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XY-C50L 50Wx2 Digital Amplifier Board APP Control Bluetooth-Compatible Audio Module Stereo Speaker Subwoofer Modulator Set
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-C50L
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: 0W~200W 4 ohm 8 ohm 16 ohm
Protection mechanism: power reverse connection protection, short circuit protection, self-recovery overheating protection
Complimentary cool features: mobile APP control; Supports for Android/iOS
12V-8 Ohms /15W+15W, 4 Ohm /20W+20W
15V-8 ohms /18W+18W, 4 ohms/greater than 30W+30W
19V-8 Ohms /32W+32W, 4 Ohms/greater than 45W+45W
24V-8 Ohms /40W+40W, 4 Ohms/greater than 50W+50W
Size: 53x52x16mm/2.1X2X0.63in
Weight: 60g

Speaker selection:
This product can continuously output 50W*2 power amplifier, 10W~200W speakers can be pushed, 8 ohms or 4 ohms speaker is recommended.
If the power is within 50W of the speaker, the appropriate lower power supply voltage (such as 12V power supply) or turn down the playback volume; More than 50W horn power supply voltage is better (26V less).
If music speakers appear "hiccup" phenomenon, the first consideration is insufficient power supply, use a larger power supply; Second, consider the power amplifier overheat protection, strengthen the heat dissipation or turn down the playback volume.

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
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.