Features :
Left and right channels (Satellite) Speaker: selection of 4 ohms (Ω) / 5W speaker tritone.
Bass (WOOFER) Speaker: selection of 4 ohms (Ω) / 10W-15W subwoofer.
Source: You can use PC, MP3, cell phone

Specification:
Name: DC 5V 20W 2.1 Channel 3D Surround Digital Stereo Class D Amplifier AMP Board
Power: DC5V / 2A
Left and right channels (Satellite) Speaker: selection of 4 ohms (Ω) / 5W speaker tritone.
Bass (WOOFER) Speaker: selection of 4 ohms (Ω) / 10W-15W subwoofer.
Source: You can use PC, MP3, cell phone.
Socket spacing:2.0mm
Product Description: DC 5V 20W 2.1 Channel 3D Surround Digital Stereo Class D Amplifier AMP Board
Size: 4.8x4.8cm/1.89x1.89inch
Quantity: 1 Set
Note:
Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid
Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!

Package Contents: 
1 x Amplifier Board
3 x 2P speaker wiring
1 x 3P audio input line
1 x 2P power cable
( speaker Does not include )#CRE #5V #20W #2.1 #Dual #Channel #3D #Surround #Digital #Stereo #Class #D #Amplifier #AMP #Board