DIY speaker bluetooth Amplifier TPA13118 60W+30W*2 2.1 Subwoofer ghxamp [TEST]

Multifunctional 2.1 Subwoofer Speaker Amplifier Board Portable Audio 30W Sub AMP with Independent 2.0 Output
Basically cover the entire civil audio, with 2.0 independent channel output, you can easily implement a 2.1 speaker system.
Features:
Adopt full patch process, with aluminum back plate, lightweight and practical.
There is almost no noise, and with fine control.
It has nice excitation and dynamic Q value control, which can be comparable to the sound of traditional analog-power amplifier.
It is a perfect subwoofer amplifier board for home theater.
Multifunctional but easy and convinient to operate.
Specifications:
Type: with BT function, without BT function (optional)
Color: black
Material: plastics+metal
Power: 30W * 2
Input voltage: 15-22V
Opening size: 96 * 106mm
Sink hole depth (aluminum plate thickness): 2.5mm
Item size: 116 * 126mm / 4.6 * 5.0in
Item weight: 200g / 7.1ounce
Package size: 150 * 140 * 50mm / 5.9 * 5.5 * 2.0in
Package weight: 240g / 8.5ounce
Packing List:
1 * Speaker Amplifier Board

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Where link amplifier board?

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