Ground Zero Reference 4SYM

’- High-End pure sound quality amplifier

– 1 Ohm stabile stereo / 2 Ohm bridged

– Symmetrical dual-2 channel layout

– Shielded and separated dual power supply

– Continuously variable Bias Setting Class AB – nearly Class A

– Highpass / Subsonic adjustable 40 – 3000 Hz

– Lowpass adjustable 40 – 3000 Hz

– Bandpass adjustable 40 – 3000 Hz

– Bypass-function to switch-off each filters out of operation

– Adjustable input sensitivity

– Soft delayed remote turn-on

– Power & Protection indicator

– Thermal, over current, speaker short, Speaker DC protection

– Temperature-sensitive controlled fan

– Plexiglas bottom plate

– White LED illumination inside

– Selected high-end SANKEN® transistors

– Ground Zero exclusive Mundorf Mcap® capacitors

– Copper anodized aluminum strand cast heatsink

Output Power @ 4 Ohm (CEA*)4 x 150 W

Output Power @ 2 Ohm (CEA*)4 x 270 W

Output Power @ 1 Ohm (CEA*)4 x 425 W

Bridge mode @ 4 Ohm (CEA* / 10% THD)2 x 650 W

Bridge mode @ 2 Ohm (CEA* / 10% THD)2 x 1000 W

Lowpass40 – 3000 Hz

Highpass40 – 3000 Hz

Bandpass40 – 3000 Hz

Subsonic40 – 3000 Hz

Dimensions 59 x 6,75 x 23,6 cm