2BS8L-AMP79Bluetooth Amplifier

USERMANUAL HI-RESDigitalBTDACAmplifier Model:DC-200K 2.1chClassDKaraokeAmplifier 1.Introduction 1.1TheDC-200KisaHi-Res2.1-channelClassDBluetooth Karaokeamplifierwithcompactdesignandpowerful120W output. 2.Specification 2.1Model:DC-200K BluetoothNameDC-200K BluetoothVersion5.2>upto49FTdistance AudioInputUSB/RCA/Optical AudioOutputSpeakeroutput/AUX PowerOutput60Wx2ch=120W@4Ω SNR≥102dB THD0.05% PowerAmplifierChipTPA3116*2 TerminatingImpedance4-8Ω DSPBuiltinDSPEQcontrol DACSamplingrateto192Khz/24bit FrequencyResponse Range 20Hz-20kHz(±1.2dB) SupportLosslessaudio format MP3/WMA/AAC/AAC+/ALAC/F LACAPE/WAV RemotecontrolFullFunctionalIRremote control PowerAdapter24/5A DCInputRange12-24V Note:YouneedamorepowerfulpowersupplytogettheMAX 100Wx2poweroutput,suchas24V/10A 3.What’sinthebox BluetoothKaraokeAmplifierx1 BluetoothAntennax1 AC/DCPoweradapterx1 UserManualx1 AVcablex1 4.Productoverview 4.1FrontPanel: LCDDisplay:ShowsUSB/BT/Line/Opticalmode IRSensor:Receivesremotesignals DualMicInputs:Wired&wirelessmics Multi-FunctionVOL/MODEKnob: 1.Rotate:Volumeup/down 2.Shortpress:Switchinputmode 3.Longpress:ClearBluetoothpairing 4.2BackPanel: Speakeroutput:Connecttopassivespeaker,Poweredspeaker R-Linput:ConnectthedevicetoamplifierwithRCAcable Opticalinput:Digitalaudioviaopticalcable. SUBoutput:Connecttosubwooferspeaker,poweredspeaker AUXoutput:ConnecttothedevicewithAUXcable USBinput:ConnectexternalUSBflashdriveandHDD DCPort:12V-24V 5.Remotecontrol 1.Power:Poweron/off 2.MIC+/MIC-:Usedtoincreaseor decreasethemicrophonevolumelevel 3.Play/Pause:Playorpausecurrent Musictrack 4.Volume+/-:Amplifiervolumeincrease anddecrease 5.Next:Skiptonextaudioplayback 6.Pre:Skiptothelastaudioplayback 7.ECHO+/ECHO-:Usedtoincreaseor decreasethemicrophoneechoeffect 8.MODE:SwitchtoRCA,USBandBTmode 9.BASS+/BASS-:Usedtoincreaseor decreasethebassvolumelevel 10.TREBLE+/TREBLE-:Usedtoincreaseordecreasethetreble Volumelevel 11.MUTE:SilencestheAmplifieraudio. 6.1PreparationStepsforJAMP79Amplifier Step1:Gatherthefollowingitems: -JAMP79amplifier -24VDCpowersupply(asrequired) -Passivespeakersoractivespeaker/subwoofer -Speakerwiresorbananaplugs Step2:ConnecttheJAMP79topassivespeakersusingspeaker wiresorbananaplugs. (Ifusinganactivespeakerorsubwoofer,connectitviatheLINE OUTportinstead.) Step3:Connectthe24Vpoweradaptertotheamplifier’sDC inputport. Step4:PressthepowerswitchbuttontoturnontheJAMP79 amplifier. 6.2Howtoconnectthespeakerwire? Method1:Barewireconnectionillustration ①Releasethehornterminalsblockterminals; ②Insertthetwoendsofthespeakerwireintotheamplifier andspeakerterminalholes; ③Tightenthehornterminals. Note:Pleasemakesurethatthespeakers’wirearenot attachedwitheachother,thespeakerconnectionareaisvery narrow,itiseasytocausethepositiveandnegative speakers’wirestocontacteachother,whichwillresultin nosoundoutput. Method2:Bananaplugsconnectionillustration ①Releasethebananajacket; ②Loosenthescrew; ③Insertionspeakerwireandtightenthescrew; ④Tightenthebananajacket; ⑤Insertthebananaplugintothehornterminalsofthe speakerandamplifier. Note:Pleasemakesurethatthespeakers’wirearenot attached witheachother,thespeakerconnectionareaisverynarrow, itiseasytocausethepositiveandnegativespeakers’wires tocontacteachother,whichwillresultinnosoundoutput. 7.BluetoothInputMode Prepare:ABluetoothdevice(e.g.,smartphone) Steps: 1.ShortpresstheMulti-FunctionKnoborpresstheBTbutton ontheremotetoswitchtoBluetoothmode. 2.EnableBluetoothonyourdeviceandsearchfor“JAMP79”to connect. 3.Openyouraudioapp,playmusic,andenjoy! Note: TocleartheBluetoothconnection,longpressthe Multi-FunctionKnobfor5seconds. 8.LineInput Prepare:Anaudiosource(e.g.,TV)andanRCAcable. Steps: 1.ShortpresstheMulti-FunctionKnobtoswitchtheinput modetoLINE. 2.ConnecttheTV’saudiooutputtotheamplifier’sAudioInput usingtheRCAcable. 3.TurnontheTV,playaudio,andenjoy! 9.U-DiskInput Prepare:aU-disk(USBflashdrive) Steps: 1.ShortpresstheMulti-FunctionKnobtoswitchtoUSBinput mode,orpresstheUSBbuttonontheremotecontrol. 2.InserttheU-diskintotheUSBportonthebackpanel. 3.TheDC-200Kwillautomaticallyrecognizeandplaythe supportedmusicfiles.Enjoy! Note: a.MaximumU-diskcapacity:64GB b.Maximumfilesize:100MBperfile C.SupportUSB2.0only 10.OpticalInput Prepare:Anaudiosource(e.g.,TV)andanopticalcable. Steps: 1.ShortpresstheMulti-FunctionKnobtoswitchtheinput modetoOPT. 2.ConnecttheTV’sopticalaudiooutputtotheamplifier’s OpticalInputusingtheopticalcable. 3.TurnontheTV,playaudio,andenjoythesound! Insertionspeakerwire 11.SafetyInformation 1.Donotexposetheamplifiertowater,moisture,orextreme temperaturestopreventfireorelectricshock. 2.Avoidplacingthedevicenearheatsourcesorindirect sunlight. 3.Ensureproperventilationaroundthedevice;donotblock anyventilationopenings. 4.Useonlythespecifiedpowersupply(e.g.,DC24V/5A)to preventdamageorhazards. 5.Donotinsertanyobjectsintotheamplifier’sopeningsto avoidelectricshockordamage. 6.Disconnectthepowerbeforecleaningorservicingthedevice. 7.Useadryclothforcleaning;donotuseliquidcleaners. 8.Keepthedeviceoutofreachofchildrentoprevent accidentalinjuryordamage. 9.Donotattempttorepairormodifythedeviceyourself; unauthorizedrepairsmayvoidthewarrantyandcausesafety risks. 10.Incaseofthunderstormorlightning,unplugthedeviceto protectitfrompowersurges. 11.Ifthedevicewillnotbeusedforanextendedperiod, disconnectthepowersupply. FAQ(FrequentlyAskedQuestions) Q1:HowdoIconnectmydeviceviaBluetooth? A:EnsuretheamplifierisinBluetoothmode.EnableBluetooth onyourdevice,searchfor“JAMP79”(oryourmodel),andpair. Q2:Whycan’tIhearanysound? A:Checkthatthevolumeisturneduponboththeamplifier andyoursourcedevice.Verifythecorrectinputmodeis selected. Q3:HowdoIcleartheBluetoothpairinglist? A:LongpresstheVolumeKnobfor5secondstoclearallpaired Bluetoothdevices. Q4:WhattypesofaudiofilesdoestheUSBsupport? A:TheamplifiersupportscommonformatslikeMP3,WAV, andWMA.Pleaseensureindividualfilesizedoesnotexceed 100MB. Q5:CanIusewiredandwirelessmicrophonesatthesame time? A:Yes,theamplifiersupportssimultaneoususeofwiredand wirelessmicrophones. Q6:Whatsh…

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Due Diligence Letter For Certification Service in the USA Federal Communications Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 To whom it may concern FCC ID Model name 2BS8L-AMP79 JAMP79, AMP79.0, JAMP81, JAMP81.0, JAMP99, JAMP99.0, JAPS19, JAPS19.0, JAPS23, JAPS23.0, JAPS36, JAPS36.0 Pursuant to KDB 986446 D01 Covered Equipment Guidance the evaluation of the product above shows compliance for the following reasons: Compliance Evaluation process Results Inherent compliance The chipset(s) used is not capable of running the cybersecurity and/or anti-virus software Compliance The memory used does not allow the running the cybersecurity and/or anti-virus software Compliance The storage capacity does not allow the running the cybersecurity and/or anti-virus software Compliance The operating system used is not capable of running the cybersecurity and/or anti-virus software Compliance No inherent compliance Based on software bill of material Based on scan for running software on the device Based on filesystem scan for cybersecurity and/or anti-virus software The equipment for which authorization is sought complies with the rules and fulfils the requirements as detailed in the above mentioned KDB. Evaluation performed by Company Name: Shenzhen LCS Compliance Testing Laboratory Ltd. Contact Name: Martion Lee Address: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Phone: +86-755-82591330 Email: [email protected] Signature: Date: 2025-11-28

LocalRepresentativeLetter ForCertificationServiceintheUSA FederalCommunicationsCommission EquipmentAuthorizationDivision,ApplicationProcessingBranch 7435OaklandMillsRoad Columbia,MD21048 Towhomitmayconcern PursuanttoSection2.911(d)(7),oftheCommission’sRules(47C.F.R.)weattestasfollowsfor theproductlistedbelow: FCCIDModelname 2BS8L-AMP79 AMP79,AMP79.0，JAMP81，JAMP81.0， JAMP99，JAMP99.0，JAPS19，JAPS19.0， JAPS23，JAPS23.0，JAPS36，JAPS36.0 Weherebyacknowledgeasfollows: i.bothsigneesconfirmthatthepointofcontactacceptsresponsibilitytoactasaUS- AmericanRepresentativeonbehalfoftheapplicant ii.thepointofcontactprovidesthephysicalU.S.addressandemailaslistedbelow iii.bothpartiesmaintaintherequirementsofthisagreementfornolessthanoneyear afterthegranteehasterminatedallmarketingandimportationortheconclusionof anyCommission-relatedproceedinginvolvingtheequipment. iv.Anexpirationdateforthisletterdoesnotexist.IncasetheU.S.agentchanges,the granteeisobligatedtonotifytheFCCwithin30daysviathegrantingTCB. US-AmericanPointofContactApplicant/ApprovalHolder Signature:Signature: SignatureDate:2025-12-8SignatureDate:2025-12-8 CompanyName:SonicSynergyIncSonicSynergyInc FRN:00376647520037664752 ContactName:SamShenSamShen Address:441617aveBrooklynNewYork 11204UnitedStates 441617aveBrooklynNewYork 11204UnitedStates Phone:(130)254-10648(130)254-10648 Email:[email protected]@theeternity-tech.com

Covered Equipment Attestation Letter For Certification Service in the USA Federal Communications Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 To whom it may concern Pursuant to Section 2.911(d)(5)(i)-(ii) of the Commission’s Rules (47 C.F.R.) we attest as follows for the product listed below: FCC ID Model name 2BS8L-AMP79 JAMP79, AMP79.0, JAMP81, JAMP81.0, JAMP99, JAMP99.0, JAPS19, JAPS19.0, JAPS23, JAPS23.0, JAPS36, JAPS36.0 We, Applicant Company Name: Sonic Synergy Inc Address: 4416 17 ave, Brooklyn, New York 11204, United States Phone: +1-130-254-1064 8 certify that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. This includes the cybersecurity and anti-virus software produced or provided by Kaspersky Lab, Inc. or any of ist successors and assignees. We certify that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. If you have any questions, please feel free to contact us at the address shown below. Sincerely, 2025-12-08 Signature Date Name / Title: Sam Shen / Manager Company: Sonic Synergy Inc Address: 4416 17 ave, Brooklyn, New York 11204, United States Phone: +1-130-254-1064 8 Fax: N/A E-Mail: [email protected]

Sonic Synergy Inc 4416 17 ave, Brooklyn, New York 11204, United States Date: December 8, 2025 FCC ID: 2BS8L-AMP79 Model Number: JAMP79, AMP79.0, JAMP81, JAMP81.0, JAMP99, JAMP99.0, JAPS19, JAPS19.0, JAPS23, JAPS23.0, JAPS36, JAPS36.0 To: Federal Communication Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21048 To Whom It May Concern, We, Sonic Synergy Inc hereby declare that our product (Bluetooth Amplifier) Model Number: JAMP79, AMP79.0, JAMP81, JAMP81.0, JAMP99, JAMP99.0, JAPS19, JAPS19.0, JAPS23, JAPS23.0, JAPS36, JAPS36.0 board, Schematic, Hardware version, Software version, structure and internal photos are same, named differently due to marketing purposes. Should you have any questions or comments regarding this matter, please have my best attention. Sincerely, (Signed) Name / Title: Sam Shen / Manager Company: Sonic Synergy Inc Address: 4416 17 ave, Brooklyn, New York 11204, United States Phone: +1-130-254-1064 8 Fax: N/A E-Mail: [email protected]

Confidentiality Request Letter For Certification Service in the USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 To whom it may concern Pursuant to Paragraphs §0.457 and 0.459 of the Commission’s Rules (47 C.F.R.) and Section §552(b)(4) of the Freedom of Information Act, we request confidentiality for the documentation of the following products: FCC ID Model name 2BS8L-AMP79 JAMP79, AMP79.0, JAMP81, JAMP81.0, JAMP99, JAMP99.0, JAPS19, JAPS19.0, JAPS23, JAPS23.0, JAPS36, JAPS36.0 For the products listed above, we request permanent confidentiality for all applicable exhibits as there are: • the Operational Description • the Block Diagram • the Schematics • the Part List • the Tune up Information The above listed exhibits contain trade secrets and proprietary information that could be of benefit to our competitors. If you have any questions, please feel free to contact us at the address shown below. Sincerely, 2025-12-08 Signature Date Name / Title: Sam Shen / Manager Company: Sonic Synergy Inc Address: 4416 17 ave, Brooklyn, New York 11204, United States Phone: +1-130-254-1064 8 Fax: N/A E-Mail: [email protected]

Page 1 of 6 FCC ID: 2BS8L-AMP79 Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com External Photos of the EUT Fig. 1 Fig. 2 Bluetooth Antenna Page 2 of 6 FCC ID: 2BS8L-AMP79 Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com Fig. 3 Fig. 4 Page 3 of 6 FCC ID: 2BS8L-AMP79 Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com Fig. 5 Fig. 6 Page 4 of 6 FCC ID: 2BS8L-AMP79 Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com Fig. 7 Fig. 8 Page 5 of 6 FCC ID: 2BS8L-AMP79 Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com Fig. 9 Fig. 10 R-SMA Antenna Connector Page 6 of 6 FCC ID: 2BS8L-AMP79 Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com Fig. 11

Page1of1FCCID:2BS8L-AMP79 GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com LabelandLocation (Size:L:3.0cmxW:4.0cm) LabelLocation BluetoothAmplifier Model:JAMP79 FCCID:2BS8L-AMP79

Page 1 of 10 FCC ID: 2BS8L-AMP79 Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com Internal Photos of the EUT Fig. 1 Fig. 2 Page 2 of 10 FCC ID: 2BS8L-AMP79 Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com Fig. 3 Fig. 4 Page 3 of 10 FCC ID: 2BS8L-AMP79 Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com Fig. 5 Fig. 6 Page 4 of 10 FCC ID: 2BS8L-AMP79 Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com Fig. 7 Fig. 8 Page 5 of 10 FCC ID: 2BS8L-AMP79 Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com Fig. 9 Fig. 10 Page 6 of 10 FCC ID: 2BS8L-AMP79 Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com Fig. 11 Fig. 12 Page 7 of 10 FCC ID: 2BS8L-AMP79 Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com Fig. 13 Fig. 14 Page 8 of 10 FCC ID: 2BS8L-AMP79 Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com Fig. 15 Fig. 16 Page 9 of 10 FCC ID: 2BS8L-AMP79 Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com Fig. 17 Fig. 18 Page 10 of 10 FCC ID: 2BS8L-AMP79 Guangzhou LCS Compliance Testing Laboratory Ltd. Add: No.44-1, Qianfeng North Road, Shiqi, Panyu District, Guangzhou, Guangdong, China Tel: +(86) 020-39166689 | E-mail: [email protected] | Web: www.lcs-cert.com Fig. 19

Page1of10FCCID:2BS8L-AMP79ReportNo.:LCSC11055017EC GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com RFExposureEvaluation For SonicSynergyInc BluetoothAmplifier TestModel:JAMP79 AdditionalModelNo.:PleaseRefertoPage6 Preparedfor:SonicSynergyInc Address:441617aveBrooklynny11204USA Preparedby:GuangzhouLCSComplianceTestingLaboratoryLtd. Address: No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou, Guangdong,China Tel:(+86)020-39166689 Fax:(+86)020-39166619 Web:www.LCS-cert.com Mail:[email protected] Dateofreceiptoftestsample:November12,2025 Numberoftestedsamples:2 SampleNo.:C251110002-1,C251110002-2 Serialnumber:Prototype DateofTest:November12,2025~November28,2025 DateofReport:November28,2025 Page2of10FCCID:2BS8L-AMP79ReportNo.:LCSC11055017EC GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com RFExposureEvaluation ReportReferenceNo......................: LCSC11055017EC DateofIssue.......................................:November28,2025 TestingLaboratoryName..............:GuangzhouLCSComplianceTestingLaboratoryLtd. Address................................................: No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou, Guangdong,China TestingLocation/Procedure............:FullapplicationofHarmonisedstandards■ PartialapplicationofHarmonisedstandards□ Otherstandardtestingmethod□ Applicant’sName.............................:SonicSynergyInc Address................................................:441617aveBrooklynny11204USA TestSpecification Standard..............................................:FCCKDBpublication447498D01General1RFExposure Guidancev06 FCCCFR47part11.1310 FCCCFR47part22.1091 TestReportFormNo......................:TRF-4-E-214A/0 TRFOriginator....................................:GuangzhouLCSComplianceTestingLaboratoryLtd. MasterTRF.........................................:Dated2011-03 GuangzhouLCSComplianceTestingLaboratoryLtd.Allrightsreserved. Thispublicationmaybereproducedinwholeorinpartfornon-commercialpurposesaslongasthe GuangzhouLCSComplianceTestingLaboratoryLtd.isacknowledgedascopyrightownerandsourceof thematerial.GuangzhouLCSComplianceTestingLaboratoryLtd.takesnoresponsibilityforandwillnot assumeliabilityfordamagesresultingfromthereader'sinterpretationofthereproducedmaterialduetoits placementandcontext. EUTDescription...............................:BluetoothAmplifier TradeMark..........................................: JYKER, TestModel...........................................:JAMP79 Ratings.................................................: PleaseRefertoPage6 Result...................................................:PASS Compiledby:Supervisedby:Approvedby: AceYao/AdministratorJustinZhu/TechniqueDirectorGavinLiang/Manager Page3of10FCCID:2BS8L-AMP79ReportNo.:LCSC11055017EC GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com FCC--TESTREPORT TestResult:PASS Thetestreportmerelycorrespondstothetestsample. Itisnotpermittedtocopyextractsofthesetestresultwithoutthewrittenpermissionofthetestlaboratory. TestReportNo.:LCSC11055017EC November28,2025 Dateofissue EUT.........................................:BluetoothAmplifier TestModel...............................:JAMP79 Applicant...............................:SonicSynergyInc Address..................................:441617aveBrooklynny11204USA Telephone...............................:/ Fax..........................................:/ Manufacturer........................:SonicSynergyInc Address...................................:441617aveBrooklynny11204USA Telephone...............................:/ Fax..........................................:/ Factory...................................:SHENZHENKINGTECHTECHNOLOGYCO.,LTD Address...................................:Floor3,BuildingA,ShaJingHongHuIndustryPark,XiHuanRoad, ShaJing,Bao'An,Shenzhen,China Telephone...............................:/ Fax..........................................:/ Page4of10FCCID:2BS8L-AMP79ReportNo.:LCSC11055017EC GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com RevisionHistory ReportVersionIssueDateRevisionContentRevisedBy 000November28,2025InitialIssue--- Page5of10FCCID:2BS8L-AMP79ReportNo.:LCSC11055017EC GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com TABLEOFCONTENTS DescriptionPage 1.PRODUCTINFORMATION.....................................................................................................................................6 2.EVALUATIONMETHOD..........................................................................................................................................7 3.LIMIT............................................................................................................................................................................7 4.MPECALCULATIONMETHOD.............................................................................................................................8 5.ANTENNAINFORMATION.....................................................................................................................................8 6.CONDUCTEDPOWER............................................................................................................................................8 7.MANUFACTURINGTOLERANCE.........................................................................................................…

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Page1of34FCCID:2BS8L-AMP79ReportNo.:LCSC11055017EB GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com FCCTESTREPORT For SonicSynergyInc BluetoothAmplifier TestModel:JAMP79 AdditionalModelNo.:PleaseRefertoPage6 Preparedfor:SonicSynergyInc Address:441617aveBrooklynny11204USA Preparedby:GuangzhouLCSComplianceTestingLaboratoryLtd. Address:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou, Guangdong,China Tel:(+86)020-39166689 Fax:(+86)020-39166619 Web:www.LCS-cert.com Mail:[email protected] Dateofreceiptoftestsample:November12,2025 Numberoftestedsamples:2 SampleNo.:C251110002-1,C251110002-2 Serialnumber:Prototype DateofTest:November12,2025~November28,2025 DateofReport:November28,2025 Page2of34FCCID:2BS8L-AMP79ReportNo.:LCSC11055017EB GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com FCCTESTREPORT FCCCFR47PART15C(15.247) ReportReferenceNo......................:LCSC11055017EB DateofIssue.......................................:November28,2025 TestingLaboratoryName..............:GuangzhouLCSComplianceTestingLaboratoryLtd. Address................................................:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou, Guangdong,China TestingLocation/Procedure............:FullapplicationofHarmonisedstandards■ PartialapplicationofHarmonisedstandards□ Otherstandardtestingmethod□ Applicant’sName.............................:SonicSynergyInc Address................................................:441617aveBrooklynny11204USA TestSpecification Standard..............................................: FCCCFR47PART15C(15.247) TestReportFormNo......................:TRF-4-E-145A/0 TRFOriginator....................................:GuangzhouLCSComplianceTestingLaboratoryLtd. MasterTRF.........................................:Dated2011-03 GuangzhouLCSComplianceTestingLaboratoryLtd.Allrightsreserved. Thispublicationmaybereproducedinwholeorinpartfornon-commercialpurposesaslongasthe GuangzhouLCSComplianceTestingLaboratoryLtd.isacknowledgedascopyrightownerandsourceof thematerial.GuangzhouLCSComplianceTestingLaboratoryLtd.takesnoresponsibilityforandwillnot assumeliabilityfordamagesresultingfromthereader'sinterpretationofthereproducedmaterialduetoits placementandcontext. EUTDescription...............................:BluetoothAmplifier TradeMark..........................................: JYKER, TestModel...........................................:JAMP79 Ratings.................................................: PleaseRefertoPage6 Result..................................................:PASS Compiledby:Supervisedby:Approvedby: AceYao/AdministratorJustinZhu/TechniqueDirectorGavinLiang/Manager Page3of34FCCID:2BS8L-AMP79ReportNo.:LCSC11055017EB GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com FCC--TESTREPORT TestModel...............................:JAMP79 EUT.........................................:BluetoothAmplifier Applicant...............................:SonicSynergyInc Address..................................:441617aveBrooklynny11204USA Telephone...............................:/ Fax..........................................:/ Manufacturer........................:SonicSynergyInc Address...................................:441617aveBrooklynny11204USA Telephone...............................: Fax..........................................: Factory...................................:SHENZHENKINGTECHTECHNOLOGYCO.,LTD Address...................................:Floor3,BuildingA,ShaJingHongHuIndustryPark,XiHuanRoad, ShaJing,Bao'An,Shenzhen,China Telephone...............................:/ Fax..........................................:/ TestResultPASS Thetestreportmerelycorrespondstothetestsample. Itisnotpermittedtocopyextractsofthesetestresultwithoutthewrittenpermissionofthetestlaboratory. TestReportNo.:LCSC11055017EB November28,2025 Dateofissue Page4of34FCCID:2BS8L-AMP79ReportNo.:LCSC11055017EB GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com RevisionHistory ReportVersionIssueDateRevisionContentRevisedBy 000November28,2025InitialIssue--- Page5of34FCCID:2BS8L-AMP79ReportNo.:LCSC11055017EB GuangzhouLCSComplianceTestingLaboratoryLtd. Add:No.44-1,QianfengNorthRoad,Shiqi,PanyuDistrict,Guangzhou,Guangdong,China Tel:+(86)020-39166689|E-mail:[email protected]|Web:www.lcs-cert.com TABLEOFCONTENTS 1.GENERALINFORMATION.....................................................................................................................................6 1.1.DESCRIPTIONOFDEVICE(EUT).........................................................................................................................6 1.2.SUPPORTEQUIPMENTLIST..................................................................................................................................7 1.3.EXTERNALI/OCABLE..........................................................................................................................................7 1.4.DESCRIPTIONOFTESTFACILITY.........................................................................................................................7 1.5.STATEMENTOFTHEMEASUREMENTUNCERTAINTY..........................................................................................7 1.6.MEASUREMENTUNCERTAINTY............................................................................................................................8 1.7.DESCRIPTIONOFTESTMODES......................................................................................…

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SHUNDACHENGTECHNOLOGYCO.,LTD CompanyAddress:4thFloor,BuildingB5,XinfuIndustrialPark,ChongqingRoad,FuyongTown,BaoanDistrict, ShenzhenTelephone:0755-27211658Fax:0755-29485750 SPECIFICATIONFORAPPROVAL ApprovalCustomerApproval PreparedByCheckedByApprovalByCheckedByApprovalBy Signature HuangZongbaoYong-huiYang FuXueRong Date 2025.03.202025.03.202025.03.20 ChangeLog VersionChangeDescriptionPersoninChargeApprovalByDate CustomerName FengCai CustomerProject Name externalantenna SDCProjectName externalantenna CustomerP/NSDCP/N WZ-5494B-A Band WIFI2.4G Version A0 DesignerInformation RFEngineer Yong-huiYangR&DDiretorFuXueRong MEEngineer HuangZongbao SHUNDACHENGTECHNOLOGYCO.,LTD CompanyAddress:4thFloor,…

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