Free 6-Year Extended Warranty Upgrade
Available for GX, RMX, PLX, PLX2 and PL2 series amplifiers and HPR series powered loudspeakers.
Click here to register your product or to learn more about the warranty
By simply registering your product online, we will upgrade your warranty to our 6-Year Extended Warranty (a $99 value) at no charge.
All you need to do is provide certain information to QSC including information about yourself, the products you use and how you use them.
Your information will never be distributed or sold to any other party.
GX Series
SPECIFICATIONS GX3 GX5
8 ohms / 1 kHz (both channels driven) 300 W 500 W
8 ohms / 1 kHz (single channels driven) 350 W 600 W
4 ohms / 1 kHz (both channels driven) 425 W 700 W
4 ohms / 1 kHz (single channels driven) 500 W 850 W
Distortion (typical)
20 Hz - 20 kHz, 1 dB below rated power
8 ohms: less than 0.05%
4 ohms: less than 0.1%
Signal to Noise (20 Hz - 20 kHz) 100 dB
Input Sensitivity 1.2 Vrms
Voltage Gain (8 ohms) 32.2 dB 34.4 dB
Output Circuitry Class B 2-tier Class H
Power Requirements (1/8 power, pink noise at 4 ohms, 120V) 6.3A 6A
Frequency Response 20 Hz - 20 kHz, +0, 1 dB
Dynamic Headroom (4 ohms) 2 dB
Damping Factor (8 ohms) 100
Input Impedance (ohms) Greater than 20k (balanced)
Maximum Input Level
+24 dB (16 Vrms)
Input Connectors (each channel) 3-pin XLR and 1/4" TRS, balanced, parallel
Phono, unbalanced
Output Connectors (each channel) Speakon, 1/4", Binding Posts
Amplifier and Load Protection Short circuit, open circuit, thermal, RF protection
Load protected against DC faults
Front Panel Controls and Indicators Gain controls, 21 detents
Red Clip LEDs, proportional, 0.1% THD threshold
Green Signal LEDs, threshold -35 dB
Blue Power LED, AC on
Rear Panel Controls Full Range / Crossover switch
100 Hz, 3rd order LP (sub), 2nd order HP (top)
Cordset
120V 50/60 Hz
230V 50 Hz
NEMA-15
Euro 16A
NEMA-15
Euro 16A
Dimensions Height: 3.5" (89 mm) 2RU
Width: 19" (483 mm)
Depth: 10.1" (257 mm)
Weight Net: 25 lbs (11.5 kg)
Shipping: 30 lbs (13.5 kg) Net: 26 lbs (12 kg)
Shipping: 31 lbs (14 kg)
Agency Approvals UL, CE, RoHS/WEEE Compliant
* At onset of clipping
