Quartorigo PRECISION TWO Monochannel Class A Amplifier - Precision Series Precision amplifiers are made for music lovers Heritage - alter ego of Class A, Precision amplifiers have razor-sharp accura...

Quartorigo EXPLORER.1 is the first amplifier created by the Just For Friends (JFF) program. Despite Quartorigo's twenty years of experience in manual amplifier design, and at least the same experienc...

Sinfoni Quartorigo PRECISION ONE 2-channel Class A amplifier, Precision Series, for high quality sound reproduction. Configurable in bridge mode with a power of 180 Watts. Power supply: 9-15 VDC Sta...

Sinfoni HERITAGE TWO two-channel high-performance amplifier for quality acoustic reproduction Technical specifications: Power supply: 9-15Vcc Standby current: <1.2A Input sensivity: 0.4-8V Input i...

DESIDERIO LA PRIMA - Exclusive high-end dual mono amplifier 325 watts x 2 @ 12 volt Amplifier with unique sound SINFONI DESIDERIO from the new LA PRIMA line. Very high-performance sound w...

PRODIGIO LA PRIMA - Amplificatore dual mono, classe A   Amplificatore dal suono unico SINFONI PRODIGIO della nuova linea LA PRIMA. Suono molto performante caldo dettagliatissimo, e’ dif...

PRESTIGIO LA PRIMA - Dual mono amplifier, class A Amplifier with unique sound SINFONI PRESTIGIO from the new LA PRIMA line. Very performing sound, warm, extremely detailed, it's hard to...

GRAVE TEMPO - Two-channel amplifier Amplifier with unique sound SINFONI GRAVE from the new TEMPO line. Very performant sound warm very detailed, it's hard to forget. GRAVE TEM...

ANDANTE TEMPO - Two-channel amplifier Amplifier with unique sound SINFONI ANDANTE from the new TEMPO line. Very performing sound, warm and highly detailed, it's hard to forget. ...

ALLEGRO TEMPO - Two-channel amplifier Amplifier with unique sound SINFONI ALLEGRO from the new TEMPO line. Very performing sound warm very detailed, it is hard to forget. ALLE...

PRESTO TEMPO - Two-channel amplifier Amplifier with unique sound SINFONI PRESTO from the new TEMPO line. Very performant sound, warm, extremely detailed, it's hard to forget it. ...

SOLO DEBUT - Two-channel amplifier - SOLO features an elegant and modern design, with titanium finish, aluminum and white leather. - SMD PCB design for improved heat dissipation. - Te...

RIFF ESORDIO - Two-channel amplifier - Riff features an elegant and modern design, with titanium finish, aluminum and white leather. - SMD PCB design for better heat dissipation. - Te...