GZTA 4125X-B Amplifier – High Quality Class A/B Amplifier (4 Channels)

The GZTA 4125X-B is a 4-channel Class A/B amplifier that delivers excellent sound performance. It features a variable active crossover , bass boost , and an anodized heat sink to ensure clear and powerful sound, ideal for automotive systems that require high-quality audio.

Technical Specifications :

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  Model : 4-Channel Class A/B Amplifier


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  Channels : 4


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  Output Power (4Ω) : 4x 90 Watts RMS


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  Output Power (2Ω) : 4x 130 Watts RMS


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  Max Output Power (CEA-2006A / 10% THD+N) : 2x 320 Watts


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  Frequency Response : 5 Hz – 38 kHz


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  Crossover (HPF/LPF/BPF) : ● / ● / ●


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  Bass Boost Control : ●


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  Phase Switch : ○


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  High Level Input / Auto-on Function : ○ / ○


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  Remote Control : ○


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  BIAS Setting : ○


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  Linkmode : ○


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  Dimensions (W x D x H) : 230 x 396 x 53 mm / 9.06″ x 15.55″ x 2.09″

Features :

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  Class A/B technology for superior sound quality.


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  Variable active crossover for precise frequency adjustment.


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  Bass boost for deep, impactful sound.


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  High quality anodized heatsink with Ground Zero logo, ensuring durability and thermal efficiency.


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  High level input with auto-on function , allowing easy integration with other devices.


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  Remote control included, providing ease in adjusting parameters.

Advantages :

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  Power of up to 320 Watts in bridged mode, providing great sound impact.


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  Frequency response of 5Hz – 38kHz , covering a wide audio range.


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  Robust design with efficient heat sink, ensuring the best performance for longer.


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  Easy installation with several adjustment options to customize the sound of the system.