Salcon 4440 IC D40 Audio Amplifier with Relay (240)

The 4440 IC D40 Audio Amplifier with Relay is a compact and reliable stereo amplifier board designed for clear sound output and safe operation in DIY audio projects. Delivering 19W + 19W stereo output, this amplifier is ideal for small to medium speaker setups in home audio, car audio, and portable systems. Built around the trusted LA4440, it ensures stable performance, low distortion, and efficient power usage.

Operating on a 12V DC power supply, this board is easy to integrate with battery-based and DC-powered systems. It comes with inbuilt speaker protection via relay, helping prevent turn-on/off noise and protecting speakers from damage. The integrated preamp section improves signal strength and audio clarity, while the onboard 5V supply output allows you to power additional modules like Bluetooth or tone control boards.

Designed for convenience and ease of use, this amplifier is perfect for DIY kits, beginners, and repair applications. Its compact layout and simple installation make it a practical choice for building or upgrading compact stereo sound systems.