Description:
Product Description
The QSC RMX2450A is a professional 2-channel audio amplifier designed for live sound reinforcement and professional audio applications. With 500W power per channel at 8Ω, 750W power per channel at 4Ω, 1200W power per channel at 2Ω, 2400W bridged mode at 4Ω mono, 1500W bridged mode at 8Ω mono, Class H amplification, high-current toroidal transformer, independent clip limiters per channel, selectable 30Hz/50Hz low-frequency filters, 20Hz-20kHz frequency response, THD <0.02%, 100 dB SNR, XLR, 1/4" TRS and barrier strip inputs, Speakon and binding post outputs, 2RU rack, less than 16" deep, optimized cooling fan, DC and thermal protection, signal and clip LED indicators, 20.2 kg (44.5 lbs) weight, 482 x 404 x 89mm (19 x 15.9 x 3.5") dimensions, 3-year limited manufacturer warranty, sold by the unit, the QSC RMX2450A is the perfect solution for professional amplification of medium to large-scale sound systems.
Class H Amplification: Superior Power and Efficiency
High-Current Toroidal Transformer
The QSC RMX2450A features:
- Class H amplification: Efficiency superior to Class AB
- High-current toroidal transformer: Lower noise and better performance
- 500W power at 8Ω: Robust performance at standard impedance
- 750W power at 4Ω: Increased power at low impedance
- 1200W power at 2Ω: Extreme load capacity
Bridged Mode: 2400W Amplified Mono Power
2400W Mono at 4Ω for Maximum Power
The QSC RMX2450A offers:
- 2400W bridged mode at 4Ω: Extreme amplified mono power
- 1500W bridged mode at 8Ω: High impedance option
- Channel combination: Double power in mono
- Configuration versatility: Stereo or mono as needed
- Powerful sound reinforcement: For demanding applications and large spaces
Compact Chassis: Power in Minimal Space
2 Rack Spaces, Less Than 16" Deep
The QSC RMX2450A provides:
- 2RU rack format: Minimal rack space
- Depth <16": Compact installation
- Up to 2400W in 2 spaces: Superior power density
- SMT technology: High-density components
- Optimized cooling: Output devices mounted directly to heatsink
Clip Limiters: Distortion Protection
Independent Control per Channel
The QSC RMX2450A includes:
- Independent clip limiters: One for each channel
- Distortion reduction: Automatic protection against clipping
- Switchable: Enable/disable as needed
- Driver protection: Especially for high frequencies
- Clean sound: Even under overload conditions
Low-Frequency Filters: Speaker Protection
Selectable 30Hz or 50Hz per Channel
The QSC RMX2450A offers:
- Selectable low-cut filters: 30Hz or 50Hz
- Over-excursion prevention: Protects speaker cones
- Increased power availability: For nominal frequency range
- Distortion reduction: Less load on the amplifier
- Independent control: Each channel configurable
Technical Specifications
| Specification | Detail |
|---|---|
| Model | QSC RMX2450A |
| Type | Professional audio amplifier |
| Channels | 2 channels |
| Amplification Class | Class H |
| 8Ω Stereo Power | 500W per channel (EIA 1kHz) |
| 4Ω Stereo Power | 750W per channel (EIA 1kHz) |
| 2Ω Stereo Power | 1200W per channel (EIA 1kHz) |
| 8Ω Bridged Mono Power | 1500W |
| 4Ω Bridged Mono Power | 2400W |
| Frequency Response | 20Hz - 20kHz |
| THD (Total Harmonic Distortion) | <0.02% (typical) |
| SNR (Signal-to-Noise Ratio) | 100 dB (20Hz-20kHz, 8Ω) |
| Input Sensitivity | 1.23V at 8Ω |
| Voltage Gain | 50x (34 dB) at 8Ω |
| Transformer | High-current toroidal |
| Clip Limiters | Independent per channel, switchable |
| Low-Cut Filters | Selectable 30Hz or 50Hz per channel |
| Inputs | XLR, 1/4" TRS, Barrier Strip |
| Outputs | Speakon (NL4), Binding Posts |
| Front Controls | Independent gain per channel |
| LED Indicators | Signal, Clip |
| Protections | DC, Thermal, Short circuit |
| Cooling | Optimized fan |
| Rack Format | 2 RU (Rack Units) |
| Depth | Less than 16" (404mm) |
| Width | 482mm (19") |
| Height | 89mm (3.5") |
| Weight | 20.2 kg (44.5 lbs) |
| Power Input | 100/120/230 VAC, 50/60Hz |
| Warranty | 3-year limited manufacturer warranty |
| Sales | By the unit |
Ideal For
The QSC RMX2450A is ideal for medium to large-scale live sound reinforcement systems, audio installations in concert halls and theaters, churches and religious spaces, corporate events and conferences, clubs and entertainment venues, sound installations in restaurants and bars, recording studios with high-power monitoring, individuals seeking professional amplification with maximum power in minimal space, users who require versatile power across different impedances, sound technicians who value Class H efficiency, and any application requiring professional audio amplification with superior power, clarity, and reliability.