Ground Zero GZUA 4SQ 4 channel sq amplifier

Amplifier Ground Zero GZUA 4SQ

The completely new generation of URANIUM SQ amplifiers points to its main purpose with its designation. Many specific features such as Darlington power transistors and BURR-BROWN op amps and wideband BIAS control provide amazing SQ performance. Highly accurate and variable wideband filters form the basis for various combinations of passive or even fully active speaker setups. The BIAS setting affects the operating mode of the amplifier. Pure class A amplifiers sound warm and create a pleasant atmosphere. In comparison, Class A/B amplifiers provide a more direct and dynamic sound. The BIAS setting of the URANIUM SQ amplifiers is therefore adjustable over a wide range to suit customer requirements.

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Main features

• 4-channel SQ class A/B amplifier.
• Adjustable BIAS control.
• The latest BURR-BROWN® operational amplifiers.
• Darlington power transistors.
• Top quality audio capacitors.
• Variable high and low filters.
• Stabilized power supply.
• Ready for Start/Stop vehicles.
• Redesigned noble and stylish cooler.
• Gold-plated ends

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About the brand

Ground Zero is a traditional German manufacturer of car sound systems, whose offer includes a number of powerful subwoofers, many car speakers and dozens of amplifiers in various price categories, as well as cables and mounting material. Among other things, the Ground Zero Audio brand focuses on powerful subwoofers and finds its rock fans in competitions such as db Drag, etc.

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• Model Sound quality amplifier
• Channels 4
• Output Power (@ 4Ω) 4x 115 Watts RMS
• Output Power (@ 2Ω) 4x 185 Watts RMS
• max. Output Power (CEA-2006A / 10%THD+N) 2x 440 Watts
• Ouput power (@ 2Ω) bridged 2x 350 Watts RMS
• Frequency Response 10 Hz – 70 kHz
• HPF / LPF / BPF ● / ● / ●
• Bass Boost / Phase Shift ○ / ○
• High-Level Input / Auto-on ○ / ○
• Remote Control ○
• BIAS Setting ●
• Linkmode ○
• Dimensions (w x l x h) 209 x 360 x 48 mm / 8.23 x 14.17 x 1.89″