This small Fosi Audio V1.0G integrated amplifier is an affordable, high-quality Class D stereo amplifier. It incorporates a TI TPA3116D2 amplifier chip enabling it to develop 2x50w @ 4Ω power. Its advanced circuit design makes it capable of driving speakers from 2Ω to 8Ω, and it features HP protection to preserve your speakers in the event of excessive load. Its compact size makes it perfect as a desktop amplifier for use with passive bookshelf speakers. It delivers clear, transparent sound, with guaranteed absence of noise during the quiet tracks of your favorite tunes. In terms of connectivity, it incorporates the essentials, with an RCA line input and speaker terminals for output. There's also a volume control potentiometer on the front panel.