Ground Zero GZTA 4230X-B

New 2020 Titanium-series amplifiers bring colour to the world of amplifiers. Two sets of end caps are included in delivery. If you want your amps to stand out, install yellow end caps. If you want to have more sophisticated look, install black ones.







Many improvements have been done to inside as well. Capacitors and transistors are even better than before. Floating bias makes sound much more open on smaller volume levels and reduces distortion on higher volume levels.







GZTA-amplifiers have been among the most popular ones in the market for a long time. It is easy to understand why, since these amps offer fantastic value for money. They have good sound quality, give nice amounts of power and last but not least they are very dependable.

4-channel amplifier with class A/B circuit, integrated activ crossover and efficient, anodized heatsink







2-ohms stable / 4-ohms stable in bridged mode



- Adjustable Bass Boost (@ 45 Hz)



- Adjustable crossover (HPF or LPF/BPF)



- HPF: 5 – 500 Hz



- LPF: 40 – 4000 Hz



- High pass filter usable as subsonic filter



- Active BIAS control (automatic)



- 4x RCA low level input



- Adjustable input sensitivity



- Soft delayed remote turn-on



- Large dimensional power wire terminal



- Thermal / short circuit / overload protection



- Operation / protection circuit indicator







4 Channel Class AB amplifier



4 x 140 WRMS @ 4 ohm



4 x 230 WRMS @ 2 ohm



max. Ausgangsleistung (CEA-2006A / 10%THD+N)



2x 550 Watts



Frequency Response 5 Hz – 38 kHz



Dimensions 230 x 476 x 53 mm. (EN)