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DIY Kit- 2.1 STA540 subwoofer 3-Channel power amplifier DIY Kits (NE5532 preamplifier)
PCB Size:90mm*50mm(L X W)
If your existing audio effect is not ideal, and you want to find a good power amplifier board to replace, so this power amplifier board will be your best choice!
You can enjoy the pure enjoyment of the perfect sound
Input voltage:Single AC 10~18V or DC 9~14V
Current :3A or above (the larger for current the better the sound effect is!)
Maximum output power: left and right channels:13Wx2 subwoofer: 38Wx1
Suggest best match:
subwoofer:4ohms 20W-30W Left/Right Speaker: 4ohms 10W-15W median frequency/high frequency speakers or full frequency speakers.
PCB Size: 90mm X 50mm(L X W)
The connection method:
This is DIY kit, you need to solder it yourself, or you could buy a finished board that we've already soldered & Tested well by adding additional $6.00.
For DIY kits users, you need to know common welding, electric circuit & safety knowledge first.
For use,you need to add matching heatsink to it while working.
(We will not for the IC burned which by uncorrect way)
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