Ground Zero GZFA 4.100 (AB class) power amplifier (4-channel).

Ground Zero GZFA 4.100 (AB class, RMS 4x85 W x 2 Ohm) power amplifier (4-channel).

Ferrum amplifiers give a maximum bang for the buck. 
Simple and compact structure includes completely re-designed circuit board that is developed to get best possible sound quality, dependability and power for this price class. 
- High-quality class A/B amplifier 
- 2-ohms stable in stereo / 4-ohms stable in bridged mode 
- Variable high and low pass filter 
- High-level input with auto-on function 
- Adjustable input sensitivity 
- Turn-on delay & thermal protection circuit