2BV9M-KDDYM007Music Control Box

1 Product Instructions Music Control Box Model: KDDYM007 2 Revision History Mark Date VersionRevision Content 2026.7.20 V1.0First Release I. Product Overview This music control box is a multifunctional integrated audio power amplification system, suitable for various audio output and haptic feedback scenarios. The module uses an efficient Class D amplifier design, supports four independent outputs, and offers high-fidelity audio output with strong driving capability. It's ideal for embedded audio systems, entertainment devices, multimedia terminals, and more. II. Main Features 1. Supports Bluetooth V6.0 wireless audio with playback latency under 200ms 2. Built-in 2 full-range speakers, 2 shakers, 1 subwoofer, and 1 programmable RGB light 3. Can do master-slave networking and sync music 4. LED strip modes include rhythm, breathing, and fixed color 5. Shakers can do rhythm, constant vibration, and various preset patterns 6. Controlled via serial port, works with external control boxes and wireless remotes 7. Compact design, easy to fit into bed systems III. Electrical Specifications Item Specification Power Supply VoltageDC 24V (Rated) Bluetooth Name KDSofa-H-xxxx Communication Method Serial, Baud Rate 115200, 5V Level Bluetooth Version V6.0 Bluetooth Communication Distance >10 meters Music Playback Latency ≤120ms Full-range Speaker Power 2 × 15W @ 4Ω Subwoofer power 50W @ 2Ω Vibrator Power 2 x 20W @ 6Ω 3 IV. Channel Function Description Channel Function DescriptionOutput Power (RMS)Load Impedance Vibrater Channel (L/R)Drive vibration motor or tactile device 2 × 20W6Ω Full-range Stereo Channel (L/R) Main audio output2 × 15W4Ω Bass channel Low-frequency output 50W 2Ω Light Strip Music rhythm1 × 5W— V. Protection Functions 1. Over-temperature Protection: Output is shut off when chip temperature exceeds safe value 2. Over-current Protection: Automatic current limiting when output is short-circuited or overloaded 3. Short-circuit Protection: Automatically enters protection state when output is short-circuited 4. DC Protection: Automatically shuts off output when DC offset occurs VI. Interface Definitions Actual Hardware Function Top Cover Mark / PositionInterface Type / Description Power port Middle on the left24V/5A power input Control the serial port interface Top centerSerial port control, connect the display Audio jack Control Serial InterfaceLeft and right channels and bass output Vibration port Middle on the rightTwo-way vibrator output RGB light strip connector Top centerOne-channel RGB light strip control output (PWM/24V) Connection diagram: 4 VII. Mechanical Dimensions and Environmental Requirements Item Specification PCB Dimensions See Figure Mounting Method Screw fixation or plug-in Operating Temperature-10°C ~ +45°C Storage Temperature-20°C ~ +50°C Operating Humidity 10% ~ 90% RH, non-condensing Cooling Method Heat sink VIII. Product Outline Drawing (Unit: mm) 5 Precautions: 1) Before use, make sure to connect the wires according to the system connection diagram, then turn on the main power; 2) Children, the elderly, and people with disabilities should use under supervision; 3) Do not plug or unplug any connection cables while the power is on, as it may cause functional issues. If this happens, you can turn off the main power and turn it back on after about 30 seconds to restore functionality; 4) Do not use near fire sources or in high-temperature environments; 5) Do not use in dusty environments; 6) Keep away from water or other conductive objects; 7) Do not place flammable items around the product; 8) Make sure there is ventilation space around the product, and do not cover it while it is working; 9) Installation should be guided by a professional; 10) To meet FCC certification requirements, the whole product set should comply with FCC certification instructions. 6 FCC Statement 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. This device 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 device 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 device does cause harmful interference to radio or television reception, which can be determined by turning the device 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 device and receiver. --Connect the device 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. Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. RF warning for portable device: The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.

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FCC ID: 2BV9M-KDDYM007 FCC ID: 2BV9M-KDDYM007 FCC ID: 2BV9M-KDDYM007

55*33 YYMMDD26081120268 11 0001

Label Location

FCC ID: 2BV9M-KDDYM007 FCC ID: 2BV9M-KDDYM007 Antenna

Acc eir whe pt gt E = d = Sop Ant Fie So <2. The ording to p = pt x re: = transmi = numeri c = electric = measurem t = (EXd) t gain = eld stre Pt= {[1 76 mW n SAR eva o 447498 D gt = (EXd tter outp c gain of c field st ment dista 2 /30 x gt =-0.58 dB ngth =90 0 (90.90/20) aluation i RF Expo For FCC I D04 Interi d) 2 /30 put power the tran s trength in ance in me Bi so An 0.90dBμV /10 6 x3] s not req osure eval ID: 2BV9M- im General in watts, smitting a n V/m, --- eters (m) nt numeri V/m @3m@2 ] 2 / (30x0 quired luation -KDDYM007 l RF Expos antenna (u - 10 ((dBuV/ ---3m ic gain= 2441MHz 0.87)} x sure Guida unitless), /m)/20) /10 6 = 0.87 x 1000 mW ance v01 W = 0.422mW

Inverted F Antenna Specification Summary ITEM ANT SPEC Model Name 2.4G ANT Horizontal Vertical 2400MHz 2400MHz2500MHz2400MHz2400MHz 2500MHz Center Frequency -1.26 -0.76 -0.58 -5.25 -2.46 -1.86 MAX. Gain -0.58dB Polarization Horizontal and Vertical Azimuth Beam Pattern Omni-directional Impedance 50 Ohm Antenna Length 38.20mm Manufacture ZHUHAI JIELI TECHNOLOGY CO.,LTD Antenna Photo & Length (mm) Horizontal: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -40 Scale: 5/div Gain(dB) Frequency (MHz) 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 Gain(dB) Frequency (MHz) Max Min Avg 2400 -5.2537 -22.1424 -12.4294 2450 -2.4652 -24.5837 -10.4702 2500 -1.86120 -29.5214 -9.20432 ANT Test Labs：Attestation of Global Compliance Co., Ltd.

Report No.: TWN2607655-02E Applicant: CHANGZHOU MAIKAI ELECTRONIC EQUIPMENT CO., LTD Product: Music Control Box Model No.: KDDYM007 Trademark: N/A FCC ID: 2BV9M-KDDYM007 Test Standards: FCC Part 15.249 Test result: It is herewith confirmed and found to comply with the requirements set up by ANSI C63.10 & FCC Part 15 Subpart C, Paragraph 15.249 regulations for the evaluation of electromagnetic compatibility Approved By Terry Tang Manager Dated: August 04, 2026 Results appearing herein relate only to the sample tested The technical reports is issued errors and omissions exempt and is subject to withdrawal at SHENZHEN TIMEWAY TESTING LABORATORIES Zone C, 1st Floor, Block B, Jun Xiang Da Building, Zhongshan Park Road West, Tong Le Village, Nanshan District, Shenzhen, China Tel (755) 83448688, Fax (755) 83442996, E-Mail:[email protected] Report No.: TWN2607655-02E Page 2 of 44 Date: 2026-08-04 The report refers only to the sample tested and does not apply to the bulk. This report is issued in confidence to the client and it will be strictly treated as such by the SHENZHEN TIMEWAY TESTING LABORATORIES. It may not be reproduced rather in its entirety or in part and it may not be used for adverting. The client to whom the report is issued may, however, show or send it . or a certified copy there of prepared by the SHENZHEN TIMEWAY TESTING LABORATORIES. to his customer. Supplier or others persons directly concerned. SHENZHEN TIMEWAY TESTING LABORATORIES. will not, without the consent of the client enter into any discussion of correspondence with any third party concerning the contents of the report. In the event of the improper use of the report. The SHENZHEN TIMEWAY TESTING LABORATORIES. reserves the rights to withdraw it and to adopt any other remedies which may be appropriate. Special Statement： FCC-Registration No.: 744189 The EMC Laboratory has been registered and fully described in a report filed with the (FCC) Federal Communications commission. The acceptance letter from the FCC is maintained in our files. Registration No.: 744189. ISED —Registration No.:5205A The EMC Laboratory has been registered by Certification and Engineering Bureau of ISED for radio equipment testing with Registration No.: 5205A. A2LA (Certification Number:5013.01) The EMC Laboratory has been accredited by the American Association for Laboratory Accreditation (A2LA). Certification Number:5013.01 CAB identifier: CN0033 FCC Designation Number: CN1251 Report No.: TWN2607655-02E Page 3 of 44 Date: 2026-08-04 The report refers only to the sample tested and does not apply to the bulk. This report is issued in confidence to the client and it will be strictly treated as such by the SHENZHEN TIMEWAY TESTING LABORATORIES. It may not be reproduced rather in its entirety or in part and it may not be used for adverting. The client to whom the report is issued may, however, show or send it . or a certified copy there of prepared by the SHENZHEN TIMEWAY TESTING LABORATORIES. to his customer. Supplier or others persons directly concerned. SHENZHEN TIMEWAY TESTING LABORATORIES. will not, without the consent of the client enter into any discussion of correspondence with any third party concerning the contents of the report. In the event of the improper use of the report. The SHENZHEN TIMEWAY TESTING LABORATORIES. reserves the rights to withdraw it and to adopt any other remedies which may be appropriate. Test Report Conclusion Content 1.0 General Details................................................................................................ 4 1.1 Test Lab Details................................................................................................ 4 1.2 Applicant Details.............................................................................................. 4 1.3 Description of EUT .......................................................................................... 4 1.4 Submitted Sample............................................................................................. 4 1.5 Test Duration................................................................................................... 5 1.6 Test Uncertainty................................................................................................ 5 1.7 Test By......................................................................................................... 5 2.0 List of Measurement Equipment......................................................................... 6 3.0 Technical Details............................................................................................. 7 3.1 Summary of Test Results.................................................................................... 7 3.2 Test Standards................................................................................................. 7 4.0 EUT Modification........................................................................................... 7 5.0 Power Line Conducted Emission Test.................................................................. 8 5.1 Schematics of the Test....................................................................................... 8 5.2 Test Method and Test Procedure............................................................................ 8 5.3 Configuration of the EUT.................................................................................... 8 5.4 EUT Operating Condition................................................................................... 9 5.5 Conducted Emission Limit.................................................................................. 9 5.6 Test Result..................................................................................................... 9 6.0 Radiated Emission test..................................................................................... 12 6.1 Test Method and Test Procedure............................................................................ 12 6.2 C…

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FCC ID: 2BV9M-KDDYM007 Conducted Emission Test Setup: FCC ID: 2BV9M-KDDYM007 Radiated Emission Test Setup: FCC ID: 2BV9M-KDDYM007 RF test Setup: