GZPA Reference 4PURE-SQ Amplifier - 4 Channels High-End (SQ)

The Ground Zero GZPA Reference 4PURE-SQ is a high-performance 4-channel amplifier designed to satisfy the most demanding listeners. Featuring a symmetrical layout and Class AB technology, this amplifier provides a pure direct signal path for exceptional sound quality. Equipped with exclusive components such as rhodium-plated RCA sockets and a custom heatsink with LED lighting, it ensures superior performance and a sophisticated look for your audio system.

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General Specifications :

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  Model : SQ High-End 4-Channel Amplifier


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  Channels : 4


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  Output Power (@ 4Ω) : 4x 150 Watts RMS


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  Output Power (@ 2Ω) : 4x 270 Watts RMS


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  Output Power (@ 1Ω) : 4x 425 Watts RMS


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  Max Power (CEA-2006A / 10% THD+N) : 2x 1000 Watts


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  Frequency Response : 5 Hz – 38 kHz


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  Crossovers (HPF / LPF / BPF) : No / Yes / Yes


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  Bass Boost / Phase Switch : Yes / Yes


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  High Level Inputs / Auto-on : Yes / Yes


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  Remote Control : Yes


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  Link Mode : No


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  Dimensions (W x D x H) : 236 x 590 x 67.5 mm / 9.29 x 23.23 x 2.66″

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Additional Features :

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  Symmetrical Layout : Provides balanced and faithful audio signaling, minimizing distortion and interference.


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  Class AB Technology : Provides high efficiency and sound clarity while maintaining low distortion.


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  Pure Direct Signal Path : Ensures the signal travels the cleanest path without alteration.


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  Exclusive High-Quality Components : Top-quality components for an unbeatable sound experience.


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  Rhodium Coated RCA Sockets : High quality connectors that minimize losses and improve audio transfer.


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  Exclusive Heat Sink with LED Lighting : High performance design and sophisticated look.


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  Acrylic Bottom Plate with LED Lighting : Modern aesthetics complement performance.

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Highlights :

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  425 Watts RMS per Channel (@ 1Ω) : Plenty of power for clear, punchy sound in any situation.


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  5 Hz – 38 kHz Frequency Response : Ideal for high fidelity reproduction, ensuring accurate reproduction of the entire sound range.


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  Uncompromising Sound Quality : A top-notch amplifier, perfect for audiophiles seeking excellence.