Professional power amplifier, 4 amplified channels with ATR (Accelerated Transient Response) 300 watts of power: 4 x 75 watts at 4 ohms and 4 x 50 watts at 8 ohms, ultra light, ultra low noise and ultra efficient power supply mode switchable for noise-free audio, superior transient response and low power consumption, independent limiters for each channel provide maximum output level with reliable overload protection, detented gain controls for fine tuning and sensitivity adjustment, XLR inputs, 1/4” TRS and professional speaker connectors, independent DC protection and thermal load protection on each channel that automatically protects the amplifier and speakers without interrupting the show, “back-to-front” ventilation system that includes a filter of air for reliable operation, single rack unit steel chassis, impact resistant, dimensions: 49 x 482 x 265 mm, weight: 4.7 kg.