Features: nn--The V1.0B Class D amplifier features two Texas Instruments TPA3116D2 chips for driving speakers in a stereo high-efficiency digital amplifier power stage with advanced oscillator/PLL circuitry and multiple switching frequency options to avoid AM interference. The high performance effectively improves output power and audio quality.n--The Mini Amplifier is small in size but delivers 50W per channel, giving you maximum impact while saving space. 19V power supply ensures plenty of power to drive most 2-8 ohm passive speakers for your audio system.n--Simple straightforward 2.0 CH Amp, built-in speakers protection circuit, solid aluminum chassis, the home Hi-Fi integrated amplifier create clear and clarity sound, no audible noise, dead silent when nothing is playing through it.n--Wonderful transparency and presence, with believable voices and instruments that have impact and resonance.