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Feature

Two TPA3116D2 Chips - one for the left/ right channel power amplify and the second is in bridge connection with the front NE5532 to drive the subwoofer.
DC 12-24V wide input voltage; 3.5mm audio input jack; 3-pin audio input jack; Volume/ Subwoofer/ Stereo knob adjustment.
50W*2+100W 2.1 channels (left+right+subwoofer), high efficiency and low heat.
Users can easily adjust the volume, just connect the power and speakers that you can enjoy pure digital music.
Sound quality is very good, high efficiency and amplifying power. Great for great for connecting to telephone or computer, DIY speaker, vehicle auto stereo, etc.

Description

Specifications:
Chip type: TPA3116D2*2
Power supply: DC 12-24V
Output power: 50W*2 100W*1(Subwoofer)
Output load: 4-8
Respond range: 14-100KHz
SNR: 100db
Channel amount: 3 (left+right+subwoofer)
Switch frequency: 1.2MHz
Weight: 136g
Size: 100mm*70mm*30mm (L * W * H)

Package Included:
1* Digital Subwoofer Power Amplifier Board