2AOMX-E-B9Speaker

QFX Inc. 2957 E. 46th Street, Vernon, CA 90058 Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2026/07/23 U.S. Agent Designation QFX Inc. acknowledges their consent for the following contact located in the United States to act as their agent for service of process for the equipment for which authorization is sought (FCC ID: 2AOMX-E-B9): Name and company of U.S. agent: GLOCERTS TECHNOLOGY INC Physical U.S. address of agent: 19784 SUNKISSED RIDGE DR RIVERSIDE, CA 92507 United States FRN of U.S. agent: 0036339737 Phone of U.S. agent: (626) 588-8039 Email address of U.S. agent: [email protected] GLOCERTS TECHNOLOGY INC acknowledges their obligation to accept service of process on behalf of QFX Inc. with the FRN [0027094838] accepts its 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. By signing this form, we confirm the above and that we are aware of the application requirements listed under § 2.911(d)(7). The information provided in this letter is based on the referenced rule parts of Title 47 of the CFR as well as KDB 986446 D01. An expiration date for this letter does not exist. In case the U.S. agent changes, the grantee is obligated to notify the FCC within 30 days via the granting TCB. An expiration date for this letter does not exist. Sincerely, Signature Jack Liu Manager QFX Inc. Signature Huiying Fan Director GLOCERTS TECHNOLOGY INC 48_[mo del] US_Agent_2.911(d)(7) - U, V0 5

FCC ID: 2AOMX-E-B9 External Photos of the EUT FCC ID: 2AOMX-E-B9 FCC ID: 2AOMX-E-B9

Label and Location Size: L: 3.0cm*W: 2.0cm Label and Location FCC ID : 2AOMX-E-B9

FCC ID: 2AOMX-E-B9 Internal Photos of the EUT FCC ID: 2AOMX-E-B9 FCC ID: 2AOMX-E-B9 FM RX Antenna FCC ID: 2AOMX-E-B9 FCC ID: 2AOMX-E-B9 Antenna 2.4GRX Antenna FCC ID: 2AOMX-E-B9

Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn RF Exposure MPE Report Reference No. ..................... : FCC ID............................................. : CTA26060300402 2AOMX-E-B9 Compiled by ( position+printed name+signature) . : File administrators Zoey Cao Supervised by ( position+printed name+signature) . : Project Engineer Ace Chai Approved by ( position+printed name+signature) . : RF Manager Eric Wang Date of issue .................................... : Jun. 09, 2026 Testing Laboratory Name .............. : Shenzhen CTA Testing Technology Co., Ltd. Address............................................ : Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Applicant’s name ............................ : QFX Inc. Address............................................ : 2957 E. 46th Street, Vernon, CA 90058 Standard ........................................... : 47CFR §1.1310 47CFR §2.1091 KDB447498 D01 General RF Exposure Guidance v06 Shenzhen CTA Testing Technology Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purpses as long as the Shenzhen CTA Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen CTA Testing Technology Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Test item description ..................... : Speaker Trade Mark ....................................... : N/A Manufacturer .................................... : GUANGZHOU MINFU ELECTRONIC AUDIO CO.,LTD. Model/Type reference ...................... : E-B9 Listed Models ................................... : E-B3, E-B4, E-B5, E-B6, E-B7, E-B8, E-B10, E-B12, E-B15, TS-8, TS-10, TS-12, TS-26, TS-28, TS-210, TS-212 Rating ............................................... : AC Input: 100-240V, 50/60Hz 38W DC Input: 12V38W built-in rechargeable Li-ion Battery: 7.4V/4500mAh/33.3Wh Result ............................................... : PASS Report No.: CTA26060300402 Page 2 of 8 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn T E S T R E P O R T Equipment under Test : Speaker Model /Type : E-B9 Listed Models : E-B3, E-B4, E-B5, E-B6, E-B7, E-B8, E-B10, E-B12, E-B15, TS-8, TS-10, TS-12, TS-26, TS-28, TS-210, TS-212 Model difference : The PCB board, circuit, structure and internal of these models are the same, Only model number and colour is different for these model. So the tests were performed on model E-B9 and the test results for the main test model can cover the listed models. Applicant : QFX Inc. Address : 2957 E. 46th Street, Vernon, CA 90058 Manufacturer : GUANGZHOU MINFU ELECTRONIC AUDIO CO.,LTD. Address : No. 2, Dongsheng Sanheng Road, Dalong Street, Panyu District, Guangzhou, Guangdong Province, China Test Result: PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Report No.: CTA26060300402 Page 3 of 8 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn Contents 1 TEST STANDARDS ............................................................................................................ 4 2 SUMMARY .......................................................................................................................... 5 2.1 General Remarks ..................................................................................................... 5 2.2 Product Description ................................................................................................. 5 2.3 Special Accessories ................................................................................................. 5 2.4 Modifications ............................................................................................................ 5 3 TEST ENVIRONMENT ....................................................................................................... 6 3.1 Address of the test laboratory .................................................................................. 6 3.2 Test Facility .............................................................................................................. 6 3.3 Statement of the measurement uncertainty ............................................................. 6 4 Test limit .............................................................................................................................. 7 4.1 Requirement ............................................................................................................ 7 4.2 MPE Calculation Method ......................................................................................... 7 4.3 Conducted Power Results ....................................................................................... 8 4.4 Manufacturing tolerance .......................................................................................... 8 4.5 Standalone MPE Result ........................................................................................... 8 4.6 Simultaneous Transmission for MPE Result ..........................................................…

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1. Antenna Description: Antenna type PCB antenna Model E-B9 Frequency range 2400-2500MHz Manufacturer QFX Inc. Address 2957 E. 46th Street, Vernon, CA 90058 ANT Peak Gain 1.63 dBi 2. Antenna Photo: 3. Test Equipment & Conditions 3.1 Test instrument VSWR is tested using Agilent E5071B connected to a hand mechanism, and the status is free space. 3.2 Test environment and methods 4．Antenna Radiation Pattern 2400MHz 2450MHz 2500MHz

Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn FCC PART 15 SUBPART C TEST REPORT FCC PART 15.247 Report Reference No. .................... : FCC ID. ........................................... : CTA26060300401 2AOMX-E-B9 Compiled by ( position+printed name+signature) . : File administrators Zoey Cao Supervised by ( position+printed name+signature) . : Project Engineer Ace Chai Approved by ( position+printed name+signature) . : RF Manager Eric Wang Date of issue .................................... : Jun. 09, 2026 Testing Laboratory Name .............. : Shenzhen CTA Testing Technology Co., Ltd. Address ............................................ : Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Applicant’s name ........................... : QFX Inc. Address ............................................ : 2957 E. 46th Street, Vernon, CA 90058 Test specification ........................... : Standard ........................................... : FCC Part 15.247 Shenzhen CTA Testing Technology Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen CTA Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen CTA Testing Technology Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Test item description ..................... : Speaker Trade Mark ....................................... : N/A Manufacturer .................................... : GUANGZHOU MINFU ELECTRONIC AUDIO CO.,LTD. Model/Type reference ...................... : E-B9 Listed Models ................................... : E-B3, E-B4, E-B5, E-B6, E-B7, E-B8, E-B10, E-B12, E-B15, TS-8, TS-10, TS-12, TS-26, TS-28, TS-210, TS-212 Modulation ....................................... : GFSK, Π/4DQPSK, 8DPSK Frequency ........................................ : From 2402MHz to 2480MHz Ratings ............................................. : AC Input: 100-240V, 50/60Hz 38W DC Input: 12V38W built-in rechargeable Li-ion Battery: 7.4V/4500mAh/33.3Wh Result ............................................... : PASS Report No.: CTA26060300401 Page 2 of 42 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn T E S T R E P O R T Equipment under Test : Speaker Model /Type : E-B9 Listed Models : E-B3, E-B4, E-B5, E-B6, E-B7, E-B8, E-B10, E-B12, E-B15, TS-8, TS-10, TS-12, TS-26, TS-28, TS-210, TS-212 Model difference : The PCB board, circuit, structure and internal of these models are the same, Only model number and colour is different for these model. So the tests were performed on model E-B9 and the test results for the main test model can cover the listed models. Applicant : QFX Inc. Address : 2957 E. 46th Street, Vernon, CA 90058 Manufacturer : GUANGZHOU MINFU ELECTRONIC AUDIO CO.,LTD. Address : No. 2, Dongsheng Sanheng Road, Dalong Street, Panyu District, Guangzhou, Guangdong Province, China Test Result: PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Report No.: CTA26060300401 Page 3 of 42 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn Contents 1 TEST STANDARDS ...................................................................................................................................... 4 2 SUMMARY .................................................................................................................................................... 5 2.1 General Remarks .............................................................................................................................. 5 2.2 Product Description ........................................................................................................................... 5 2.3 Equipment Under Test ....................................................................................................................... 5 2.4 Short description of the Equipment under Test (EUT) ...................................................................... 5 2.5 EUT configuration .............................................................................................................................. 6 2.6 EUT operation mode ......................................................................................................................... 6 2.7 Block Diagram of Test Setup ............................................................................................................. 6 2.8 Related Submittal(s) / Grant (s) ......................................................................................................... 6 2.9 Modifications ...................................................................................................................................... 6 3 TEST ENVIRONMENT ................................................................................................................................. 7 3.1 Address of the test laboratory .......................................................................................................…

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1 FCC Appendix RF Test Data for BT FCC ID : 2AOMX-E-B9 Company : QFX Inc. EUT : Speaker Model Number : E-B9 Report No. : CTA26060300401 Reviewed By : Eric Wang 2 Appendix A: 20dB Emission Bandwidth Test Result TestMode Antenna Freq(MHz) 20dB EBW[MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict DH5 Ant1 2402 0.94 2401.55 2402.49 --- --- 2441 0.94 2440.55 2441.49 --- --- 2480 0.94 2479.55 2480.49 --- --- 2DH5 Ant1 2402 1.29 2401.38 2402.67 --- --- 2441 1.28 2440.38 2441.67 --- --- 2480 1.29 2479.38 2480.67 --- --- 3DH5 Ant1 2402 1.29 2401.36 2402.66 --- --- 2441 1.30 2440.36 2441.66 --- --- 2480 1.28 2479.37 2480.65 --- --- 3 Test Graphs DH5_Ant1_2402 DH5_Ant1_2441 DH5_Ant1_2480 4 2DH5_Ant1_2402 2DH5_Ant1_2441 5 2DH5_Ant1_2480 3DH5_Ant1_2402 3DH5_Ant1_2441 6 3DH5_Ant1_2480 7 Appendix B: Occupied Channel Bandwidth Test Result TestMode Antenna Freq(MHz) OCB [MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict DH5 Ant1 2402 0.86314 2401.5774 2402.4406 --- --- 2441 0.87213 2440.5744 2441.4466 --- --- 2480 0.85714 2479.5804 2480.4376 --- --- 2DH5 Ant1 2402 1.1748 2401.4216 2402.5964 --- --- 2441 1.1718 2440.4246 2441.5964 --- --- 2480 1.1748 2479.4246 2480.5994 --- --- 3DH5 Ant1 2402 1.1718 2401.4276 2402.5994 --- --- 2441 1.1718 2440.4276 2441.5994 --- --- 2480 1.1718 2479.4276 2480.5994 --- --- 8 Test Graphs DH5_Ant1_2402 DH5_Ant1_2441 DH5_Ant1_2480 9 2DH5_Ant1_2402 2DH5_Ant1_2441 10 2DH5_Ant1_2480 3DH5_Ant1_2402 3DH5_Ant1_2441 11 3DH5_Ant1_2480 12 Appendix C: Maximum conducted output power Test Result Peak Test Mode Antenna Freq(MHz) Conducted Peak Powert[dBm] Conducted Limit[dBm] Verdict DH5 Ant1 2402 -6.13 ≤20.97 PASS 2441 -6.09 ≤20.97 PASS 2480 -6.19 ≤20.97 PASS 2DH5 Ant1 2402 -3.91 ≤20.97 PASS 2441 -3.85 ≤20.97 PASS 2480 -4.10 ≤20.97 PASS 3DH5 Ant1 2402 -3.88 ≤20.97 PASS 2441 -3.54 ≤20.97 PASS 2480 -3.99 ≤20.97 PASS 13 Appendix D: Carrier frequency separation Test Result TestMode Antenna Freq(MHz) Result[MHz] Limit[MHz] Verdict DH5 Ant1 Hop 0.968 ≥0.940 PASS 2DH5 Ant1 Hop 1 ≥0.860 PASS 3DH5 Ant1 Hop 1 ≥0.867 PASS 14 Test Graphs DH5_Ant1_Hop 2DH5_Ant1_Hop 3DH5_Ant1_Hop 15 16 Appendix E: Time of occupancy Test Result TestMode Antenna Freq(MHz) BurstWidth [ms] TotalHops [Num] Result[s] Limit[s] Verdict DH1 Ant1 Hop 0.403 319 0.129 ≤0.4 PASS DH3 Ant1 Hop 1.653 160 0.264 ≤0.4 PASS DH5 Ant1 Hop 2.892 95 0.275 ≤0.4 PASS 2DH1 Ant1 Hop 0.413 320 0.132 ≤0.4 PASS 2DH3 Ant1 Hop 1.658 169 0.28 ≤0.4 PASS 2DH5 Ant1 Hop 2.898 102 0.296 ≤0.4 PASS 3DH1 Ant1 Hop 0.414 320 0.132 ≤0.4 PASS 3DH3 Ant1 Hop 1.655 155 0.257 ≤0.4 PASS 3DH5 Ant1 Hop 2.899 116 0.336 ≤0.4 PASS 17 Test Graphs DH1_Ant1_Hop DH3_Ant1_Hop 18 DH5_Ant1_Hop 19 2DH1_Ant1_Hop 2DH3_Ant1_Hop 20 2DH5_Ant1_Hop 21 3DH1_Ant1_Hop 3DH3_Ant1_Hop 22 3DH5_Ant1_Hop 23 24 Appendix F: Number of hopping channels Test Result TestMode Antenna Freq(MHz) Result[Num] Limit[Num] Verdict DH5 Ant1 Hop 79 ≥15 PASS 2DH5 Ant1 Hop 79 ≥15 PASS 3DH5 Ant1 Hop 79 ≥15 PASS 25 Test Graphs DH5_Ant1_Hop 2DH5_Ant1_Hop 3DH5_Ant1_Hop 26 27 Appendix G: Band edge measurements Test Result TestMode Antenna ChName Freq(MHz) RefLevel [dBm] Result [dBm] Limit [dBm] Verdict DH5 Ant1 Low 2402 -6.05 -58.49 ≤-26.05 PASS High 2480 -6.34 -56.24 ≤-26.34 PASS Low Hop_2402 -4.00 -57.94 ≤-24 PASS High Hop_2480 -3.07 -56.28 ≤-23.07 PASS 2DH5 Ant1 Low 2402 -6.13 -57.94 ≤-26.13 PASS High 2480 -6.51 -54.05 ≤-26.51 PASS Low Hop_2402 -3.29 -53.46 ≤-23.29 PASS High Hop_2480 -3.77 -44.92 ≤-23.77 PASS 3DH5 Ant1 Low 2402 -6.03 -57.96 ≤-26.03 PASS High 2480 -7.04 -55.85 ≤-27.04 PASS Low Hop_2402 -5.59 -58 ≤-25.59 PASS High Hop_2480 -4.34 -48.68 ≤-24.34 PASS 28 Test Graphs DH5_Ant1_Low_2402 DH5_Ant1_High_2480 DH5_Ant1_Low_Hop_2402 29 DH5_Ant1_High_Hop_2480 2DH5_Ant1_Low_2402 30 2DH5_Ant1_High_2480 2DH5_Ant1_Low_Hop_2402 2DH5_Ant1_High_Hop_2480 31 3DH5_Ant1_Low_2402 3DH5_Ant1_High_2480 32 3DH5_Ant1_Low_Hop_2402 3DH5_Ant1_High_Hop_2480 33 Appendix H: Conducted Spurious Emission Test Result TestMode Antenna Freq(MHz) FreqRange [MHz] RefLevel [dBm] Result [dBm] Limit [dBm] Verdict DH5 Ant1 2402 Reference -6.11 -6.11 --- PASS 30~1000 -6.11 -63.82 ≤-26.11 PASS 1000~26500 -6.11 -49.38 ≤-26.11 PASS 2441 Reference -6.24 -6.24 --- PASS 30~1000 -6.24 -38.88 ≤-26.24 PASS 1000~26500 -6.24 -50.72 ≤-26.24 PASS 2480 Reference -6.38 -6.38 --- PASS 30~1000 -6.38 -64.91 ≤-26.38 PASS 1000~26500 -6.38 -47.73 ≤-26.38 PASS 2DH5 Ant1 2402 Reference -6.12 -6.12 --- PASS 30~1000 -6.12 -64.6 ≤-26.12 PASS 1000~26500 -6.12 -49.28 ≤-26.12 PASS 2441 Reference -6.26 -6.26 --- PASS 30~1000 -6.26 -64.84 ≤-26.26 PASS 1000~26500 -6.26 -49.63 ≤-26.26 PASS 2480 Reference -6.45 -6.45 --- PASS 30~1000 -6.45 -65.22 ≤-26.45 PASS 1000~26500 -6.45 -52.32 ≤-26.45 PASS 3DH5 Ant1 2402 Reference -6.09 -6.09 --- PASS 30~1000 -6.09 -65.16 ≤-26.09 PASS 1000~26500 -6.09 -50.25 ≤-26.09 PASS 2441 Reference -6.15 -6.15 --- PASS 30~1000 -6.15 -65.17 ≤-26.15 PASS 1000~26500 -6.15 -47.42 ≤-26.15 PASS 2480 Reference -6.45 -6.45 --- PASS 30~1000 -6.45 -64.56 ≤-26.45 PASS 1000~26500 -6.45 -51.9 ≤-26.45 PASS 34 Test Graphs DH5_Ant1_2402_0~Reference DH5_Ant1_2402_30~1000 DH5_Ant1_2402_1000~26500 35 DH5_Ant1_2441_0~Reference DH5_Ant1_2441_30~1000 36 DH5_Ant1_2441_1000~26500 DH5_Ant1_2480_0~Reference DH5_Ant1_2480_30~1000 37 DH5_Ant1_2480_1000~26500 2DH5_Ant1_2402_0~Reference 38 2DH5_Ant1_2402_30~1000 2DH5_Ant1_2402_1000~26500 2DH5_Ant1_2441_0~Reference 39 2DH5_Ant1_2441_30~1000 2DH5_Ant1_2441_1000~26500 40 2DH5_Ant1_2480_0~Reference 2DH5_Ant1_2480_30~1000 2DH5_Ant1_2480_1000~26500 41 3DH5_Ant1_2402_0~Reference 3DH5_Ant1_2402_30~1000 42 3DH5_Ant1_2402_1000~26500 3DH5_Ant1_2441_0~Reference 3DH5_Ant1_2441_30~1000 43 3DH5_Ant1_2441_1000~26500 3DH5_Ant1_2480_0~Reference 44 3DH5_Ant1_2480_30~1000 3DH5_Ant1_2480_1000~26500 45 Appendix I: Duty Cycle Test Result TestMode Antenna Freq(MHz) ON Time [ms] Period [ms] DC [%] xFactor Limit Verdict DH5 Ant1 2402 2.91 3.75 77.60 1.10 --- --- 2441 2.91 3.74 77.81 1.09 --- --- 2480 2.91 3.75 77.60 1.10 --- --- 2DH5 Ant1 2402 2.91 3.75 77.60 1.10 --- --- 2441 2.…

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FCC ID: 2AOMX-E-B9 Test Setup Photos of the EUT FCC ID: 2AOMX-E-B9