2A5UW-PPHP38AMX8 Inch Portable Combo PA System

(Sound Around Inc.) Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 04-23-2026 Ref: Attestation Statements Part 2.911(d)(5)(i) Filing FCC ID: 2A5UW-PPHP38AMX Sound Around Inc. certifies 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. Sound Around Inc. certifies that the equipment for which authorization is sought does not include cybersecurity or anti-virus software produced or provided by Kaspersky Lab, Inc. or any of its successors and assignees, including equipment with integrated Kaspersky Lab, Inc. (or any of its successors and assignees) cybersecurity or anti-virus software pursuant to DA-24-886 and KDB 986446 D01 Covered Equipment Guidance section B(2a). Device is inherently compliant based on hardware limitations or software controls. or A Software Bill of Materials (SBOM) is provided to the TCB for review, and The end-user or third parties cannot install additional software on this device. Sincerely, Vereminh Brach / Vice president Sound Around Inc. (Sound Around Inc.) Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 04-23-2026 Ref: Attestation Statements Part 2.911(d)(5)(ii) Filing FCC ID: 2A5UW-PPHP38AMX Sound Around Inc. certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List (as a specifically named entity or any of its subsidiaries or affiliates) as an entity producing “covered” equipment. Sincerely, Vereminh Brach / Vice president Sound Around Inc.

Sound Around Inc. U.S. Agent Designation for Service of Process - Certification Attestation Letter 23/04/2026 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Ref: Attestation Statements Part 2.911(d)(7) Filing FCC ID: 2A5UW-PPHP38AMX Applicant FRN: 0032138638 [ Sound Around Inc. ] certifies that, as of the date of the filing of the application, [Sound Around Inc.] is our designated U.S. agent for service of process for the above referenced FCC ID. [Sound Around Inc.] accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. [Sound Around Inc.] accepts, as of the date of the filing of the application, the obligation of the designated U.S. agent for service of process for the above referenced FCC ID. Designated U.S. Agent Information: Company Name: Sound Around Inc. FCC Registration Number (FRN): 0032138638 Physical U.S. Company Address: 1600, 63 RD STREET BROOKLYN N.Y.,11204 U.S.A. Contact Person: Vereminh Brach phone: 718 236 8000 Agent Email Address: [email protected] Sincerely, Company: Sound Around Inc. Designated Agent: Sound Around Inc. Company Representative: Vereminh Brach Designated Agent Representative: Vereminh Brach Title: Vice president Signature: Title: Vice president Signature:

(Sound Around Inc.) Federal Communications Commission Authorization and Evaluation Division Confidentiality Request regarding application for certification of FCC ID: 2A5UW-PPHP38AMX Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby request confidential treatment of information accompanying this application as outlined below: Exhibit Type File Name Block diagram, Schematic, Operational Description Block diagram.pdf, Schematic.pdf , Operational Description.pdf The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. The applicant understands that pursuant to Section 0.457 of the Rules, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Pursuant to DA04-1705 June 15, 2004 of the Commission’s public notice, we also request temporary confidential treatment of information accompanying this application as outlined below: Short-term confidentiality requested: 180 days Exhibit Type File Name Internal photos, Test setup photos, User Manual Internal photos.pdf, Test setup photos.pdf, User Manual.pdf Sincerely, Vereminh Brach / Vice president 2026.04.23 Sound Around Inc.

(Sound Around Inc.) FCC ID: 2A5UW-PPHP38AMX Difference declaration Model list: PPHP38AMX, JP308ST The only difference between these two models lies in their external names. Among them, PPHP38AMX is the product name used by the applicant's customers for external use, while JP308ST is the product name used by the applicant for external use. Apart from the names, all other schematics and PCB layouts are the same. Therefore, we chose PPHP38AMX for the test. Date：2026.04.23 Signture: Vereminh Brach

(Sound Around Inc.) Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Date: April 22, 2026 SUBJECT: FCC Application for FCC ID: 2A5UW-PPHP38AMX To Whom It May Concern: We, the undersigned, hereby authorize Tony Wei at EMTEK(NINGBO) CO., LTD. on our behalf, to apply to the Federal Communications Commission on our equipment. Any and all acts carried out by EMTEK(NINGBO) CO., LTD. on our behalf shall have the same effect as acts of our own. This is to advise that we are in full compliance with the Anti- Drug Abuse Act. We, the applicant, are not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Act of 1988, 21 USC853a, and no party to the application is subject to a denial of federal benefits pursuant to that section. Sincerely, Vereminh Brach / Vice president Sound Around Inc.

Product mainframe Speaker Supporting frame Signal wire

FCC ID: 2A5UW-PPHP38AMX RF EXPOSURE EVALUATION According to FCC 1.1310: The criteria listed in the following table shall be used to evaluate the environment impact of human exposure to radio frequency(RF) Radiation as specified in §1.1307(b) Limits for Maximum Permissible Exposure (MPE) Frequency Range(MHz) Electric Field Strength(V/m) Magnetic Field Strength(A/m) Power Density(mW/cm 2 ) Average Time (A) Limits for Occupational/Control Exposures 300-1500 -- -- F/300 6 1500-100000 -- -- 5 6 (B) Limits for General Population/Uncontrol Exposures 300-1500 -- -- F/1500 6 1500-100000 -- -- 1 30 11.1 Friis transmission formula: Pd= (Pout*G)\ (4*pi*R 2 ) Where Pd= Power density in mW/cm 2 Pout=output power to antenna in mW G= Numeric gain of the antenna relative to isotropic antenna Pi=3.1416 R= distance between observation point and center of the radiator in cm Pd the limit of MPE,1mW/cm 2 . If we know the maximum gain of the antenna and total power input to the antenna, through the calculation, we will know the distance where the MPE limit is reached. mW = 10^( dBm/10) 11.2 Measurement Result Antenna gain: 1.70 dBi; R=20cm BT Operation Frequency: 2402MHz-2480MHz; Channel Freq. (MHz) modulation Measured power (dBm) Tune-up power (dBm) Max tune-up power (dBm) Antenna Gain Numeric Evaluation result (mW/cm2) Power density Limits (mW/cm2 ) 2402 GFSK 1.14 1.00±1 2.00 1.48 0.000382586 1 2440 0.87 0.00±1 1.00 1.48 0.000359525 1 2480 -0.36 -1.00±1 0.00 1.48 0.000270850 1 2402 π/4-DQPSK 1.78 1.00±1 2.00 1.48 0.000443332 1 2440 1.50 1.00±1 2.00 1.48 0.000415651 1 2480 0.28 0.00±1 1.00 1.48 0.000313855 1 2402 8DPSK 2.25 2.00±1 3.00 1.48 0.000494002 1 2440 1.94 1.00±1 2.00 1.48 0.000459970 1 2480 0.66 0.00±1 1.00 1.48 0.000342554 1 *** End of Report ***

REPORTNo.：SZ24020211E01 page 1/15 TESTREPORT APPLICANT: JUMBOAUDIOELECTRONICSCO.,LTD PRODUCTNAME:Bluetoothspeakercontrolmodule MODELNAME:DSP1804SUB/DSP2408USB TRADENAME:JUMBOAUDIO BRANDNAME:N/A STANDARD(S):ANSI/IEEEStd149-2008 RECEIPTDATE:2024-05-28 TESTDATE:2024-05-28 ISSUEDATE:2024-06-02 REPORTNo.：SZ24020211E01 page 2/15 DIRECTORY 1.TechnicalInformation .............................................................................................................. 3 1.1.ApplicantandManufacturerInformation........................................................................3 1.2.EquipmentUnderTestEUTDescription 2.TestResults ................................................................................................................................. 4 2.1.AppliedReferenceDocuments.......................................................................................... 4 2.2.TestConditions ...................................................................................................................... 4 2.3.MeasurementUncertainty...................................................................................................4 2.4.TestResultslists...................................................................................................................5 AnnexAPhotographs .................................................................................................................. 7 AnnexBFigures............................................................................................................................8 1.2DRadiationPattern................................................................................................................ 8 2.3DRadiationPattern ................................................................................................................ 9 3.VSWR ......................................................................................................................................... 11 4.Impedance................................................................................................................................11 5.ReturnLoss..............................................................................................................................12 AnnexCPhotographs ................................................................................................................. 13 AnnexDGeneralInformation .................................................................................................. 15 1.1IdentificationoftheResponsibleTestingLaboratory ................................................ 15 1.2IdentificationoftheResponsibleTestingLocation .................................................... 15 1.3TestEquipmentsUtilized.....................................................................................................15 ChangeHistory VersionDateReasonforchange 1.02024-03-02Firstedition REPORTNo.：SZ24020211E01 page 3/15 1.TechnicalInformation Note:Providebymanufacturer. 1.1.ApplicantandManufacturerInformation Applicant: JUMBOAUDIOELECTRONICSCO.,LTD ApplicantAddress: NO.15YANGJIA,WANSHIXUVILLAGE,ZHUANGSHI STREET,ZHENHAIDISTRICT,NINGBO,CHINA Manufacturer: JUMBOAUDIOINTERNATIONAL(HK)CO.,LIMITED ManufacturerAddress: LAT/RM4134/FLUCKYCENTRE165-171WANCHAROADWANCHAIHK 1.2.EquipmentUnderTest(EUT)Description WirelessTypeBluetooth Frequency N/A IMEI N/A SampleNo. 1# REPORTNo.：SZ24020211E01 page 4/15 2.TestResults 2.1.AppliedReferenceDocuments Leadingreferencedocumentsfortesting: No.IdentityDocumentTitle 1 ANSI/IEEEStd149-2008 IEEEStandardTestProceduresforAntennas 2.2.TestConditions TestEnvironmentConditions： RelativeHumidity: 25...75% Temperature: +10°Cto+30°C 2.3.MeasurementUncertainty Theuncertaintyiscalculatedusingthemethodssuggestedinthe"GuidetotheExpressionof UncertaintyinMeasurement"(GUM)publishedbyISO.Whenthetestresultisacritical value,wewillusethemeasurementuncertaintygivethejudgmentresultbasedonthe95% Confidence intervals. Item MeasurementUncertainty(dB) Gain ±0.5 VSWR ±0.2 MeasurementUncertainty(95%ConfidenceInterval)K=2 REPORTNo.：SZ24020211E01 page 5/15 2.4.TestResultslists 2.4.1. GainandEfficiency Frequency Gain(dBi)Efficiency(%) 2400MHz1.7031.36 2410MHz1.6030.61 2420MHz1.3528.76 2430MHz1.0927.10 2440MHz0.8726.24 2450MHz0.5124.84 2460MHz0.2423.38 2470MHz-0.1921.25 2480MHz-0.5519.28 2490MHz-0.8417.60 2500MHz-1.0916.56 2.4.2.VSWRandImpedance Frequency VSWR Impedance (Ω) 2400MHz2.48120.01 2440MHz 1.14 56.52 2480MHz 2.22 33.14 REPORTNo.：SZ24020211E01 page 6/15 2.4.3.ReturnLoss Frequency ReturnLoss (dB) 2400MHz-7.40 2440MHz-23.49 2480MHz-8.42 REPORTNo.：SZ24020211E01 page 7/15 AnnexAPhotographs 1.TestSetup REPORTNo.：SZ24020211E01 page 8/15 AnnexBFigures 1.2DRadiationPattern REPORTNo.：SZ24020211E01 page 9/15 2.3DRadiationPattern REPORTNo.：SZ24020211E01 page 10/15 REPORTNo.：SZ24020211E01 page 11/15 3.VSWR 4. Impedance REPORTNo.：SZ24020211E01 page 12/15 5.ReturnLoss REPORT No.：SZ24020211E01 page 13 / 15 Annex CPhotographs 1. Test environment See the attached "Antenna Gain Test Photos" 2. EUT See the attached "Antenna appearance photo" REPORT No.：SZ24020211E01 page 14 / 15 3.Antenna size REPORTNo.：SZ24020211E01 page 15/15 AnnexDGeneralInformation 1.1IdentificationoftheResponsibleTestingLaboratory LaboratoryName:ShenzhenMorlabCommunicationsTechnologyCo.,Ltd. LaboratoryAddress:FL1-3,BuildingA,FeiYangSciencePark,No.8 LongChangRoad,Block67,BaoAnDistrict,ShenZhen, GuangDongProvince,P.R.China Telephone: +8675536698555 Facsimile: +8675536698525 1.2IdentificationoftheResponsibleTestingLocation Name: ShenzhenMorlabCommunicationsTechnologyCo.,Ltd. Address: FL1-3,BuildingA,FeiYangSciencePark,No.8 LongChangRoad,Block67,BaoAnDistrict,ShenZhen, GuangDongProvince,P.R.China 1.3TestEquipmentsUtilized No.Equipement Name SerialNo. Type Manufa cturer Cal.Date Cal.Due Date 1NetworkAnalyzer MY46110140E5071C Agilent 2023.07.262024.07.25 2 OTAChamber TJ2235-Q17 93 AMS-8923-1 50 ETS 2024.01.062025.01.05 3 Antenna Measurement…

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Report No. ENB2603040222W00201R Page 1 of 72 Ver.1.0 TEST REPORT Product Name : 8 Inch Portable Combo P A System Model Number : PPHP38AMX, JP308ST FCC ID : 2A5UW-PPHP38AMX Prepared for : Sound Around Inc. Address : 1600,63 RD STREET BROOKLYN N.Y.,11204 U.S.A. Prepared by : EMTEK (NINGBO) CO., LTD. Address : BNo. 8, Building 8, Lane 216, Qingyi Road, Ningbo High-Tech Zone, Ningbo, Zhejiang, China Tel: +86-574-27907998 Fax: +86-574-27721538 Report Number : ENB2603200292W00201R Date(s) of Tests : March 20, 2026 to April 22, 2026 Date of issue : April 22, 2026 $二维码$ Report No. ENB2603040222W00201R Page 2 of 72 Ver.1.0 Table of Contents 1 TEST RESULT CERTIFICATION ......................................................................................................................................... 3 2 EUT TECHNICAL DESCRIPTION ...................................................................................................................................... 5 3 SUMMARY OF TEST RESULT ............................................................................................................................................ 6 4 TEST METHODOLOGY ....................................................................................................................................................... 7 4.1 GENERAL DESCRIPTION OF APPLIED STANDARDS ............................................................................................. 7 4.2 MEASUREMENT EQUIPMENT USED ........................................................................................................................ 7 4.3 DESCRIPTION OF TEST MODES ................................................................................................................................ 9 5 FACILITIES AND ACCREDITATIONS ............................................................................................................................. 10 5.1 FACILITIES .................................................................................................................................................................. 10 5.2 EQUIPMENT ................................................................................................................................................................ 10 5.3 LABORATORY ACCREDITATIONS AND LISTINGS ............................................................................................... 10 6 TEST SYSTEM UNCERTAINTY ....................................................................................................................................... 11 7 SETUP OF EQUIPMENT UNDER TEST ........................................................................................................................... 12 7.1 RADIO FREQUENCY TEST SETUP 1 ........................................................................................................................ 12 7.2 RADIO FREQUENCY TEST SETUP 2 ........................................................................................................................ 12 7.3 CONDUCTED EMISSION TEST SETUP .................................................................................................................... 14 7.4 BLOCK DIAGRAM CONFIGURATION OF TEST SYSTEM ................................................................................... 15 7.5 SUPPORT EQUIPMENT .............................................................................................................................................. 15 8 FREQUENCY HOPPING SYSTEM REQUIREMENTS ................................................................................................... 16 8.1 Standard Applicable ...................................................................................................................................................... 16 8.2 EUT Pseudorandom Frequency Hopping Sequence ...................................................................................................... 16 8.3 Equal Hopping Frequency Use ...................................................................................................................................... 17 8.4 Frequency Hopping System .......................................................................................................................................... 17 9 TEST REQUIREMENTS ..................................................................................................................................................... 18 9.1 20DB&99%BANDWIDTH ........................................................................................................................................... 18 9.2 CARRIER FREQUENCY SEPARATION ..................................................................................................................... 27 9.3 NUMBER OF HOPPING FREQUENCIES .................................................................................................................. 29 9.4 AVERAGE TIME OF OCCUPANCY (DWELL TIME) ................................................................................................ 31 9.5 MAXIMUM PEAK CONDUCTED OUTPUT POWER ............................................................................................... 33 9.6 CONDUCTED SUPRIOUS EMISSION ....................................................................................................................... 37 9.7 RADIATED SPURIOUS EMISSION ........................................................................................................................... 52 9.8 CONDUCTED EMISSION TEST ................................................................................................................................. 65 9.9 ANTENNA APPLICATION .......................................................................................................................................... 72 Report No. ENB2603040222W00201R Page 3 of 72 Ver.1.0 1 TEST RESULT CERTIFICATION Applica nt …

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