QSC GX5

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$569.00 to $799.00 Price Tier: Standard

5.0 (1)

2 Critic Reviews

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1 wishlisted

5 saved

Page last updated Jun 28, 2026

Pricing and availability

We compare 600+ stores and found this item at 7 stores. Prices updated June 27, 2026.

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Reviews

Price

5.0 (35)

$699.99

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4.5 (27)

$699.99

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4.6 (91)

$799.00 Used

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4.0 (7)

$694.76 1 available New

$300.00 3 available Used

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4.6 (11)

$699.99

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4.7 (164)

$569.00

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£499.00

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Average Price: $638

Standard/Professional

$299

$1500+

Price Tier

In the Power Amplifiers category, QSC GX5 is priced in the Standard/Professional range. This is quality gear at a fair price point, suitable for beginners, hobbyists, and pros alike.

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Standard

High-end

Price History

Based on price data from 4 merchants for "QSC GX5". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

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Unleash the Power of Your Sound with the QSC GX5 Power Amplifier

The QSC GX5 power amplifier is here to redefine your sound experience. This impressive amplifier boasts a power output of 2 x 700W @ 4 Ohms, delivering a robust and crystal-clear sound that captivates your audience. Its versatile design includes Inputs: XLR balanced, 2x RCA, and a 6.3 mm stereo jack, making it compatible with a wide range of devices for flexible usage.

The QSC GX5 doesn't just amplify sound, it enhances it. With a frequency range of 20 - 20,000 Hz and a signal to noise ratio of 100 dB, this amplifier ensures that every note and beat is captured and amplified with utmost clarity. And with two gain controls, you have the power to fine-tune your sound to your exact specifications.

Beyond its superior sound quality, the QSC GX5 boasts some impressive features such as a switchable crossover and the unique GuardRail technology. This tech ensures optimal performance while preventing clipping and protecting your speakers from damage.

A power amplifier that delivers on all fronts, the QSC GX5 is a must-have for any serious musician or sound technician.

Key Features:

Power: 2 x 700 W @ 4 Ohm
Inputs: XLR balanced, 2x RCA and 6.3 mm stereo jack
Outputs: Speaker Twist combo jacks to 6.35 mm jack, 2 x binding posts
2 Gain controls
Frequency range: 20 - 20,000 Hz
Signal / noise ratio: 100 dB
Switchable crossover
GuardRail technology
Detachable power cable

Owner's manual

QSC GX5 User Manual

Product specs

Available since	April 2008
Power (4 Ohms) per Channel	700 W
Channels	2
Rack Units	2 U
Amp Class	Class H
2 Ohm stable	No
DSP/Crossover	Yes
Convection cooling	No
Width in mm	483 mm
Depth in mm	257 mm
Height in mm	89 mm
Weight	12,6 kg
Temperature controlled fan	1
Input XLR	1
RCA Input	1
Jack Input 6,3 sym.	1
Link Out	No
Output Speaker Twist	1
Output Binding Post	1

FAQs

What is the power output of the QSC GX5 amplifier?: The QSC GX5 delivers 700 watts per channel at 4 ohms and is designed for optimal performance with 500 watt (Program) speakers.
Can the QSC GX5 amplifier be used in bridged-mono mode?: No, the QSC GX5 does not support 2-Ohm or bridged-mono operation, as it is designed to be a cost-effective amplifier for standard stereo applications.
What type of cooling system does the QSC GX5 use?: The QSC GX5 uses a temperature-controlled fan for cooling, ensuring efficient heat management during operation.
How many channels does the QSC GX5 amplifier have?: The QSC GX5 is a two-channel power amplifier, suitable for stereo sound applications.
What type of input connections are available on the QSC GX5?: The QSC GX5 features XLR, RCA, and 6.3 mm jack inputs, providing versatile connectivity options for various audio sources.

Videos

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Reviews

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PROS

Robust build quality feels solid and durable
Excellent sound quality with clean and tight output
Great value for the price, offering professional features
Wide range of input options including phono, XLR, and jack
Reliable performance even under continuous use
Extended six-year warranty upon registration
Compact size allows for easy integration into setups
Built-in crossover for versatile audio applications
Consistent power output ideal for various setups
Trusted brand with a history of quality products

CONS

Noticeable fan noise may disrupt studio settings
Heavier than some modern amplifiers
Limited to one set of unbalanced RCA connections
Issues with speakon connector stability over time
Translated instructions are sparse and unclear

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about QSC GX5.

Setup and maintenance

0 0

Regular cleaning is crucial. Owners recommend pulling out and cleaning the amps every 6-12 months to prevent dust build-up and potential overheating.
Source
0 0

GX5 isn't ideal for 2.7 ohm loads; using two amps with an external crossover is recommended for better performance.
Source

User experience

0 0

Despite continuous 24/7 operation, a QSC GX5 manufactured in 2012 experienced a major failure, indicating potential age-related vulnerabilities in heavily used units.
Source

Use cases and applications

0 0

QSC GX5 amps are used in high-demand environments like houses of worship, where they run continuously alongside other network equipment.
Source
0 0

The GX5 can work with Peavey Messenger Pro subs due to their passive crossover maintaining a 4 ohm load, despite unconventional cab setups.
Source

Other

0 0

It's advisable to check the power supply with a multimeter after a failure to ensure safe operation, as catastrophic failures are rare but possible.
Source

Comparisons

0 0

The Peavey IPR 1600 struggles with 2 ohm loads, similar to GX5's limitations, making two amps a better choice for mixed speaker setups.
Source

Features and functionality

0 0

Peavey's built-in passive crossover keeps resistance at 4 ohms, enabling integration with GX5 in complex speaker configurations.
Source

Critic Reviews

Hands-On Review: QSC GX5 Power Amp - The Hub

musiciansfriend.com

The QSC GX5 Power Amp delivers impressive clarity and power at an affordable price, making it a standout choice for budget-conscious professionals. Its compact design and versatile connectivity options, including XLR and RCA inputs, ensure seamless integration into various setups. The built-in GuardRail technology and subwoofer/satellite crossover enhance performance, protecting gear while optimizing audio output. While the review is overwhelmingly positive, highlighting the GX5's reliability and suitability for live performances, it lacks a critical analysis of potential drawbacks. Overall, the GX5 is praised for combining high-end features with affordability, offering exceptional value to musicians and entertainers.

positive

Full Review

QSC GX5 Power Amplifier – FOH | Front of House Magazine

fohonline.com

The QSC GX5 Power Amplifier is hailed as a cost-effective solution for musicians, delivering solid power without skimping on performance. With a robust 700-watt rating at 4 ohms, it impressively handles various gig settings while maintaining cool operation and avoiding performance issues. The amplifier's design simplifies operation with intuitive controls and versatile input options. However, its reliance on conventional transformer-based power supplies adds to its weight. Despite this, the GX5 stands out for offering great value without compromising on quality, making it a strong contender against other budget amplifiers in its class.

positive

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5.0 out of 5

Based on 0 Reviews and 1 Rating

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Artist usage

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Buzz Osborne (aka King Buzzo)

Singer, Guitarist

Melvins

Verified via YouTube

if you go to 2:50 and look at the power amp on the left you can see it says "QSC" on it, and if you wait a few seconds after that they zoom in on it and it says "GX5".