Y4O-NK54Ultra-Portable 2-Deck DJ Controller w/ Stem Control

Rev 1/26/2023 [Insert applicant name] [Applicant printed name] Hill Lien inMusic Brands Inc. Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date:11-20-2025 Ref: Attestation Statements Part 2.911(d)(7) Filing FCC ID or Grantee Code: [Y4O-NK54] (““ INMUSIC BRANDS INC””) certifies that, as of the date of the filing of the application, we designate ourselves as the U.S. agent for service of process. Designated U.S. Agent Information: FRN: 0022102461 Name: INMUSIC BRANDS INC. Address: 200 SCENIC VIEW DRIVE, SUITE 201, CUMBERLAND. Rhode Island, United States,02864 Contact Person: Hill Lien Tel.: +866-2-2717-2389Ext.66 Email: [email protected] Sincerely, [Applicant signature]

inMusic Brands Inc. Declaration on model difference We the undersigned hereby confirm that these models are identical, and all models have the same RF module and antenna, PCB layout, schematics and component. Only the models name are different. Production name Trademark Model no. Ultra-Portable 2-Deck DJ Controller w/ Stem Control Numark NK54, MIXTRACK GO, MixTrack GO, NKxxxxxxxxxxxx, MIXTRACKxxxxxxxxxxxx, MixTrackxxxxxxxxxxxx (x can be "0-9", "a -z", "A-Z," blank, "-", "+" or any character, symbol, alphanumeric) Sincerely, Hill Lien Director of Compliance INMUSIC BRANDS INC 200 Scenic View Drive, Cumberland, RI 02864 U.S.A

inMusic Brands Inc. (11.20.2025) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(i) request for (FCC ID:Y4O-NK54) [inMusic Brands Inc.] (“the applicant”) 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. We also certify that, as of the date of the filing of the application, the equipment does not utilize cyber-security or anti-virus software from Kaspersky Lab, Inc, or any of its successors and assignees, which is also on the “covered list”. Sincerely, (Applicant signature) (Applicant printed name)Hill Lien inMusic Brands Inc. (11.20.2025) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(ii) request for (FCC ID:Y4O-NK54) [inMusic Brands Inc.] (“the applicant”) certifies 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. Sincerely, (Applicant signature) (Applicant printed name) Hill Lien

inMusic Brands Inc. Federal Communications Commission Authorization and Evaluation Division Confidentiality Request regarding application for certification of FCC ID: (Y4O-NK54). 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 Block Diagram, Schematics Operational Description, Parts List PCB Layout 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 for a period of 180 days: Exhibit Type User manual internal photo external photo Test setup photo Sincerely, (signature) (printed name)Hill Lien Rev 11/20/07

\\192.168.1.140\Safety-NEW\Brands\Numark\NK54_MixTrack Go\NK54\FCC\POA_Letter.docx inMusic Brands Inc. Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Date: 11-20-2025 SUBJECT: FCC Application for (Y4O-NK54) To Whom It May Concern: We, the undersigned, hereby authorize __Joe Yan____ at _ Sushi TOWE Wireless Testing(Shenzhen)Co.,Ltd.__________________ on our behalf, to apply to the Federal Communications Commission on our equipment. Any and all acts carried out by ___Joe Yan____ 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. Regards, (Print Name) Hill Lien

Backoftheproduct Labelposition

Sushi TOWE Wireless Testing (Shenzhen) Co., Ltd. Report No.: TCEA25030021802 Sushi TOWE Wireless Testing(Shenzhen) Co., Ltd. Email: [email protected] Tel.: +86-755-27212361 TOWE-QP-15-F05 Rev.1.1 All rights reserved. Unless otherwise specified, no part of this report may be reproduced or utilized in any part, form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from TOWE. TEST REPORT Applicant: inMusic Brands Inc. EUT Description: Ultra-Portable 2-Deck DJ Controller w/ Stem Control Model Tested: NK54 Model Covered: NK54, MIXTRACK GO, MixTrack GO, NKxxxxxxxxxxxx, MIXTRACKxxxxxxxxxxxx, MixTrackxxxxxxxxxxxx (x can be "0-9", "a-z", "A-Z," blank, "-", "+" or any character, symbol, alphanumeric) Brand: Numark FCC ID: Y4O-NK54 Standards: FCC 47 CFR Part 2.1091 Date of Receipt: 2025/03/31 Date of Issue: 2025/10/17 TOWE. tested the above equipment in accordance with the requirements set forth in the above standards. The test results show that the equipment tested is capable of demonstrating compliance with the requirements as documented in this report. the results documented in this report apply only to the tested sample, under the conditions and modes of operation as described herein. It is the manufacturer's responsibility to assure that additional production units of the model are manufactured with identical electrical and mechanical components. All sample tested were in good operating condition throughout the entire test program. Measurement Uncertainties are published for informational purposes only and were not taken into account unless noted otherwise. without written approval of TOWE, the test report shall not be reproduced except in full. Jim Huang Approved By: Carey Chen Reviewed By: Page 2 / 8 Report No.: TCEA25030021802 Sushi TOWE Wireless Testing(Shenzhen) Co., Ltd. Email: [email protected] Tel.: +86-755-27212361 TOWE-QP-15-F05 Rev.1.1 All rights reserved. Unless otherwise specified, no part of this report may be reproduced or utilized in any part, form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from TOWE. Revision History Rev. Issue Date Description Revised by 01 2025/10/17 Original Carey Chen Page 3 / 8 Report No.: TCEA25030021802 Sushi TOWE Wireless Testing(Shenzhen) Co., Ltd. Email: [email protected] Tel.: +86-755-27212361 TOWE-QP-15-F05 Rev.1.1 All rights reserved. Unless otherwise specified, no part of this report may be reproduced or utilized in any part, form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from TOWE. Table of Contents 1 General Description .............................................................................................................................. 4 1.1 Lab Information ...................................................................................................................... 4 1.1.1 Testing Location ................................................................................................................ 4 1.1.2 Test Facility / Accreditations ............................................................................................. 4 1.2 Client Information ................................................................................................................... 4 1.2.1 Applicant ............................................................................................................................ 4 1.2.2 Manufacturer ..................................................................................................................... 4 1.3 Product Information ............................................................................................................... 5 2 Maximum Permissible RF Exposure ................................................................................................... 6 2.1 RF Exposure Limit Introduction ........................................................................................... 6 2.2 Equations ................................................................................................................................ 7 3 RF Exposure Results ............................................................................................................................ 8 3.1 Standalone Exposure Calculations ...................................................................................... 8 Page 4 / 8 Report No.: TCEA25030021802 Sushi TOWE Wireless Testing(Shenzhen) Co., Ltd. Email: [email protected] Tel.: +86-755-27212361 TOWE-QP-15-F05 Rev.1.1 All rights reserved. Unless otherwise specified, no part of this report may be reproduced or utilized in any part, form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from TOWE. 1 General Description 1.1 Lab Information 1.1.1 Testing Location These measurements tests were conducted at the Sushi TOWE Wireless Testing(Shenzhen) Co., Ltd. facility located at F401 and F101, Building E, Hongwei Industrial Zone, Liuxian 3rd Road, Bao'an District, Shenzhen, China. The measurement facility is compliant with the test site requirements specified in ANSI C63.4-2014 Tel.: +86-755-27212361 Contact Email: [email protected] 1.1.2 Test Facility / Accreditations A2LA (Certificate Number: 7088.01) This laboratory is accredited in accordance with the recognized International Standard ISO/IEC 17025:2017 General requirements for the competence of testing and calibration laboratories. This accreditation demonstrates technical competence for a defined scope and the operation of a laboratory quality management system (refer to joint ISO-ILAC-IAF Communiqué dated April 2017). FCC Designation No.: CN1353 Sushi TOWE Wireless Testing(Shenzhen) Co., Ltd. has been recognized as an accredited testing laboratory. Designation Number: CN1353. ISED CAB identifier: CN0152 Sushi T…

Text truncated - open the document above for the full version.

S H E N Z H E NF E I M I NT E C H N O L O G YCO., L T D. Professional Antenna Supplier DM51BT Xu Gongfu 2025-9- Chen Zexiong 18 Antenna test report SHENZHEN FEIMIN TECHNOLOGY CO.,LTD. TEL:0755-23035723 Mail:[email protected] URL:www.fmant.cn Antenna Model Tested By Reviewed By Date Project Model Test equipment and test environment SHENZHEN FEIMIN TECHNOLOGY CO.,LTD. TEL:0755-23035723 Mail:[email protected] URL:www.fmant.cn Test equipment        0.4GHz6GHz SHENZHEN FEIMIN TECHNOLOGY CO.,LTD. TEL:0755-23035723 Mail:[email protected] URL:www.fmant.cn Main Test Indicators Passive Indicators Gain Efficiency 3D Radiation Pattern Active Indicators TRP (Total Radiated Power) TIS (Total Isotropic Sensitivity) Probe Microwave Anechoic Chamber freq: - Test equipment Agilent E5071C 300 kHz8.5GHz R&S CMW500 GSM/3G/4G WIFI/ Bluetooth NB-IoT SHENZHEN FEIMIN TECHNOLOGY CO.,LTD. TEL:0755-23035723 Mail:[email protected] URL:www.fmant.cn Vector Network Analyzer Wideband Radio Communication Tester - freq: Passive antenna data SHENZHEN FEIMIN TECHNOLOGY CO.,LTD. TEL:0755-23035723 Mail:[email protected] URL:www.fmant.cn On-board Antenna - Feimin Tuned MatchingOn-board Antenna - Original Matching Antenna SWR SHENZHEN FEIMIN TECHNOLOGY CO.,LTD. TEL:0755-23035723 Mail:[email protected] URL:www.fmant.cn Antenna Return loss On-board Antenna - Original Matching Antenna gain and efficiency SHENZHEN FEIMIN TECHNOLOGY CO.,LTD. TEL:0755-23035723 Mail:[email protected] URL:www.fmant.cn Freq(MHz) Efficiency (％) Gian(dBi) 2400 4.68 -10.36 2410 4.72 -9.94 2420 4.72 -9.84 2430 4.76 -9.66 2440 4.84 -9.20 2450 4.96 -8.63 2460 5.04 -8.37 2470 5.02 -8.41 2480 5.02 -8.40 2490 5.10 -7.89 2500 5.25 -7.03 On-board Antenna - Original Matching 插入图片1插入图片2 插入图片3插入图片4 Antenna Radiation Pattern SHENZHEN FEIMIN TECHNOLOGY CO.,LTD. TEL:0755-23035723 Mail:[email protected] URL:www.fmant.cn On-board Antenna - Original Matching SHENZHEN FEIMIN TECHNOLOGY CO.,LTD. TEL:0755-23035723 Mail:[email protected] URL:www.fmant.cn NC NC ANT IC GNDGND On-board Antenna - Original Matching Antenna Matching Parameters no change Antenna SWR SHENZHEN FEIMIN TECHNOLOGY CO.,LTD. TEL:0755-23035723 Mail:[email protected] URL:www.fmant.cn Antenna Return loss On-board Antenna - Feimin Tuned Matching Antenna gain and efficiency SHENZHEN FEIMIN TECHNOLOGY CO.,LTD. TEL:0755-23035723 Mail:[email protected] URL:www.fmant.cn Freq(MHz) Efficiency (％) Gian(dBi) 2400 10.84 -5.56 2410 11.48 -4.81 2420 12.23 -4.16 2430 13.08 -3.63 2440 13.64 -3.45 2450 13.98 -3.46 2460 14.61 -3.24 2470 13.77 -4.13 2480 12.88 -4.00 2490 12.80 -3.94 2500 11.72 -4.68 On-board Antenna - Feimin Tuned Matching 插入图片1插入图片2 插入图片3插入图片4 Antenna Radiation Pattern SHENZHEN FEIMIN TECHNOLOGY CO.,LTD. TEL:0755-23035723 Mail:[email protected] URL:www.fmant.cn On-board Antenna - Feimin Tuned Matching SHENZHEN FEIMIN TECHNOLOGY CO.,LTD. TEL:0755-23035723 Mail:[email protected] URL:www.fmant.cn 3.9NH 1.6NH 1.2PF ANT IC GNDGND On-board Antenna - Feimin Tuned Matching Antenna Matching Parameters Thanks for your support！ TEL:(86)755-23035723. FAX:0755-23036702 E-mail:[email protected] Room 801, 8th Floor,KeyunndaE-commerce Base,No. 4 ShenghuiRoad, GuxingCommunity,XixiangStreet,Bao‘an,District,Shenzhen

SushiTOWEWirelessTesting(Shenzhen)Co.,Ltd. ReportNo.:TCEA25030021801 SushiTOWEWirelessTesting(Shenzhen)Co.,Ltd. Email:[email protected] Tel.:+86-755-27212361TOWE-QP-15-F05Rev.1.1 Allrightsreserved.Unlessotherwisespecified,nopartofthisreportmaybereproducedorutilizedinanypart,formorbyanymeans,electronicor mechanical,includingphotocopyingandmicrofilm,withoutpermissioninwritingfromTOWE. TESTREPORT Applicant:inMusicBrandsInc. EUTDescription:Ultra-Portable2-DeckDJControllerw/StemControl ModelTested:NK54 ModelCovered:NK54,MIXTRACKGO,MixTrackGO,NKxxxxxxxxxxxx, MIXTRACKxxxxxxxxxxxx,MixTrackxxxxxxxxxxxx(xcanbe"0-9","a-z", "A-Z,"blank,"-","+"oranycharacter,symbol,alphanumeric) Brand:Numark FCCID:Y4O-NK54 Standards:FCC47CFRPart15SubpartC DateofReceipt:2025/03/31 DateofTest:2025/05/07to2025/10/17 DateofIssue:2025/10/17 TOWE.testedtheaboveequipmentinaccordancewiththerequirementssetforthinthe abovestandards.Thetestresultsshowthattheequipmenttestediscapableof demonstratingcompliancewiththerequirementsasdocumentedinthisreport. theresultsdocumentedinthisreportapplyonlytothetestedsample,undertheconditions andmodesofoperationasdescribedherein.Itisthemanufacturer'sresponsibilitytoassure thatadditionalproductionunitsofthemodelaremanufacturedwithidenticalelectricaland mechanicalcomponents.Allsampletestedwereingoodoperatingconditionthroughoutthe entiretestprogram.MeasurementUncertaintiesarepublishedforinformationalpurposes onlyandwerenottakenintoaccountunlessnotedotherwise.withoutwrittenapprovalof TOWE,thetestreportshallnotbereproducedexceptinfull. JimHuang ApprovedBy: CareyChen ReviewedBy: Page 2 / 51 ReportNo.:TCEA25030021801 SushiTOWEWirelessTesting(Shenzhen)Co.,Ltd. Email:[email protected] Tel.:+86-755-27212361TOWE-QP-15-F05Rev.1.1 Allrightsreserved.Unlessotherwisespecified,nopartofthisreportmaybereproducedorutilizedinanypart,formorbyanymeans,electronicor mechanical,includingphotocopyingandmicrofilm,withoutpermissioninwritingfromTOWE. RevisionHistory Rev.IssueDateDescriptionRevisedby 012025/10/17OriginalCareyChen Page 3 / 51 ReportNo.:TCEA25030021801 SushiTOWEWirelessTesting(Shenzhen)Co.,Ltd. Email:[email protected] Tel.:+86-755-27212361TOWE-QP-15-F05Rev.1.1 Allrightsreserved.Unlessotherwisespecified,nopartofthisreportmaybereproducedorutilizedinanypart,formorbyanymeans,electronicor mechanical,includingphotocopyingandmicrofilm,withoutpermissioninwritingfromTOWE. SummaryofTestResults ClauseFCCPartTestItemsResult 4.1 §15.203/15.247(b) AntennaRequirementPASS 4.2 §15.207 ACPowerLineConductedEmissionPASS 4.3 §15.247(b)(3) OutputPowerPASS 4.4 §15.247(a)(2) OccupiedBandwidth Reporting purposesonly 4.5 §15.247(e) PowerSpectralDensityPASS 4.6 §15.247(d) BandEdgeforConductedEmissionsPASS 4.7 §15.247(d) SpuriousRFConductedEmissionsPASS 4.8 §15.205 §15.209 RadiatedSpuriousemissionsandBandEdgePASS TestMethod:ANSIC63.10:2020,KDB558074D0115.247MesaGuidancev05r02. Remark:PassisEUTmeetsstandardrequirements. Page 4 / 51 ReportNo.:TCEA25030021801 SushiTOWEWirelessTesting(Shenzhen)Co.,Ltd. Email:[email protected] Tel.:+86-755-27212361TOWE-QP-15-F05Rev.1.1 Allrightsreserved.Unlessotherwisespecified,nopartofthisreportmaybereproducedorutilizedinanypart,formorbyanymeans,electronicor mechanical,includingphotocopyingandmicrofilm,withoutpermissioninwritingfromTOWE. TableofContents 1GeneralDescription...............................................................................................................................5 1.1LabInformation........................................................................................................................5 1.1.1TestingLocation.................................................................................................................5 1.1.2TestFacility/Accreditations...............................................................................................5 1.2ClientInformation....................................................................................................................5 1.2.1Applicant.............................................................................................................................5 1.2.2Manufacturer.......................................................................................................................5 1.3ProductInformation.................................................................................................................6 2TestConfiguration..................................................................................................................................7 2.1TestChannel.............................................................................................................................7 2.2Worst-caseconfigurationandMode.....................................................................................8 2.3SupportUnitusedintest........................................................................................................8 2.4TestEnvironment.....................................................................................................................8 2.5TestRFCable...........................................................................................................................8 2.6Modifications............................................................................................................................8 2.7TestSetupDiagram.................................................................................................................9 2.7.1ConductedConfiguration....................................................................................................9 2.7.2RadiatedConfiguration.....................................................................................................10 3EquipmentandMeasurementUncertainty........................................................................................11 3.1TestEquipmentList........................................................................................…

Text truncated - open the document above for the full version.