<p>Ground Zero GZRA 4HD amplifier of RADIOACTIVE line offer amazing high output power packed in a stylish titanium-colored heat sink, which offers a variety of suitable features for perfect audio customization. However, in a modern car environment, the installation space for an audio system could also be quite limited. For this reason, the RADIOACTIVE line also includes the smallest amplifiers GROUND ZERO has ever offered. The GZRA MICRO series amplifiers allow for an uncomplicated and space-saving installation and provide all the necessary filters for almost any sound concept imaginable. The classic retro design and the very compact dimensions of the Radioactive amplifiers Ground Zero GZRA 4HD &amp; GZRA 2HD do not even begin to guess what all is in them. 4-channel amplifier with Class AD circuitry with integrated broadband adjustable active crossover.</p>

TECHNICAL DATA

4-channel high power amplifier
Components in SMD technology
Class D technology
Variable active crossover with wide control range
Stabilized power supply
Generously dimensioned connections
Highly efficient heat sink
High level input with auto-on function

Output power (@ 4Ω) 4x 175 watts RMS
Output power (@ 2Ω) 4x 275 watts RMS
Output power (@ 4Ω) bridged 2x 550 watts RMS
max. output power (CEA-2006A / 10%THD+N) 2x 700 watts
Frequency response 10 – 250 Hz
HPF / LPF / BPF filter available
High level input / Auto-on
Dimensions (W x L x H) 186 x 268 x 52 mm.