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 a 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 a new level of excellence; the synthesis of a unique know-how employed in mobile audio reproduction.

TH quattro  is a four-channel amplifier fully adjustable and entirely manageable by the internal microprocessor, for limitless system configurations.