GX Series amplifiers are ideal for professional entertainers who require maximum performance & portability on a limited budget. QSC designers, headed by Pat Quilter, have optimized output & appearance while reducing raw material cost & weight. Its all here – dramatic styling, easy hookup & adjustments, excellent audio quality & QSC reliability. Power levels matched to the most popular speakers used by entertainers Optimized for maximum real-world headroom into 4 ohm & 8 ohm speaker systems Inputs: XLR, 1/4" TRS & phono input connectors for compatibility with any source Outputs: Speakon combo accepts, 1/4" (TS) plugs or Speakon 2-pole & 4-pole plugs (connects 2 poles only). Binding posts support all other speaker wiring systems. Minimum depth chassis (10.1" / 257 mm) fits in compact, inexpensive effects racks Lightweight – GX3 & GX 5 less than 30 lbs (13.5 kg), GX7 only 15.5 lbs (7 kg) Detented gain controls for precise setting & matching of sensitivity Guard Rail™ automatically protects the amplifier & loudspeakers from damage due to temperature rise or overdrive without shutting down the show Front panel LEDs monitor Power, Signal & Clipping Subwoofer/ Satellite crossover built-in