TDA7377 2 x 30Watt Audio Amplifier

TDA7377 2 x 30Watt Audio Amplifier
Price: $7.50
Datasheet: 

The TDA7377 is a 2 x 30-Watt Dual/Quad Power Amplifier.

It can deliver 35 watts of audio power into a 2 channels @ a 4 Ohm load with 10% THD.

Or it can deliver 10 watts into 4 channels @ a 2 Ohm load

It comes in the 15-pin Mulitwatt package. See the Datasheet for more details.