The Fosi Audio BT20A features Bluetooth 5.0 connectivity, Class D amplification, and comprehensive audio capabilities. This compact amplifier delivers reliable performance with practical features.

The Sub Mini combines practical features with premium sound quality. The force-canceling woofer design eliminates buzz and rattle, while the Class-D amplifiers provide powerful bass down to 25Hz.

An enhancement of the Class G amplifier in which the power supply voltage is modulated and always slightly higher than the input signal. Class D is a digital-like amplifier that works by turning a ...