Feature:
1. HIFI SOUND QUALITY: 2.1 channel Bluetooth amplifier board has HiFi sound quality, 2.1 channel, Bluetooth 5.1, AUX sound input, APP new upgrade.
2. 360 DEGREE INFINITE TUNING: BT 5.1 AMP board supports 360 degree infinitely tunable. AUX sound connection left and right channel treble bass independent adjustment.
3. APP VISUAL OPERATION: APP visual operation play mode volume, sound, up and down song control, play pause, play mode modify the Bluetooth name, set the connection password.
4. MOBILE APP CONTROL: Bluetooth amplifier board supports cell phone APP control, support for Android for iOS system, to meet your different needs of use.

Specification:

Item Type: Bluetooth Amplifier Board
Material: PCB
Bluetooth Version: 5.1
Sound Channel: 2.1 Channel
Input Method: Bluetooth, AUX
Sound Output: Left And Right Channel, Bass Channel
Power Supply: DC12V-24V
Volume Adjustment: High End Encoder Knob Adjustment, Fluent Feel
Frequency Range: 20Hz-30KHz
Signal To Noise Ratio: 92dB
Output Power: 2 x 50W (Left And Right Channel), 100w (Bass Channel)
Satellite Box (Left And Right Channel) Adaptable Speakers: 10W-50W 4Ω-8Ω
Bass Channel (Subwoofer) Matching Speakers: 20W-100W 4Ω-8Ω
Protection Mechanism: Electrostatic Protection, Over Current Protection, Short Circuit Protection, Overheating Protection
APP Function: Support APP Control

Package List:
1 x Bluetooth Amplifier Board1 x Upper Cover Plate
1 x Lower Cover Plate
3 x Knob Cap
1 x Screwdriver
1 x DC Adapter
1 x Heat Sink
4 x M2x16 Copper Post

Note:
The impedance of the suitable speaker is 4Ω, and the power supply cannot exceed 12V.
The impedance of the suitable speaker is 8Ω, and the power supply cannot exceed 24V.