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. 2.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 TPA3116D2 digital amplifier chip as the core, a parallel bridge subwoofer output, do a left and right channel output. 4..Wide operating voltage efficiency up to 90%. Can use a good performance switching power supply, laptop switching power supply, you can also use the charging bottle or car power supply, etc.

Specifications Of HIFI Power 2.1 Channel Audio Stereo Equalizer Blue-tooth Subwoofer Amplifier Board Amp 2*50W+100W TPA3116:

• Product Name: 2.1 Channel TPA3116D2  Digital Amplifier
• AMP Chip: dual TPA3116D2
• Max Output Power: 2*50W+100W
• Power Supply: DC12~24V
• Channels: 2.1
• Efficiency: 90%
• Output Impedance:  left/right 4-8 ohm, bass 2-8 ohm
• Audio Input: Bluetooth / AUX / 3P
• Bluetooth Version: 5.0
• Working Type: Class D
• Size: 100*101*25mm

 Function Instructions:

• Default Bluetooth mode is Default.
• When Bluetooth disconnected, long-press the Volume button to Switch to AUX.
• The product size is subject to the picture or description provided, please select the appropriate size before you submit your order.
• The accessories on the picture are for shooting only and are not included in the shipping list.

Package Includes:

• 1 x 2.1 Channel Bluetooth HIFI Power Subwoofer Amplifier Board Set

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