What's in the box:

TPA3118 2.1 Channel Digital Stereo Subwoofer Power Amplifier Board 2*30W+60W DC12V-26V (color1)

The amplifier board adopts high quality TPA3118 digital amplifier chip as the core. Output power: 30W+30W+60W subwoofer, making it features high efficiency and high power.

Features:
Adopts high quality TPA3118 digital amplifier chip.
Sound quality is very good, high efficiency and low-heat.
2*30W+60W 2.1 channels(left/right channel and subwoofer channel).
Powered by DC 12-26V, wide input voltage.
User can adjust the volume by themselves easily.
Applicable speaker impedance: 4-8 ohm.
Just connect the power supply and loudspeaker box, enjoy the pure digital music!

Specifications:
Supply Voltage: DC 12-26V
Recommended Power Supply: 24V DC >5A
Chip Type: TPA3118
Channel Type: Left Channel, Right Channel, Subwoofer
Output Power: 30W*2 + 60W*1 Subwoofer
Output Match: 4/6/8 ohm
Audio Output: Terminals
Item Size: 95 * 85 * 25mm / 3.74 * 3.35 * 0.98in (L * W * H)
Item Weight: 96g / 3.4oz
Package Weight: 102g / 3.6oz

Package List:
1 * 2.1 Channel Amplifier Board