Technical information:

- Require power supply 12VDC at least 1A

-  No speaker and power supply in the package

- Output power 8W Stereo ( 8W for LEFT and 8W for Right )

- S/N : 80dB

- Input sensitivity 150mV / 200kOhm

- Frequency response 20Hz - 20KHz ( -3dB )

- THD 0.1% @ 1W 4 ohm speaker

- PCB size : 2.36"  x 2.90" x 1.38"( Height )

- Overload and short-circuit protection in IC TDA2004

- Comes with the schematic and diagram how to connect

Download User Manual

More detail , youcan search the information of TDA2004 in google.com