The TA-400MIC is an efficient, cost-effective choice for home hi-fi systems and commercial installations in restaurants, pubs, shops, conferencing rooms, fitness clubs for both background music, voice playback or karaoke systems. High and constant power is delivered by an oversized, audiophile grade toroidal transformer. The TA-400MIC integrated amplifier offers the finest music performance at this price level and perfect matching with most speakers available in the market. It utilizes advanced materials, state of the art engineering and innovate design by an international team of professional designers. It delivers pure and distortion-limited power as well as rich sound performance with stunning accuracy, soundstage and dynamics. - 2-Zone power stereo amplifier - Power two pairs of speakers (from 4 to 16?) - Power output All zones driven (power per zone): 2x20W RMS 8ohm - Power output One zone driven: 2x60W RMS 8ohm - Two speaker outputs (A and B) two-zone sound system - Manual volume, treble, bass regulations - Built-in Microphone Input with a mixing and echo control - USB Input - Play from USB flash drive (APE / FLAC / MP3 / WAV) - AUX 3.5 mm (1/8") Stereo Input on the front panel - Two RCA Stereo Input at the rear - Built-in headphone output - Preamplifier output dedicated for an external active speakers