2A6FX-PFA600BUAmplifier

Sound Around INC. 2.911 (d)(7)USA Agent v1.5 Section 2.911(d)(7) USA Agent for Service of Process Company name: Sound Around INC. Address: 1600, 63rd Street, 1st Floor, Brooklyn, NY New York, 11219, United States Product Name: Amplifier FCC ID: 2A6FX-PFA600BU Model(s): PFA600BU 2.911(d)(7) USA Designated Agent for Service of Process We, [Sound Around INC.] (“the applicant”) designate [Sound Around INC.] NOTE1 for the purpose of accepting service of process on behalf of the applicant. Applicant consent: We Acknowledge our consent 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 of the designated agent and acknowledge our acceptance of our obligation 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. Agent obligation: We Acknowledge our obligation to accept service of process in the United States for matters related to the applicable equipment at our physical U.S. address and email address 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. US A Com Add Bro o FC C 0032 Co n Tele Ema Sig n Title Date NO T of pr Refe https al-se A Agent mpany name ress: 1600, oklyn, NY N C Registratio 2255309 ntact Name: ephone No: ail: Abe@py nature: e: Manager e: Aug. 07, TE 1: An app rocess. erence; Federa s://www.fede ecurity-threa e: Sound Ar , 63rd Stree New York, 1 on Number Abe Brach 718-535-18 yleusa.com 2026 plicant locate al Register do eralregister.g ats-to-the-com Soun round INC. et, 1st Floor 1219, Unite (FRN): h 810 d in the Unite ocument 2022- gov/documen mmunication nd Around r, ed States A A T T ed States ma -28263 publish nts/2023/02/0 s-supply-cha d INC. Applicant Company n Address: 16 Brooklyn, N FCC Regist Grantee Co Contact Na Telephone Email: Abe@ Signature: Title: Mana Date: Aug. ay designate hed on 02/06/ 06/2022-282 ain-through-t 2.911 ( name: Soun 600, 63rd S NY New Yor tration Num ode: 2A6FX ame: Abe Br No: 718-53 @pyleusa.c ger 07, 2026 e itself as the /23 263/protecting the (d)(7)USA Agen nd Around IN Street, 1st F rk, 11219, U mber (FRN): X rach 35-1810 com agent for se g-against-na nt v1.5 NC. loor, United State 003225530 rvice ation es 09

Section Company n Address: 16 Product Na FCC ID: 2A Model(s): P 2.911(d)(5 We, [Soun d through cer  Pro  Ide n Yours sinc e Name: Abe Title: Man a Company n Signature: NOTE 1 “Covered List https://www.f c References; 1) 986446 D 0 https://apps.fc 2) Federal R e https://www.fe munications-s 2.911(d) name: Soun 600, 63rd S ame: Amplifi A6FX-PFA6 PFA600BU 5)(i) Equip d Around IN rtification is hibited fro m ntified as an erely, e Brach ager name: Soun ”; is the List o cc.gov/supplyc 01 Covered Eq cc.gov/oetcf/kd egister docume ederalregister. supply-chain-t )(5)(i) Ce nd Around IN Street, 1st F ier 00BU ment Type NC.] (“the ap not: m receiving n equipmen nd Around IN of Equipment a chain/covered quipment v01 db/forms/FTS ent 2022-2826 gov/documen hrough-the Sound ertificatio NC. loor, Brook l e pplicant”) ce an equipme nt type in the NC. and Services C list SearchResul t 63 published o nts/2023/02/06 d Around on – Equi lyn, NY New ertify that the ent authoriz e “Covered Covered By S tPage.cfm?sw on 02/06/23 6/2022-28263/ d INC. 2. ipment T w Yo r k , 11 2 e equipmen zation pursu List” NOTE 1 D ection 2 of Th witch=P&id=32 /protecting-ag 911 (d)(5)(i) Eq Type 19, United nt for which uant to § 2.9 Date: Aug. 0 e Secure Netw 5672 ainst-national- quipment Type A States authorizati o 903; of the F 07, 2026 works Act, ava -security-threa Attestation v1.2 on is sough FCC rules. ailable at ats-to-the-com 2 t m

Section Company n Address: 16 Product Na FCC ID: 2A Model(s): P 2.911(d)(5 ) We, [Sound the applica this chapte Yours sinc e Name: Abe Title: Man a Company n Signature: NOTE 1 Delete option NOTE 2 “Covered List https://www.f c References; 1) 986446 D 0 https://apps.fc 2) Federal Re https://www.fe munications-s 2.911(d) name: Soun 600, 63rd S ame: Amplifi A6FX-PFA6 PFA600BU )(ii) Applica d Around IN nt is not ide r, as an ent erely, e Brach ager name: Soun not applicable ”; is the List o cc.gov/supplyc 01 Covered Eq cc.gov/oetcf/kd egister docume ederalregister. supply-chain-t )(5)(ii) Ce nd Around IN Street, 1st F ier 00BU ant filing NC.] (“the ap entified NOTE tity producin nd Around IN e to this applic of Equipment a chain/covered quipment v01 db/forms/FTS ent 2022-2826 gov/documen hrough-the Sound ertificatio NC. loor, Brook l pplicant”) ce E 1 on the “C ng covered NC. cation. and Services C list SearchResul t 63 published o nts/2023/02/06 d Around on – App lyn, NY New ertify that, a Covered List communica Covered By S tPage.cfm?sw on 02/06/23 6/2022-28263/ d INC. plicant (C w Yo r k , 11 2 as of the dat t” NOTE 2 , esta ations equip ection 2 of Th witch=P&id=32 /protecting-ag 2.911 (d)(5 Covered L 19, United te of the filin ablished pu pment. D a e Secure Netw 5672 ainst-national - 5)(ii) Applicant A List ) States ng of the ap rsuant to §1 ate: Aug. 07 works Act, ava -security-threa Attestation v1.3 pplication, 1.50002 of 7, 2026 ailable at ats-to-the-com 3 m

Co m Ad d Pr o Mo d Pr o We act We an d issu our Sig Na m Title Com mpany: Sou dress: 1600 oduct Name del Numbe oduct Desc authorize M on our beha declare tha d certificatio ues concern behalf shal nature: me: e: mpany: und Around 0, 63rd Stre e: Amplifier er(s): PFA60 ription: Am MiCOM Lab alf on all ma at MiCOM L n of equipm ning the app ll have the s Abe Brac Manager Sound Ar Sou Agen d INC. eet, 1st Floo 00BU mplifier bs Inc., 575 atters conce Labs Inc. is ment to the r proval applic same effect h round INC. und Aro nt Auth or, Brooklyn Boulder C o erning the c allowed to f regulatory a cation. Any t as acts of ound INC horizat , NY New Y ourt, Pleasa certification forward all i agencies as and all acts our own. C. ion York, 11219 anton, Califo of above na information s required a s carried ou Date: , United Sta ornia 94566 amed equip related to t nd to discu ut by MiCOM Aug. 07, 2 ates 6, USA, to pment. the approva ss any M Labs on 2026 al

Office o Federa 7435 O Columb USA Subjec t FCC ID To Wh o Pursua are req u docume These d propriet might b In addi t in Title busine s authoriz For 4 O For 1 It is ou r corresp docume authoriz Sincer e Signatu Name: A Title: M of Engineeri l Communic Oakland Mills bia, MD 210 t; Request f D: 2A6FX-PF om It May C nt to the pro uesting the ents from pu documents tary informa be harmful to Schemat Block Di Parts Lis Operatio Tune-up tional to abo 47 CFR §2 ss sensitive zed devices External Test Set Internal P User Ma 45 days, pu OR 180 days pu r understand pondence du ents and thi zation is iss ely, ure: Abe Brach anage r ing Techno cations Com s Road 046 for Confiden FA600BU Concern, ovisions of t Commissio ublic disclos contain det ation in ope o our comp tic Diagram agram st onal Descrip Procedure ove mention .803 and th informatio n s, we reque Photos tup Photos Photos anual rsuant to P u ursuant to K ding that all uring the ce s informatio sued. Soun logy mmission ntiality the Commis on to withho sure indefin tailed syste ration of th e any and wo m ption ned docume e importatio n remains c st Short Te ublic Notice KDB 726920 l measurem ertification re on will be av nd Aroun ssion’s rule old the follow nitely. m and equi e equipmen ould give co ents, in orde on rules in T confidential rm Confide e DA 04-170 0 D01. ment test rep eview proce vailable for nd INC. s Title 47 S wing attach pment desc nt. The publ ompetitors a er to comply Title 47 CFR until the act ntiality of th 05. ports, FCC ess cannot public revi e Sections §0. hment(s) as criptions an ic disclosu r an unfair ad y with the m R §2.1204, tual market he following ID label for be granted ew once the Date: Aug. 457 and § 0 confidentia d are consi re of these d vantage in marketing re while ensu ting of newly attachmen mat and as confide n e grant of eq 07, 2026 0.459, we al dered as documents the market . egulations ring that y t(s); ntial quipment .

FCC ID LABEL: Ca. 20mm x 10mm Label Location FCC ID: 2A6FX-PFA600BU

MPE ESTIMATION FCC ID: 2A6FX-PFA600BU 1, According to §1.1310, Limit for General Population/ Uncontrolled Exposures Frequency Power density (mW/ cm 2 ) Averaging time(minutes) 300MHz----1.5GHz F/1500 30 1.5GHz---100GHz 1.0 30 Note: F= Frequency in MHz 2, Estimation Result Frequency (MHz) Max PK Output power (dBm) Tune Up Power (dBm) Max Tune Up power(mW) Antenna Gain(dBi) Antenna Gain (numerical) MPE (mW/cm²) Limit (mW/cm²) Ratios BLE 2402 -7.21 -8±1(-7)0.200 2.00 1.58 0.00006 1.0 0.00006 EDR 2402 -4.31 -5±1(-4)0.398 2.00 1.58 0.00013 1.0 0.00013 Note: Note: The estimation distance is 20cm Note: PK Output power= conducted power in mW. G=power gain of the antenna in the direction of interest relative to an isotropic radiator R=distance to the center of radiation of the antenna in cm Conducted power see the test report DLE-260717007R/ DLE-260717008R, antenna gain=2dBi. When the minimum test separation distance is >20 cm, a distance of 20 cm is applied to determine RF Exposure test exclusion. The test exclusion threshold is 0.00013 which is< 1.0; RF Exposure testing is not required. -------The End-------

C DL-Cert ert DL-Cert DL D L-Cert DL-Cert DL-Cer D L-Cert DL-Cert DL-Cert Cert D L-Cert DL-Cert DL-Cert DL-C DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert ert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert D DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Ce DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL- DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert ert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-C DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert ert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Ce L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert D DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-C L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert rt DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Ce DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-C L-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert rt DL-Cert DL-Cert DL-Cert D L-Cert DL-Ce DL-Cert DL-Cert DL-Cert D L-Cert DL Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert D L-C L-Cert DL-Cert rt DL-Cer DL Shenzhen DL Testing Technology Co., Ltd. Report No.: DLE-260717008R Test Report Tel: 400-688-3552 Web: www.dl-cert.com Email: [email protected] Page 35 of 49 3.8 Out-of-Band Emissions Limit In any 100 kHz bandwidth outside the frequency band in which the spread spectrum or digitally modulated intentional radiator is operating, the radio frequency power that is produced by the intentional radiator shall be at least 20 dB below that in the 100 kHz bandwidth within the band that contains the highest level of the desired power, based on either an RF con-ducted or a radiated measurement, pro-vided the transmitter demonstrates compliance with the peak conducted power limits. If the transmitter com-plies with the conducted power limits based on the use of RMS averaging over a time interval, as permitted under paragraph (b)(3) of this section, the attenuation required under this paragraph shall be 30 dB instead of 20 dB. Attenuation below the general limits specified in §15.209(a) is not required. Test Procedure Connect the transmitter output to spectrum analyzer using a low loss RF cable, and set the spectrum analyzer to RBW=100 kHz, VBW= 300 kHz, peak detector , and max hold. Measurements utilizing these setting are made of the in-band reference level, band edge and out-of-band emissions. Test Configuration EUT SPECTRUM ANALYZER Test Results Remark: The measurement frequency range is from 30MHz to the 10th harmonic of the fundamental frequency. The lowest, middle and highest channels are tested to verify the spurious emissions and bandage measurement data. We measured all conditions (DH1, DH3, DH5) and recorded worst case at DH5 and 3DH5 Test plot as follows: C DL-Cert ert DL-Cert DL D L-Cert DL-Cert DL-Cer D L-Cert DL-Cert DL-Cert Cert D L-Cert DL-Cert DL-Cert DL-C DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert ert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert D DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Ce DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL- DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert ert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-C DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert ert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Ce L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert D DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-C L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert rt DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Ce DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-C L-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert rt DL-Cert DL-Cert DL-Cert D L-Cert DL-Ce DL-Cert DL-Cert DL-Cert D L-Cert DL Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert D L-C L-Cert DL-Cert rt DL-Cer DL Shenzhen DL Testing Technology Co., Ltd. Report No.: DLE-260717008R Test Report Tel: 400-688-3552 Web: www.dl-cert.com Email: [email protected] Page 36 of 49 GFSK CH00 CH39 C DL-Cert ert DL-Cert DL D L-Cert DL-Cert DL-Cer D L-Cert DL-Cert DL-Cert Cert D L-Cert DL-Cert DL-Cert DL-C DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert ert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert D DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Ce DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL- DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert ert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Ce…

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6.55 6.2 2.5 ∅ 2.0 16.4 10 ∅ 9.2 ∅ 5.5 2 . 5 ∅ 1 . 8 ∅ DESCRIPTION DATE REV A B D C E A B C D E F G 65432 1 NAME 1 2 3 4 5 6 DWG-056-01-J 零件名称 (PART NAME) 单位 (UNIT) 比例(SCALE) 版本 (REV) 幅面 (SIZE) 组立图 mm A3 A4 客户料号 (CUS NO.) (ORIGINAL DATE) 审核 CHK. 核准APPD. SMA-2.4G-178黑-L108 第1页，共1页 2026.03.5 第4版日期 Withstand voltage ： AC200V Characteristic impedance ：50 Ohm Rated voltage ： AC 60V Impedance of contact ：20- Ohm Impedance of insulation ：500 m-ohm Test conditions ： 3030-0004 频率范围（ FREQUENCY RANGE 2400-2500 MHz 增益 （ Gain) 2dBi 电压驻波比（VSWR） ＜2.0：1 极化 （ Polarzation ） Linear.Vertical 最大功率（ Mae power rating） 50 W 特性阻抗 （Ｌ mpedance） 50 OHM No. Name Description Q'ty Part No. 7 2 4 3 5 24 26 90° 110±2 100 6 4.5 12 20 9.4 10 4. The finished product shall be 100% test conduction OKThe finished product shall be 100% inspected.Adopt environmentally friendly manufacturing process.Finished product 3. 1. 2. Requirements ： 绝缘层 9.5 8.3 母针 RG1.78 黑色线 1 88±1 1.5 1.5 6.5 RG1.78 黑色线 1 1.0 26 公针 1.25 10.0 产品名称 (PRODUCT NAME) 产品 号 (PRODUCT NO.) 测试 TESTER. Shenzhen Tianxing Electronics Co., Ltd.Room 806, No. 24-2, Wugang Road, Xikeng Community, Yuanshan Street, Longgang District, Shenzhen data Frequency (MHZ） 2400 2450 2483 standing- wave ratio 1.34 1.55 1.68 Antenna SampleConfirmation From Antenna passive gain and efficiency Antenna SampleConfirmation From Antenna SampleConfirmation From

C DL-Cert ert DL-Cert DL D L-Cert DL-Cert DL-Cer D L-Cert DL-Cert DL-Cert Cert D L-Cert DL-Cert DL-Cert DL-C DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert ert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert D DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Ce DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL- DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert ert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-C DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert ert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Ce L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert D DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-C L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert rt DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Ce DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-C L-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert rt DL-Cert DL-Cert DL-Cert D L-Cert DL-Ce DL-Cert DL-Cert DL-Cert D L-Cert DL Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert D L-C L-Cert DL-Cert rt DL-Cer DL Shenzhen DL Testing Technology Co., Ltd. Report No.: DLE-260717008R T est Report Tel: 400-688-3552 Web: www.dl-cert.com Email: [email protected] Page 1 of 49 FCC Part 15C T est Report FCC ID: 2A6FX-PFA600BU Applicant: Soun d Around INC. Addre ss: 1600, 63rd Street, 1st Floor, Brooklyn, NY New York, 11219, United States Manufa cturer: Gu angzhou Huaqi Electronics Co., Ltd Addre ss: 101, No . 1, wenshengzhuang Xindong Road,Dongping village, Yongping street, Baiyun District, Guangzhou, Guangdong, China Produ ct Name: Amplifi er T rade Mark: PY LE Model Numb er: PF A600BU Date of Rec eipt: Jun 15 , 2026 T est Date: Jun 15 , 2026 ~ July 17, 2026 Date of Report: July 17, 2026 Prep ared By: Shenz hen DL Testing Technology Co., Ltd. Addre ss: 101-201, Comprehensive Building, Tongzhou Electronics Longgang Factory Area, No.1 Baolong Fifth Road, Baolong Community, Baolong Street, Longgang District, Shenzhen, China Applica ble Standards: 47 CF R FCC Part 15 Subpart C 15.247 T est Result: Pass Rep ort Number: DL E-260717008R Prepared by(Engineer): Ken Tan Reviewer(Supervisor): Jack Bu Approved(Manager): Jade Yang This test report is based on a single evaluation of one sample of above mentioned products. It is not permitted to be duplicated in extracts without written approval of Shenzhen DL Testing Technology Co., Ltd. C DL-Cert ert DL-Cert DL D L-Cert DL-Cert DL-Cer D L-Cert DL-Cert DL-Cert Cert D L-Cert DL-Cert DL-Cert DL-C DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert ert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert D DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Ce DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL- DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert ert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-C DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert ert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Ce L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert D DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-C L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert rt DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Ce DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-C L-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert rt DL-Cert DL-Cert DL-Cert D L-Cert DL-Ce DL-Cert DL-Cert DL-Cert D L-Cert DL Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert D L-C L-Cert DL-Cert rt DL-Cer DL Shenzhen DL Testing Technology Co., Ltd. Report No.: DLE-260717008R Test Report Tel: 400-688-3552 Web: www.dl-cert.com Email: [email protected] Page 2 of 49 Table of Contents Page 1. Summary ................................................................................................... 4 1.1 Test Standards ............................................................................................................ 4 1.2 Test Description .......................................................................................................... 4 1.3 Information of the Test Laboratory .............................................................................. 5 1.4 Statement of the Measurement Uncertainty ................................................................ 5 2. General Information ................................................................................. 6 2.1 Environmental Conditions ........................................................................................... 6 2.2 General Description of EUT ..............................................................…

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Test Model: PFA600BU Radiated Emission AC Conducted Emission RF Conducted Emission