TDA2030A 14 Watt Hi-Fi Audio Amplifier

TDA2030A 14 Watt Hi-Fi Audio Amplifier
Price: $4.50
Datasheet: 

The TDA2030A is a single-channel, low-frequency class AB audio power amplifier.

It can deliver 14 Watts into a 4 Ohm load.

It comes in the 5-pin PENTAWATT package.