The QSC RMX 5050a power amplifier is the perfect addition to any professional audio setup. With two channels and two inputs, this rack mountable amp delivers high-quality performance with its 2,500 watts per channel power output. Featuring QSC’s renowned brand quality, the RMX 5050a model is a top-of-the-line power amplifier that is perfect for use in various settings such as concerts, events, and recording studios. Its sleek and professional design is complemented by its durable construction, ensuring it will withstand the rigors of heavy use. With its exceptional power and superior sound quality, the QSC RMX 5050a is an excellent investment for any audio professional or enthusiast. Compact size – up to 2500 watts in two rack spaces, or 5000 watts in three rack spaces. High-current toroidal transformers, for greater 2-ohm power and low noise. Independent user-defeatable clip limiters reduce distortion. Selectable low-frequency filters (30 Hz or 50 Hz) protect speakers and increase headroom. The 4000-watt RMX4050a operates on a standard 15 amp plug (120V). Both the RMX4050a and the RMX5050a feature a dual mono, high-current power supply for increased reliability and performance. The RMX4050a’s particularly exceptional combination of cooling capacity and electrical efficiency provides robust thermal performance suitable for high continuous power in 2-ohm stereo or 4-ohm bridged applications. Balanced 1/4-inch (6.3 mm) TRS, XLR, and barrier strip inputs. Touch-proof binding post and Neutrik Speakon® outputs. Front mounted gain controls for easy access. Signal and clip LED indicators for monitoring performance. Independent DC and thermal overload protection on each channel automatically protects amplifier and speakers. Power per Channel, Stereo Mode (both channels driven). 8? , FTC 20 Hz-20 kHz, 0.1% THD. 8? , EIA 1 kHz, 0.1% THD. 4? , FTC 20 Hz-20 kHz, 0.1% THD. 4? , EIA 1 kHz, 0.1% THD. 500 W (0.5% tdD). 2? , FTC 20 Hz-20 kHz, 1% THD. 2? , EIA 1 kHz, 1% THD. 4? , EIA 1 kHz, 1% THD. 100 V Direct Drive, EIA 1 kHz, 1% THD. Signal to Noise (20 Hz-20 kHz). Input Sensitivity at 8? 1.15V (+3.4dBu). 1.23V (+4.0 dBu). 1.42V (+5.3 dBu). 31.6x (30 dB). Current Draw (120 V AC) Typical, 1/8 power pink noise at 4? Severe, 1/3 power pink noise at 4? 4.5 A 6.6 A. 6.0 A 9.6 A. 6.3 A 15.6 A. 10.0 A 20.1 A. 13.9 A 26.9 A. AC Mains Plug 100/120V 230V. Distortion (typical) 20 Hz-20 kHz, 10 dB below rated power 1 kHz and below, full rated power. 20 Hz-20 kHz: +0/-1 dB -3 dB points: 5 Hz and 50 kHz (LF filter bybassed, 8?). Damping Factor (1 kHz and below). > 300 at 8? > 250 at 8? 10 k? Unbalanced; 20 k? Balanced. 10 V rms (+22 dBu). 6.4 V rms (+18 dBu). Continuously variable speed fan, back-to-front air flow. Input: Active balanced; 3-pin Euro-style detachable terminal block and XLR (pin 2+) Output: Touch-proof binding posts; Neutrik Speakon®. Front: AC switch; Channel 1 & 2 gain knobs Rear: 10-position DIP switch. Power on: Green; Signal: Yellow (1 per channel); Clip/Protect: Red (1 per channel). Full short circuit, open circuit, tdermal, ultrasonic, RF protection. Stable into reactive or mismatched loads. Turn-on/off muting; AC coupling (850, 1450); Triac crowbar (1850HD, 2450, 4050HD, 5050) on each channel. 89 (2 RU) × 482 × 404 mm 3.5 (2 RU) × 19 × 15.9 in. 132 (3 RU) × 482 × 404 mm 5.25 (3 RU) × 19 × 15.9 in. 610 × 560 × 153 mm 24 × 22 × 6 in. 610 × 560 × 229 mm 24 × 22 × 9 in. 15.9 kg / 35 lb. 18.2 kg / 40 lb. 20.2 kg / 44.5 lb. 30.8 kg / 68 lb. 33.1 kg / 75 lb. 18.6 kg / 41 lb. 20.9 kg / 46 lb. 23 kg / 50.5 lb. 34.9 kg / 77 lb. 37.6 kg / 87 lb. 100, 120, 230 V AC (factory configured), 50-60 Hz.