF01 Page 16 of 46 Appendix D: Carrier frequency separation Test Result Test Mode Antenna Frequency [MHz] Result [MHz] Limit [MHz] Verdict DH5 Ant1 Hop 1.018 ≥0.957 PASS 2DH5 Ant1 Hop 0.99 ≥0.858 PASS 3DH5 Ant1 Hop 0.998 ≥0.866 PASS Shenzhen Tongzhou Testing Co.,Ltd FCC ID:2AP93-DS64X Report No.: TZ0031241202FRF01 Page 17 of 46 Test Graphs DH5-Ant1-Hop-PASS 2DH5-Ant1-Hop-PASS Shenzhen Tongzhou Testing Co.,Ltd FCC ID:2AP93-DS64X Report No.: TZ0031241202FRF01 Page 18 of 46 3DH5-Ant1-Hop-PASS Shenzhen Tongzhou Testing Co.,Ltd FCC ID:2AP93-DS64X Report No.: TZ0031241202FRF01 Page 19 of 46 Appendix E: Time of occupancy Test Result Test Mode Antenna Frequency [MHz] Burst Width [ms] TotalHops [Num] Result [s] Limit [s] Verdict DH5 Ant1 Hop 2.912 100 0.291 ≤0.4 PASS 2DH5 Ant1 Hop 2.917 70 0.204 ≤0.4 PASS 3DH5 Ant1 Hop 2.920 90 0.263 ≤0.4 PASS Shenzhen Tongzhou Testing Co.,Ltd FCC ID:2AP93-DS64X Report No.: TZ0031241202FRF01 Page 20 of 46 Test Graphs DH5-Ant1-Hop-PASS Shenzhen Tongzhou Testing Co.,Ltd FCC ID:2AP93-DS64X Report No.: TZ0031241202FRF01 Page 21 of 46 2DH5-Ant1-Hop-PASS 3DH5-Ant1-Hop-PASS Shenzhen Tongzhou Testing Co.,Ltd FCC ID:2AP93-DS64X Report No.: TZ0031241202FRF01 Page 22 of 46 Appendix F: Number of hopping channels Test Result Test Mode Antenna Frequency [MHz] Result [Num] Limit [Num] Verdict DH5 Ant1 Hop 79 ≥15 PASS 2DH5 Ant1 Hop 79 ≥15 PASS 3DH5 Ant1 Hop 79 ≥15 PASS Shenzhen Tongzhou Testing Co.,Ltd FCC ID:2AP93-DS64X Report No.: TZ0031241202FRF01 Page 23 of 46 Test Graphs DH5-Ant1-Hop-PASS 2DH5-Ant1-Hop-PASS Shenzhen Tongzhou Testing Co.,Ltd FCC ID:2AP93-DS64X Report No.: TZ0031241202FRF01 Page 24 of 46 3DH5-Ant1-Hop-PASS Shenzhen Tongzhou Testing Co.,Ltd FCC ID:2AP93-DS64X Report No.: TZ0031241202FRF01 Page 25 of 46 Appendix G: Band edge measurements Test Result Test Mode Antenna Ch.Name Frequency [MHz] RefLevel [dBm] Result [dBm] Limit [dBm] Verdict DH5 Ant1 Low 2402 -3.80 -48.63 ≤-23.8 PASS DH5 Ant1 High 2480 -7.53 -48.49 ≤-27.53 PASS DH5 Ant1 Low Hop_2402 -5.04 -49.41 ≤-25.04 PASS DH5 Ant1 High Hop_2480 -7.01 -48.68 ≤-27.01 PASS 2DH5 Ant1 Low 2402 -4.…

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This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen Tongzhou Testing Co.,Ltd. is acknowledged as copyright owner and source of the material. Shenzhen Tongzhou Testing Co.,Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. The test report apply only to the specific sample(s) tested under stated test conditions. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Page 1 of 35 TEST REPORT Report Number : TZ0031241202FRF01 Product Name : Sound bar Model/Type reference : DS6541S, DS6401, DS6401P, DS6401PB, DS6401D, DS6401D+, DS6401DB, DS6401S, DS6401S+, DS6401SB, DS6401SPB, DS6401M, DS6401MB, DS6401MB+, DS6541, DS6541P, DS6541PB, DS6541D, DS6541DB, DS6541SB, DS6541SPB, DS6541M, DS6541MB, DS6541MPB FCC ID : 2AP93-DS64X Prepared for : Shenzhen Saiyin Electronics Co.,Ltd. 205, No.28, Xintang Road, Xintian Community, Fuhai Street, Bao’an District, Shenzhen, China Prepared By : Shenzhen Tongzhou Testing Co.,Ltd. 1st Floor, Building 1, Haomai High-tech Park, Huating Road 387, Dalang Street, Longhua, Shenzhen, China Standards : FCC CFR Title 47 Part 15C, ANSI C63.10: 2013 Date of Test : 2025-01-10 ~ 2025-03-11 Date of Issue : 2025-03-12 Prepared by : Lena Wen (File administrators) Reviewed by : Max Zhang (Technique principal) Approved by : Andy Zhang (General Manager) Report No.: TZ0031241202FRF01 Page 2 of 35 ** Report Revise Record ** Report Version Revise Time Issued Date Valid Version Notes V1.0 / 2025-03-12 Valid Initial release Report No.: TZ0031241202FRF01 Page 3 of 35 TABLE OF CONTENTS 1. G E N E R A L I N F O R M A T I O N ....................................................... 4 1.1. D E S C R I P T I O N O F D E V I C E ( E U T )T T T ........................................ 4 1.2. Wireless Function Tested in this Report .............................................................................. 4 1.3. EUT configuration ................................................................................................................... 5 1.4. Description of Test Facility .................................................................................................... 5 1.5. Statement of the Measurement Uncertainty ......................................................................... 5 1.6. Measurement Uncertainty ...................................................................................................... 6 1.1 Description of Test Modes ..................................................................................................... 6 1.7. Frequency of Channels .......................................................................................................... 6 2. T E S T M E T H O D O L O G Y ............................................................ 8 2.1. EUT Configuration .................................................................................................................. 8 2.2. EUT Exercise ........................................................................................................................... 8 2.3. Test Sample ............................................................................................................................. 8 3. S Y S T E M T E S T C O N F I G U R A T I O N .............................................. 9 3.1. Justification ............................................................................................................................. 9 3.2. EUT Exercise Software ........................................................................................................... 9 3.3. Special Accessories ............................................................................................................... 9 3.4. Block Diagram/Schematics .................................................................................................... 9 3.5. Equipment Modifications ....................................................................................................... 9 3.6. Test Setup ................................................................................................................................ 9 4. S U M M A R Y O F T E S T R E S U L T S ............................................... 10 5. M E A S U R E M E N T R E S U L T S .................................................... 11 5.1. Maximum Peak Conducted Output Power ......................................................................... 11 5.2. Frequency Separation and 20 dB Bandwidth .................................................................... 12 5.3. Number of Hopping Frequency ........................................................................................... 13 5.4. Time of Occupancy (Dwell Time) ..............................................................…

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