GZHA MINI FOUR 4-channel class D compact amplifier 640 Watts 4-channel amplifier with high efficient class D circuit, integrated activ crossover and compact dimensions Compact sized 4-channel amplifier SMD components Class D technology Variable active crossover and bass boost, phase shift Stabilized power supply Large terminals Solid heatsink with engraved Ground Zero lettering High-level input with auto-on function Model Class D compact amplifier Channels 4 Output Power (@ 4Ω) 4x 80Watts RMS Output Power (@ 2Ω) 4x 130 Watts RMS max. Output Power 640 Watts Frequency Response 5 Hz – 38 kHz HPF / LPF / BPF ● / ● / ● Bass Boost / Phasenregelung ○ / ○ High-Level Input / Auto-on ● / ● Remote Control ○ BIAS Setting ○ Linkmode ○ Dimensions (b x l x h) 135 x 210 x 52 mm

GZHA MINI ONE 1-channel class D compact amplifier 750 Watts 1-channel subwoofer amplifier with high efficient class D circuit, integrated activ crossover and compact dimensions Compact sized mono amplifier SMD components Class D technology Variable active crossover and bass boost, phase shift Link mode (for two amplifiers) Stabilized power supply Large terminals Solid heatsink with engraved Ground Zero lettering Bass remote control included High-level input with auto-on function Model Class D compact amplifier Channels 1 Output Power (@ 4Ω) 220 Watts RMS Output Power (@ 2Ω) 390 Watts RMS Output Power (@ 1Ω) 630 Watts RMS max. Output Power 750 Watts Frequency Response 10 – 250 Hz, 10 – 250 Hz HPF / LPF / BPF ● / ● / ● Bass Boost / Phasenregelung ● / ● High-Level Input / Auto-on ● / ● Remote Control ● BIAS Setting ○ Linkmode ● Dimensions (b x l x h) 135 x 210 x 52 mm

GZUW-12SQX Subwoofer Strong paper cone Dual voice coil 2 x 2 Ohm Audiophile POLYCOT spider Diameter 300 mm / 12" Voice coil 50 mm Runddraht / 2" Round wire Power Handling 600 WRMS Impedance 2 x 2 Ohm SPL 87,4 dB Fs 38.6 Hz

GZPA Reference 4XS Amplifier 4 Channel High End amplifier - 1000 Watt Max - High End audio-transistors, Elna and Mundorf MCap® capacitors - Burr Brown IC’’s for outstanding sound quality - Powerful shielded dual power supply, with extremely less interference - Variable bias setting to adjust the bias from normal class AB to nearly class A operation - The smoked plexiglas bottom with white LED illumination allowas to see the impressive PCB

GZPA Reference 2PURE Amplifier 2 Channel High End amplifier - 2700 Watt Max - High-End pure sound quality amplifier - 1 Ohm stabile stereo / 2 Ohm bridged - Symmetrical dual-mono direct-signal layout - Shielded and separated dual power supply - Continuously variable Bias Setting Class AB -> nearly Class A - 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 - High quality Rhodium RCA plugs - Selected high-end SANKEN® transistors - Low distortion LM4562 OP with 0.00003% THD+N - Ground Zero exclusive Mundorf Mcap® capacitors - Special made audio-optimized Mundorf secondary capacitors for maximum buffering - Capsuled ALPS potentiometers with channel separated level adjustment and summarize-function - Low-tolerance Vishay Dale emitter-resistors for accurate bias point stabilization - Copper anodized aluminum strand cast heatsink