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.