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XY-AP15H 20Wx2 Subwoofer Amplifier Module APP Control Bluetooth-Compatible Audio Board Stereo Speaker Modulator Set Accessory
Feature:
Audio input supported: Bluetooth-compatible 5.0, AUX, USB flash drive, Computer USB (USB flash drive file system must be FAT 32, maximum 32GB support)
Audio output supported: active speaker, passive speaker (note: passive speaker and active speaker can only choose one)
USB flash drive playback is supported. Plug in the USB flash drive, open the APP and switch to the "USB flash drive" mode, accompanied by a prompt sound, and enter the USB flash drive playing mode
Support mobile APP control. Visual operation playback mode; APP download: Please download for Google Marketplace and search 'Sinilink' to download
Support computer sound card function. The output signal with better sound quality than the computer can be played by the speaker. Connect the Bluetooth-compatible board card to the computer with the data line, open the APP, and click "Sound card" to switch the switch is completed with prompt sound playing. Turn on the computer player software to play music.
Use 5.5/2.1 socket, compatible 5.5/2.1, 5.5/2.5 plug with DC adapter, convenient connection of non-standard plug. High quality full copper DC plug, long life

Specification:
Model: XY-AP15H
Power supply voltage: DC: 8~24V(the higher the voltage, the greater the output power)
Bluetooth-compatible version: 5.0
Transmission distance: 15 m (no shielding)
Number of channels: left and right double channels (stereo)
Adapter horn: 30W~200W4ohm 8ohm 16ohm
Protection mechanism: power reverse connection protection, short circuit protection, self-recovery overheating protection
12V-8 Ohms /10W+10W, 4 Ohms /16W+16W
16V-8 Ohms /15W+15W, 4 Ohms/greater than 20W+20W
20V-8 Ohms /20W+20W, 4 Ohms/greater than 20W+20W
24V-8 Ohms /30W+30W, 4 Ohms/greater than 30W+30W
Product size: 53x52x26mm
Weight: 60g

Tips:
1. Power amplifier board use as far as possible away from WIFI signal (router)
2. The recommended supply voltage DC 8~24V, more than 26V, the chip will burn.
3. The power supply is not more than 12V when connected to 4 Ohms speaker, and the power supply is not more than 24V when connected to 8 ohms speaker
4. Power supply current is recommended to be more than 2A.
5. The module working power exceeds 20W*2, need to add heat sink
6. The speaker line is not too long, to ensure that 1 meters within the appropriate
7. Pay attention to static electricity protection. Before contacting the power amplifier board, you need to release the static electricity on your hands to avoid static electricity breakdown of the chip.
8. It is recommended to adapt the rated power of the speaker 30W and above, to avoid the heat burning of the speaker

Note:
The output power of the power supply should be greater than the output power of the amplifier, otherwise it will affect the sound quality. If the output power is greater than 20W and 20W, add heat sink
Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
Please allow 1-2cm measuring deviation due to manual measurement.