2BVZS-TRC30DRDMegaphone

This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: -Reorient or relocate the receiving antenna. -Increase the separation between the equipment and receiver. -Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. -Consult the dealer or an experienced radio/TV technician for help. The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.

Rev 1/26/2023 SOUNDAROUND Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 5-18-2026 Ref: Attestation Statements Part 2.911(d)(5)(i) Filing FCC ID: 2BVZS-TRC30DRD SOUNDAROUND 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. SOUNDAROUND 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, (Applicant signature) (Applicant printed name) Tom Tang Rev 1/26/2023 SOUNDAROUND Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 5-18-2026 Ref: Attestation Statements Part 2.911(d)(5)(ii) Filing FCC ID: 2BVZS-TRC30DRD SOUNDAROUND 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, (Applicant signature) (Applicant printed name) Tom Tang

SOUNDAROUND 160063RDSTREETBROOKLYNNY11204 U.S.AgentLetterofAttestation To:FederalCommunicationsCommission 7435OaklandMillsRoad,Columbia,MD21046,USA Date:May.21,26 Ref:AttestationStatement–Part2.911(d)(7)filing FCCID:2BVZS-TRC30DRD SOUNDAROUND(“theapplicant”)certifiesthat,asofthedateofthefilingoftheapplication, [LOBOSIOWAINC](“theagent”)isourdesignatedU.S.agentforserviceofprocessfortheabove referenceFCCID.TheapplicantacceptstomaintainanagentforserviceofprocessintheUnited Statesfornolessthanoneyearaftereitherthegranteehaspermanentlyterminatedallmarketing andimportationoftheapplicableequipmentwithintheU.S.,ortheconclusionofanyCommission- relatedadministrativeorjudicialproceedinginvolvingtheequipment,whicheverislater.The applicantfurtheracknowledgesitisourresponsibilitytoinformtheFCCwhenevertheagent informationchanges. [LOBOSIOWAINC]("theagent)understanditistheagent'sobligationtoacceptserviceofprocess intheUnitedStatesformattersrelatedtotheapplicableequipment,andatthephysicalU.S. addressandemailaddress. DesignatedU.S.Agent CompanyName:LOBOSIOWAINC FRN:0036413961 Address:4623BittercreekDrColoradoSpringsco 80922Us Signature: ContactPerson:HarleyLi Tel: (818)818-0538 Email:[email protected] Applicant CompanyName:SOUNDAROUND FRN:0038398061 Address:160063RDSTREETBROOKLYNNY11204Signature: ContactPerson:TomTang Tel:9198026827Email:[email protected]

SOUNDAROUND Date：5-18-2026 Product Model Number: PMPVBTRC30DRD, PMP55BTBK, PMP55BTBL, PMP55BTRD,PMPVBTRC20BK,PMPVBTRC20BL,PMPVBTRC20DRD,PMP VBTRC20GR, PMPVBTRC20LPK,PMPVBTRC20LPR, PMPVBTRC20LTL,PMPVBTRC20PK, PMPVBTRC20RD,PMPVBTRC30BK, PMPVBTRC30BL,PMPVBTRC30GR, PMPVBTRC30LPK,PMPVBTRC30LPR, PMPVBTRC30LTL,PMPVBTRC30PK, PMPVBTRC30RD,PMP64VC, PMP74VC, PMP68RBIN, PMP42BT, PMP52BT, PMP39VC, PMPVBTRC50, PMPVBTRC75, PMPVBTRC100, PP18VC，PMP39VC FCC ID：2BVZS-TRC30DRD To whom it may concern, Re: Product Certification Representative Authorization Letter We authorize QAI Laboratories Ltd. 3980 North Fraser Way, Burnaby B.C. Canada V5J 5K5 to act on our behalf on all matters concerning the above named equipment. This shall include the following: • Testing • Approval applications and procedures We declare that QAI Laboratories Ltd. is allowed to forward all information related to the approval project to the applied certification body and to the notification entities and to discuss any issues concerning the approval application. Any and all acts carried out by QAI Laboratories Ltd. on our behalf shall have the same effect as acts of our own. By: Contact Listed on FCC Wesbite Title: Manager Email: [email protected] Telephone: 919 802 6827 On behalf of: SOUNDAROUND

SOUNDAROUND Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: May 26, 2026 Subject; Request for Confidentiality FCC ID: 2BVZS-TRC30DRD To Whom It May Concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Parts List Operational Description Tune-up Procedure Software Security Requirements for UNII devices In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR §2.803 and the importation rules in Title 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s); External Photos Test Setup Photos Internal Photos User Manual For 45 days, pursuant to Public Notice DA 04-1705. OR For 180 days pursuant to KDB 726920 D01. It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Name: Tom Tang Title: Manager

SOUNDAROUND ProductSimilarityDeclaration EUTDescription:Megaphone ModelNo.:PMPVBTRC30DRD SeriesModel:PMP55BTBK,PMP55BTBL,PMP55BTRD, PMPVBTRC20BK,PMPVBTRC20BL, PMPVBTRC20DRD,PMPVBTRC20GR, PMPVBTRC20LPK,PMPVBTRC20LPR, PMPVBTRC20LTL,PMPVBTRC20PK, PMPVBTRC20RD,PMPVBTRC30BK, PMPVBTRC30BL,PMPVBTRC30GR, PMPVBTRC30LPK,PMPVBTRC30LPR, PMPVBTRC30LTL,PMPVBTRC30PK, PMPVBTRC30RD,PMP64VC,PMP74VC,PMP68RBIN, PMP42BT,PMP52BT,PMP39VC,PMPVBTRC50, PMPVBTRC75,PMPVBTRC100,PP18VC，PMP39VC We(SOUNDAROUND)herebystatethatallthemodelsare electricalidenticalincludingthesamesoftwareparameterand hardwaredesign(i.e.,circuitdesign,PCBLayout,RF module/circuit,antennatype(s)andantennalocation,components onPCB,etc.,),samemechanicalstructureanddesign(including productenclosure,materials,etc.,),theonlydifferenceisthe modelnameandcolour. Signature: Name:TomTang Title:Manager Place,date:May.18,2026

Page1of4 ReportNo.:FCS202603308 Externalphotos Photo1 Photo2 Page2of4 ReportNo.:FCS202603308 Photo3 Photo4 Page3of4 ReportNo.:FCS202603308 Photo5 Photo6 Page4of4 ReportNo.:FCS202603308 Photo7

LabelandLabelLocation FCCID:2BVZS-TRC30DRD Thisdevicecomplieswithpart15oftheFCCRules.Operationis subjecttothefollowingtwoconditions: (1)Thisdevicemaynotcauseharmfulinterference,and (2)thisdevicemustacceptanyinterferencereceived,including interferencethatmaycauseundesiredoperation. L*W:3cm*2cm labelandWhitefont

Page1of3 ReportNo.:FCS202603308 Internalphotos Photo1 Photo2 Page2of3 ReportNo.:FCS202603308 Photo3 ANT Photo4 Page3of3 ReportNo.:FCS202603308 Photo5

Page1of3ReportNo.:FCS202603308 FluxComplianceServiceLaboratory Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.FCS-lab.com FCCRFExposure EUTDescription:Megaphone ModelNo.:PMPVBTRC30DRD FCCID:2BVZS-TRC30DRD Equipmenttype:portabledevice AccordingtoKDB447498D01GeneralRFExposureGuidancev06andpart2.1093,Unlessspecifically requiredbythepublishedRFexposureKDBprocedures,standalone1-gheadorbodyand10-gextremity SARevaluationforgeneralpopulationexposureconditions,bymeasurementornumenicasimulation,is notrequiredwhenthecorrespondingSARTestExclusionThresholocondition(s),listedbelow,is(are) satisfied. For100MHzto6GHzandtestseparationdistances<50mm,the1-gand10-gSARtestexclusion thresholdsaredeterminedbythefollowing: f(GHz)istheRFcharneltransmitfrequencyinGHzTheresultisroundedtoonedecimalplacefor comparison [(max.powerofchannel,includingtune-upfolerance,mW)/(mintestseparation distancemm)](viGHz)]<3.0for1-gSAR,ands7.5for10-gextremitySAR,where PoweranddistanceareroundedtothenearestmWandmmbeforecalculation LimitsforMaximumPermissibleExposure(MPE) BLE Frequency(MHz) Output power （ dBm ） Max tune-up(mW) Min. Distance (mm) Resultlimit 2402-7.880.162950.05053.0 2440-8.570.139050.04343.0 2480-8.440.143250.04513.0 BT：Conclusion:themaxresult0.0505:≤3.0compliancewithFCC'sRFExposure

FCCTestReport ReportNo:FCS202603308W02 Issuedfor Applicant: SOUNDAROUND Address: 160063RDSTREETBROOKLYNNY11204 ProductName: Megaphone BrandName: PYLE ModelName: PMPVBTRC30DRD SeriesModel: PMP55BTBK,PMP55BTBL,PMP55BTRD, PMPVBTRC20BK,PMPVBTRC20BL,PMPVBTRC20DRD,PMPVBTRC20GR, PMPVBTRC20LPK,PMPVBTRC20LPR,PMPVBTRC20LTL,PMPVBTRC20PK, PMPVBTRC20RD,PMPVBTRC30BK,PMPVBTRC30BL,PMPVBTRC30GR, PMPVBTRC30LPK,PMPVBTRC30LPR,PMPVBTRC30LTL,PMPVBTRC30PK, PMPVBTRC30RD,PMP64VC,PMP74VC,PMP68RBIN,PMP42BT,PMP52BT, PMP39VC,PMPVBTRC50,PMPVBTRC75,PMPVBTRC100,PP18VC ， PMP39VC FCCID: 2BVZS-TRC30DRD IssuedBy:FluxComplianceServiceLaboratory Add:Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial,Songshan lakeDongguan Tel:769-27280901Fax:769-27280901http://www.FCS-lab.com Page 2 of45ReportNo.:FCS202603308W02 FluxComplianceServiceLaboratory Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.fcs-lab.com TESTRESULTCERTIFICATION Applicant’sName ...................... :SOUNDAROUND Address......................................:160063RDSTREETBROOKLYNNY11204 Manufacture'sName................:HANGZHOUXINNIUIMP.ANDEXP.CO.,LTD. Address......................................: D-705VANTONECENTER,GONGSHU DISTRICT,HANGZHOU,ZHEJIANG,CHINA ProductDescription ProductName...........................:Megaphone BrandName...............................:PYLE ModelName..............................:PMPVBTRC30DRD SeriesModel .............................. :Seethefirstpageofthereport TestStandards .......................... :FCCRulesandRegulationsPart15SubpartC,Section247 TestProcedure .......................... :ANSIC63.10:2020 ThisdevicedescribedabovehasbeentestedbyFluxComplianceServiceLaboratory,thetestresults showthattheequipmentundertest(EUT)isincompliancewiththeFCCrequirements.Anditis applicableonlytothetestedsampleidentifiedinthereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofFluxCompliance ServiceLaboratory,thisdocumentmaybealteredorrevisedbyFluxComplianceServiceLaboratory, personalonly,andshallbenotedintherevisionofthedocument. DateofTest..................................: Date(s)ofperformanceoftests.:Mar.262026~May.222026 DateofIssue.................................:May.222026 TestResult.....................................:Pass Testedby: (orangeOuYang) Reviewedby : (JojoWu) Approvedby: (JackWang) Page 3 of45ReportNo.:FCS202603308W02 FluxComplianceServiceLaboratory Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.fcs-lab.com TableofContentsPage 1.SUMMARYOFTESTRESULTS..............................................................................................6 1.1TESTFACTORY................................................................................................................7 1.2MEASUREMENTUNCERTAINTY.....................................................................................7 2.GENERALINFORMATION.......................................................................................................8 2.1GENERALDESCRIPTIONOFTHEEUT..........................................................................8 2.2BLOCKDIGRAMSHOWINGTHECONFIGURATIONOFSYSTEMTESTED.............10 2.3DESCRIPTIONOFNECESSARYACCESSORIESANDSUPPORTUNITS.................11 2.4EQUIPMENTSLIST.........................................................................................................12 3.20DBBANDWIDTH...............................................................................................................13 3.1Limit..................................................................................................................................13 3.2TestProcedure.................................................................................................................13 3.3Testsetup.........................................................................................................................13 3.4Testresults.......................................................................................................................13 3.5OriginalTestData.............................................................................................................14 4.CONDUCTEDOUTPUTPOWER...........................................................................................17 4.1LIMIT................................................................................................................................17 4.2TESTSETUP...................................................................................................................17 4.3TESTRESULTS...............................................................................................................17 5NUMBEROFHOPPINGCHANNEL.......................................................................................18 5.1LIMIT................................................................................................................................18 5.2TESTPROCEDURE........................................................................................................18 5.3TESTSETUP...................................................................................................................18 5.4EUTOPERATIONCONDITIONS....................................................................................18 5.5TESTRESULTS...............................................................................................................19 6.BANDEDGEANDSPURIOUS(CONDUCTED)....................................................................20 6.1LIMIT................................................................................................................................20 6.2TESTPROCEDURE........................................................................................................20 6.3TESTSETUP............................................…

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Inverted F Antenna Specification Summary ITEM ANT SPEC Model Name 2.4G ANT Center Frequency Horizontal Vertical 2400MHz 2400MHz 2500MHz 2400MHz 2400MHz 2500MHz -1.26 -0.76 -0.58 -5.25 -2.46 -1.86 MAX. Gain -0.58dBi Polarization Horizontal and Vertical Azimuth Beam Pattern Omni-directional Impedance 50 Ohm Antenna Length 15.20mm Manufacture ZHUHAI JIELI TECHNOLOGY CO.,LTD No. 333, Kexing Road, Xiangzhou District, Zhuhai City, Guangdong Province, China Antenna Photo & Length (mm) Horizontal: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -40 Scale: 5/div Frequency (MHz) Gain(dBi) Max Min Avg 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 Frequency (MHz) Gain(dB) Max Min Avg 2400 -5.2537 -22.1424 -12.4294 2450 -2.4652 -24.5837 -10.4702 2500 -1.86120 -29.5214 -9.20432 Antenna TypePCB Antenna ANTTestLabs：AttestationofGlobalCompliance Co.,Ltd.

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