What's in the box:

DX-2.1 Large Power Audio Amplifier Board Channel High Power Subwoofer Dual Home Theater AC18V-24V DIY Supplies (1)

The board uses six disassemble amplifier tubes(used), 4 responsible for the left and right channels, the other two connected to BTL circuit for subwoofer use, wiring is very simple, especially for DIY.

Features:
Mini size, compact structure, full function and air-cooled heat dissipation.
Low frequency, fine sound quality, suitable for home or theater.
Large power is more stable, the board uses six disassemble amplifier tubes(used), 4 responsible for the left and right channels, the other two connected to BTL circuit for subwoofer use, wiring is very simple, especially for DIY.
Four chips, all-dimensional protect, air-cooling fin and heat transfer fan.
Boot delay and instantaneous shutdown.
Short circuit and overload protect.
Used prime NICHICON large capacitance make the sound exquisite and pleasant to listen to.

Specifications:
Type: A, B (optional)
Model: DX-2.1-3
Working Voltage: AC18V-24V
Output Power: 3 * 80W
Mega Bass Output: 120W
Right and Left Channel Output: 100W+100W
Frequency Response: 20HZ-30KHz
Distortion Factor: 1%
Item Size: 160 * 150 * 60mm / 6.3 * 5.9 * 2.4in
Package Size: 160 * 155 * 65mm / 6.3 * 6.1 * 2.6in
Item Weight: 280g / 9.9ounce
Package Weight: 330g / 11.6ounce

Note:
Please allow 1-3mm error due to manual measurement.
Due to the difference between different monitors, the picture may not reflect the actual color of the item.

PackingList:
1 * Power Audio Amplifier Board