QSC RMX2450a | 500Watts 8 Ohm Two Channels Power Amplifier

The QSC RMX2450a is a high-performance power amplifier designed to deliver professional-quality audio with maximum efficiency. Offering 500 watts at 8 ohms with two channels, this amplifier is perfect for a wide range of applications including live performances, club installations, and studio use. With its compact 2-rackspace chassis, the RMX2450a combines powerful performance with space-saving convenience. Packed with a comprehensive set of features, this amplifier promises to meet the demands of serious audio professionals seeking reliability and superior sound quality at an affordable price.

The RMX2450a amplifier is engineered with high-current toroidal transformers which enhance 2-ohm power and minimize noise levels. Equipped with user-defeatable clip limiters and selectable low-frequency filters, the amplifier optimizes both sonic performance and speaker protection. You'll find the connectivity options to be versatile, including balanced XLR and 1/4 inch TRS inputs, Neutrik Speakon, and binding post outputs. Front-mounted gain controls allow for easy access and adjustments, while the signal and clip LED indicators help you monitor performance with precision.

Whether you are setting up for a small gig or a large event, the QSC RMX2450a ensures your sound system delivers high-fidelity audio with minimal distortion. Its robust construction features independent DC and thermal overload protection on each channel, safeguarding both the amplifier and your speakers. Add to this a 3-year warranty with an optional 3-year extended service contract, and you have a dependable, high-quality amplifier that you can trust for all your audio needs.

Key Features

• Compact 2-rackspace chassis
• High-current toroidal transformers for greater 2-ohm power
• Independent, user-defeatable clip limiters
• Selectable low-frequency filters (30 Hz or 50 Hz)
• Balanced XLR and 1/4 inch TRS inputs
• Neutrik Speakon and touch-proof binding post outputs
• Front-mounted gain controls
• Signal and clip LED indicators
• Independent DC and thermal overload protection
• 3-year warranty with optional 3-year extended service contract

Specifications

• 8 Ohms, FTC 20 Hz–20 kHz, 0.1% THD: 500 W
• 4 Ohms, FTC 20 Hz–20 kHz, 0.1% THD: 750 W
• 2 Ohms, EIA 1 kHz, 1% THD: 1200 W
• 8 Ohms, FTC 20 Hz–20 kHz, 0.1% THD: 1300 W
• 4 Ohms, EIA 1 kHz, 1% THD: 2400 W
• Signal to Noise (20 Hz–20 kHz): -100 dB
• Distortion (SMPTE-IM): <0.02%
• Input Sensitivity at 8 Ohm: 1.23V (+4.0 dBu)
• Voltage Gain: 50x (34 dB)
• Output Circuitry: 2 tier Class H
• Current Draw (120 V AC): Typical, 1/8 power pink noise at 4 Ohm: 6.3 A; Severe, 1/3 power pink noise at 4 Ohm: 15.6 A
• AC Mains Plug: NEMA 5-15
• Weight: Net: 44.5 lb (20.2 kg); Shipping: 50.5 lb (23 kg)
• Distortion (typical): 20 Hz–20 kHz, 10 dB below rated power: <0.03% THD, 4 Ohm and 8 Ohm; 1 kHz and below, full rated power: <0.03% THD, 4 Ohm and 8 Ohm
• Frequency Response: 20 Hz–20 kHz: +0/-1 dB; -3 dB points: 5 Hz and 50 kHz (LF filter bypassed, 8 Ohm)
• Damping Factor (1 kHz and Below): >300 at 8 Ohm
• Input Impedance: 10 k Ohm unbalanced; 20 k Ohm balanced
• Input Stage Clipping: 10 V rms (+22 dBu)
• Cooling: Continuously variable speed fan, back-to-front air flow
• Connectors (Each Channel): Input: Active balanced; 3-pin Euro-style detachable terminal block and XLR (pin 2+); Output: Touch-proof binding posts; Neutrik Speakon
• Controls: Front: AC switch; Channel 1 & 2 gain knobs; Rear: 10-position DIP switch
• LED Indicators: Power on: Green; Signal: Yellow (1 per channel); Clip/Protect: Red (1 per channel)
• Amplifier Protection: Full short circuit, open circuit, thermal, ultrasonic, RF protection. Stable into reactive or mismatched loads
• Load Protection: Turn-on/off muting; AC coupling (850, 1450); Triac crowbar (1850HD, 2450, 4050HD, 5050) on each channel
• Dimensions: 3.5 inch (8.9 cm) tall; 2 rack spaces
• Power Requirements: 100, 120, 230 V AC (factory configured), 50–60 Hz

Package Contents

• QSC RMX2450a Amplifier
• Power Cable with NEMA 5-15 Plug
• User Manual
• Warranty Information