QSC RMX Power Amplifier

Power your speakers with the QSC Power Amplifiers!

These compact size and QSC power makes it the perfect addition to your sound equipment. They feature front mounted gain control for easy access. Plus Independent DC and thermal overload protection on each channel automatically protects amplifier and speakers. Each amplifier has a standard 3 year warranty!

Available in 200 Watts (A8RMXA), 280 Watts (A14RMXA), 500 Watts (A24RMXA), 850 Watts (A40RMXA) or 1100 Watts (A50RMXA).

Availability: Will arrive in 7-10 Business Days

SKU

QSC RMS PW AMP - PARENT

Image

SKU

Product

Price

Qty

A8RMXA

QSC RMX 850A Power Amplifier

$449.99

A14RMXA

QSC RMX 1450A Power Amplifier

$599.99

A24RMXA

QSC RMX 2450A Power Amplifier

$699.99

A40RMXA

QSC RMX 4050A Power Amplifier

$1,499.99

A50RMXA

QSC RMX 5050A Power Amplifier

$1,699.99

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Details

Power your speakers with the QSC Power Amplifiers!

Available in 200 Watts (A8RMXA), 280 Watts (A14RMXA), 500 Watts (A24RMXA), 850 Watts (A40RMXA) or 1100 Watts (A50RMXA).

More Information

SKU

QSC RMS PW AMP - PARENT

Availability

Will arrive in 7-10 Business Days

MPN

QSC RMS PW AMP - PARENT

Features

Professional quality performance—incorporates road-proven QSC designs
The 4000 watt RMX 4050a operates on a standard 15 amp plug (120V)
Both the RMX 4050a and RMX 5050a feature a dual mono, high-current power supply for increased reliability and performance
The RMX 4050a provides improved thermal performance yielding higher continuous power in 2 ohm stereo or 4 ohm bridged applications.
Compact size — up to 2500 watts in 2 rack spaces or 5000 watts in 3 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
Balanced 1/4” (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 to monitor performance
Independent DC and thermal overload protection on each channel automatically protects amplifier and speakers
3-year warranty plus optional 3-year extended service contract

Technical Specifications

	RMX 850a	RMX 1450a	RMX 2450a	RMX 4050a	RMX 5050a
Stereo Mode (both channels driven)	185 W	260 W	450 W	800 (650**) W	1050 W

8Ω/ FTC 20 Hz – 20 kHz / 0.1% THD	200 W	300 W	500 W	850 W	1100 W

8Ω/ EIA 1 kHz / 0.1% THD	280 W	400 W	650 W	1300 W	1600 W

4Ω/ FTC 20 Hz – 20 kHz / 0.1% THD	300 W	500 W (0.5% THD)	750 W	1400 W	1800 W

4Ω/ EIA 1 kHz / 0.1% THD	–	–	–	1600 W	2000 W

2Ω/ FTC 20 Hz – 20 kHz / 1% THD	430 W	700 W	1200 W	2000 W	2500 W

2Ω/ EIA 1 kHz / 1% THD
Bridge-Mono Mode	530 W	800 W	1300 W	2600 W	3200 W

8Ω/ FTC 20 Hz – 20 kHz / 0.1% THD	600 W	900	1500 W	2800 W	3600 W

8Ω/ EIA 1 kHz / 0.1% THD	830 W	1400 W	2400 W	4000 W	5000 W

4Ω/ EIA 1 kHz / 1% THD
Signal to Noise (20 Hz – 20 kHz) 8Ω	> -100 dB	> -100 dB	> -100 dB	> -100 dB	> -100 dB
Distortion (SMPTE-IM)	< 0.01%	< 0.01%	< 0.02%	< 0.02%	< 0.02%
Input Sensitivity at 8Ω	1.15V (+3.4dBu)	1.15V (+3.4 dBu)	1.23V (+4.0 dBu)	1.42V (+5.3 dBu)	1.42V (+5.3 dBu)
Voltage Gain	31.6x (30 dB)	40x (32 dB)	50x (34 dB)	64x (36 dB)	64x (36 dB)
Output Circuitry	Class AB	Class AB	2-tier Class H	3-tier Class H	3-tier Class H
Power Requirements	4.5 A	6.0 A	6.3 A	10.0 A	13.9 A

Typical, 1/8 power pink noise at 4Ω*	6.6 A	9.6 A	15.6 A	20.1 A	26.9 A

Severe, 1/3 power pink noise at 4Ω*
Supplied Plug Type, 100/120V	NEMA 5-15	NEMA 5-15	NEMA 5-15	NEMA 5-15	NEMA 5-20
Supplied Plug Type, 230V	CEE7/7	CEE7/7	CEE7/7	CEE7/7	CEE7/7
Weight	35 lb (15.9 kg)	40 lb (18.2 kg)	44.5 lb (20.2 kg)	68 lb (30.8 kg)	75 lb (33.1 kg)

Net	41 lb (18.6 kg)	46 lb (20.9 kg)	50.5 lb (23 kg)	77 lb (34.9 kg)	87 lb (37.2 kg)

Shipping
Distortion (typical)
20 Hz – 20 kHz: 10 dB below rated power	< 0.03% THD / 4Ωand 8Ω			< 0.02% THD / 4Ωand 8Ω
1.0 kHz and below: full rated power	< 0.03% THD / 4Ωand 8Ω			< 0.02% THD / 4Ωand 8Ω
Frequency Response	20 Hz – 20 kHz: +0/-1 dB -3 dB points: 5 Hz and 50 kHz (LF filter bybassed / 8Ω)
Damping Factor (1 kHz and below)	> 300 at 8Ω			> 250 at 8Ω
Input Impedance	10k ohms unbalanced / 20k ohms balanced
Input Clipping	10 Vrms (+22 dBu)			6.4 Vrms (+18 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 / Ch. 1 & 2 gain knobs
	Rear: 10-position DIP switch
Indicators	Power-on: Green LED / Signal: Yellow LED (1 per channel) / Clip: Red LED (1 per channel) \| Protect: Red LED
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” (8.9 cm) tall / 2 rack spaces			5.25” (13.3 cm) tall / 3 rack spaces
Power Requirements	100, 120, 230 VAC, 50 – 60 Hz (factory configured)

Dimensions

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