The TDA2030 is a popular low-frequency audio power amplifier IC used in audio amplifier circuits, especially in home audio systems and DIY speaker projects.
 
Key Specifications
Type: Class AB Audio Amplifier IC
Output Power:
Up to 14W on ±14V dual supply
Around 8W on a single 12V supply
Supply Voltage: ±9V to ±18V (dual) or 9V–36V (single)
Frequency Response: 20 Hz – 20 kHz (audio range)
THD (Total Harmonic Distortion): ~0.5%
Load Impedance: 4Ω or 8Ω speakers
Package: 5-pin TO-220
Thermal Protection: Built-in short-circuit and overload protection