TH quattro CHANNEL AMPLIFIER 4x260W Thesis amplifiers are born with the know-how and experience achieved with the HV venti, improved by the innovation of digital technology. The result is perfect combination between the highest level of analog technology and the advanced features of the digital technology in one unique product. The precious synergy with Full DA HD technology takes the in-car listening experience to new level of excellence the synthesis of unique know-how employed in mobile audio reproduction. TH quattro is four-channel amplifier fully adjustable and entirely manageable by the internal microprocessor, for limitless system configurations. Features Complementary differential circuitry with current mirror. Cascode Class driver with inverted complementary triplet power stages. Integrated 24-bit 192 kHz Hi-End DA converters. Compatibility with Audison Full DA HD technology and Hi-Res audio files listening certification. SPDIF and AD Link optical digital inputs that manage up to digital channels on RJ-45 connector. Dual Mono Construction featuring four power supplies in Synchro-PWM configuration. Sensitivity control featuring 256 steps resistive switching for resolution of 120 dB. Energy Saving, Hi-Current, Hi-AB Class, Class presets selectable in real time.