Item #: QSC PLX3602 LIST

QSC PLX3602 1250 Watt 2 Channel Lightweight Power Amplifier

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MSRP: $1,829.99
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Product Description

The QSC PLX3602 Lightweight Power Amplifier is capable of up to 3600 watts of power yet weighs a mere 21 pounds. The PLX3602 is part of the QSC PLX2 series, a range of premium quality, high-power amplifiers designed for the most demanding live performance uses. Built on the third generation of QSC PowerLight technology, PLX2 amplifiers combine light weight, superlative audio quality and proven QSC reliability. With power ratings up to 3600 watts, the QSC PLX3602 Lightweight Power Amplifier is capable of providing plenty of clean, undistorted output to the most power hungry speaker systems.

Purchase a PLX Series Amplifier from AMS and Recieve QSC's
QSC 6 Year Extended Warranty
after registering your product at

Two ways to get PLX2 performance
The PLX 02 models (PLX1802, PLX2502, PLX3102 and PLX3602) are the right choice for users who need to drive up to four loudspeakers from each amplifier channel (2 ohm loading), or when extremely high power bridge mono operation is required. These models feature built-in subwoofer processing, filter switches, and front panel indications of bridge mono status.

QSC PLX2 Series Features
  • Compact light weight design (21 lbs/9.5 kg)
  • Cooling design exhausts hot air out the front, keeping the rack cool.
  • Flow-through heat sinks require no filters that could become clogged
  • Front panel LED (power, clip, -10 dB, bridge/parallel and signal indicators
  • Speakon NL4 and binding post outputs
  • Ch 1 output uses all 4 wires for single-cable connection to bi-amplified speakers
  • 21-position front-panel gain controls for precise, repeatable amplifier adjustment
  • Balanced XLR inputs with parallel TRS connectors (loop-through operation support)
  • Patented PowerLight power supply technology with other patents pending
  • 100 Hz high pass and low pass filters for bi-amping without an external crossover
  • Switchable/defeatable 33 Hz infrasonic filters protect from over-excursion damage
  • Switchable/defeatable clip limiters
  • Power rating up to 3600 watts bridged @ 4 ohms
PLX2 series amplifiers have the refined, rugged good looks usually associated with high performance racing cars, competition bikes, professional power tools, and high power machinery. A solid, cast-aluminum front panel adds professional style to any rack while also acting as an integral I-beam, rigidly tying the chassis together for years of on-the-road reliability.

Additional mechanical touches such as the side stiffening rails, rear rack ears and cable tie anchor points attest to QSC's years of experience and attention to detail. QSC has even designed the integrated front handles so the amplifier slides into a rack without scraping the installers fingers on the rack sides. The exterior appearance of PLX2 amplifiers conveys what's inside, simply and truly, 13 to 21 pounds of the most advanced professional power amp on the planet.

PowerLight Technology
PowerLight switchmode technology replaces a large, heavy AC transformer (typically 20 lbs/9 kg) with a highly efficient and lighter-weight active design. Conventional AC transformers provide 60 energy pulses per second. The PowerLight supply delivers 100,000 pulses per second. More pulses make it easier to provide on-demand power for the amplifier's output section. The power supply doesn't sag so bass notes stay full and powerful while the high end remains crisp and clean.

Audio Quality
PLX2 audio power circuitry achieves performance normally associated with studio reference amplifiers. In order to reduce crossover distortion, precision bias tracking makes minute adjustments as amplifier temperature changes. The benefit is cleaner high-frequency and more consistent sound no matter how hard the amplifier is driven. The higher power models use QSC-exclusive class H output circuitry, a form of audio turbocharging that increases maximum power without affecting the basic audio quality.

See all items from QSC
Helpful Info about the Manufacturer
Phone:  800-772-2834 Warranty:  3 Years; 1 Year on TouchMix; B-Stock is 1 (one) Year only!

Product Specifications

Product Specifications
QSC PLX3602 Power Amplifier Specifications
    Power (Stereo Mode) (both channels driven)
    • 8 Ohms FTC 20 Hz - 20 kHz 0.05% THD: 725 Watts
    • 8 Ohms EIA 1 kHz 0.1% THD: 775 Watts
    • 4 Ohms FTC 20 Hz - 20 kHz 0.05% THD: 1100 Watts
    • 4 Ohms EIA 1 kHz 0.1% THD: 1250 Watts
    • 2 Ohms EIA 1 kHz 1% THD: 1800 Watts
    Power (Bridge Mono Mode)
    • 8 Ohms 20 Hz - 20 kHz 0.1% THD: 2500 Watts
    • 8 Ohms EIA 1 kHz 0.1% THD: 2600 Watts
    • 4 Ohms 1 kHz 1% THD: 3600 Watts
  • Signal to Noise (20 Hz - 20 kHz): > -107 dB
  • Input Sensitivity at 8 Ohms: 1.25 Vrms
  • Voltage Gain at 8 Ohms: 36 dB
  • Output Circuitry: 2-Step Class H
  • Power Requirements: 11.5A/120V (1/8 power, pink noise at 4 Ohms)
  • Distortion (SMPTE-IM): < 0.02%
  • Distortion (typical): 20 Hz - 20 kHz
    • 1/8 Rated Power: < 0.02%
    • Full Rated Power: < 0.02%
  • Damping Factor: > 500
  • Input Impedance: 10k ohms unbalanced/20k ohms balanced
  • Input Clipping: 11 Vrms (+21 dBu)
  • Cooling: Variable-speed fan, rear-to-front air flow
  • Input Connectors: (2) 3-pin XLR and (2) 1/4 inch TRS balanced, parallel
  • Output Connectors: Neutrik NL4 Speakon and touch-proof binding posts
  • Amplifier Protection:
    • Full short circuit, open circuit, thermal, infrasonic, ultrasonic, and RF protection.
    • Stable into reactive or mismatched loads
  • Load Protection: On/Off muting, DC-fault power supply shutdown
  • Dimensions:
    • Height: 3.5 inches (8.9 cm) - 2 rack units
    • Width: 19 inches (48.3 cm)
    • Depth: 12.8 inches (32.6 cm) rack mounting surface to rear
    • Overall Depth: 14.875 inches (37.9 cm)
  • Weight: 21 pounds (9.5 kg)
  • Agency Approvals: CCC, CB, CE, FCC, KETI, cUL, UL

Customer Reviews

Alkie Submitted: 7/24/2018
Product Rating
Serious power!
Product Rating
What is your opinion of this product?
This amp is great! Simple to use, and lightweight. Nice, professional looking design. The switches and knobs all feel like good quality. I used it on subs, and instantly had a tight and solid low end. Very happy with this QSC!
Jay Browne Submitted: 5/12/2014
Product Rating
Tried and true powered amp!
Your general opinion of this product.
I bought 2 of these amps from AMS one in 2008 and in 2010 and I have not had any issues with them. Originally I bought one for tops and the other for bottoms but now I use them both for the lows. They work well even into low impedances.
I love this amp. I've played subs bridged in 4 ohms as well as subs at a 2.6 ohm load on both channels. I've used both amps outside with a 6500 watt generator with very little problems.
The amps is easy to use. The functions are pretty much straight forward. You have switches in the back that can be used for filters as well as clip prevention.
The best feature about this amp is that you can control both channels using one speakon output (channel 1 output).
For the price, you can't beat it.
John Gibson from Brookings Sd usa Submitted: 4/30/2014
Product Rating
Great amp!
Your general opinion of this product.
I needed an amp with more power with real specs unlike certain popular cheap brands.This thing delivers plenty of head room and no clipping.Qsc are the best amps in my opinion and have been completely satisfied love how the board is built upside down so it doesn't collect dust.Quiet enough and powerful
built like a tank yet light weight
manual was easy to understand
like I said I like how the guts are built upside down so dust doesn't collect
in your face
Sound Engineer from Vermont Submitted: 6/30/2013
Product Rating
Clean power and EZ on the back
Your general opinion of this product.
I own 3 of these and power JBL Speakers... Great product with Enough power to spare
I have NEVER had 1 go out on me even when I use them outdoors on a summer day... 8-9 hours of kicking tail and no loss of quality
Ramon Ruiz from Sabinal, TX Submitted: 4/22/2013
Product Rating

the best amp
Very light with a lot of power
i wouldnt add anything to it QSC really knows what there doing
simply and easy to use
the best sound ever
Your general opinion of this product.
good enough for me to get me another one
Thomas Blackwood from Sunbury Ohio, USA Submitted: 4/21/2012
Product Rating

The BEST amp EVER made ! ! ! ! !
Iv'e had know problems with the one I have, and I crank mine up 2 the fullest, -35 db's. It's build billet tough!!!!
How light it is.I would put 2 big UV meters 4 looks.
A kid could set it up.
Sound great, Best Iv'e every heard!!!
Jimmy Lee from Los Angeles, Ca, anonmyous40267 Submitted: 8/7/2011
Product Rating

Like a German Tank! .....It's the best ever!
Everything from start to finish!
Very Simple...and QSC has great support that don't have you waiting for years on the phone! A great support company hands down!
Top Notch! .... Nothing on this earth could even come close!
Shane Bushman from Palm Beach, FL Submitted: 6/9/2011
Product Rating

Wow. It really DOES make a difference. Best amp in its' class!
Absolutely tops. I could not believe there was so much increase in detail and focus compared to my Behringer EP2500. I thought the Behringer sounded great.
Light weight. Tons of power. Crystal clear. The faceplate is brittle though, and will break if you move the rack without mounting it in the rear too. you need to order a rear rack kit, and rear rack rails for your rack to do this. Bummer. The other amps I've used had sheet metal rack ears that were string enough to carry the amp and then some without breaking. QSC uses cast aluminum which breaks (it can't bend).
It's no harder than any other amp. Be smart and keep the gain controls at midway or a hair above. Only people who don't understand gain structure use the amps gain and run their mixers down low where the noise creeps up. If you don't understand this research gain stages before you use it.
This amp is rumored to not be best for heavy sub duty. that's hearsay for me. On tops it is the cleanest amp I've ever heard. It actually made a sincere and noticeable difference going from an EP2500. So profound in fact that my wife's untrained response was "it sounds like someone put a blanket over the speaker" when i went back to the EP in an A/B test.


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