DC12V-24V 2.1 Channel TPA3116 Stereo Subwoofer Amplifier Board 2x50W+100W BT Audio Amplifiers Board with Sub

Description:-

This is a support for Bluetooth audio receiver board, with preamp amplification, bass frequency processing.

With bass, left and right channel volume adjustment, treble adjustment, the total volume potentiometer control 2.1 amplifier board.

DC power supply 12-24V power supply, maximum support 50W (left channel) +50 W (right channel) +100 W (bass channel) three-channel output.

Use of the United States TI company TPA3116D2 digital amplifier chip as the core, a parallel bridge subwoofer output, do a left and right channel output.

Wide operating voltage efficiency up to 90%. Can use good performance switching power supply, laptop switching power supply, you can also use the charging bottle, or car power supply, etc.

With 100W subwoofer bass treble adjustable .

Features:-

• DC power supply 12-24V power supply,（recommend 24V 10A，5.5*2.5）
• Maximum support 50W (left channel) +50 W (right channel) +100 W (bass channel) three-channel output.
• Use of the United States TI company TPA3116D2 digital amplifier chip as the core, a parallel bridge subwoofer output, do a left and right channel output.
• Wide operating voltage efficiency up to 90%. Can use good performance switching power supply, laptop switching power supply, you can also use the charging bottle, or car power supply, etc.
• Bluetooth 4.2 version.

Function switch Instructions for use:

• Plug in the power on default Bluetooth mode
• Bluetooth disconnected, long press the switch can switch to the audio input mode
• Bluetooth play status, short press the switch to pause / play

Specifications:-

• Size (L * W * H): 101 x 100 x 25mm, excluding potentiometer and socket projection
• Operating voltage range: DC 11-25V (current 3-4A, or 19-24V / 4-5A, such as high power requirements 20-24V / 8-9A above)
• Bluetooth receiving distance: > 8 m (meters)
• Audio input sensitivity: 600-800mV
• Frequency response range: 20Hz-20KHz
• Speaker impedance: left and right channel speakers: 4-8 ohm, bass speaker impedance: 2-8 ohm

Package included:-

1x TPA3116 Subwoofer Amplifier Board 2.1 Channel High Power Bluetooth Audio Amplifier Board