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QSC GX5 Stereo Power Amplifier  

Item #: 
1274034490400
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The QSC GX5 Stereo Power Amplifier is ideal for professional entertainers who require maximum performance and portability on a limited budget. QSC designers, headed by Pat Quilter, have optimized outp... Click To Read More About This Product

Price:
$39999.00
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Overview

The QSC GX5 Stereo Power Amplifier is ideal for professional entertainers who require maximum performance and portability on a limited budget. QSC designers, headed by Pat Quilter, have optimized output and appearance of the rackmountable GX5 while reducing raw material cost and weight. The GX5 power amplifier provides full performance for 500 watt (Program) speakers and supplies maximum possible power to 4 ohm and 8 ohm loads. Owners of popular 4 ohm loudspeakers (dual-woofer, two-way models and many subwoofers) will find the 700 watt (4 ohm) power of the GX5 an ideal match.

The GX5 power amp uses a Class H system, based on key elements of the PLX Series, almost doubling power in the same size and weight. QSC design expertise allows the output devices to shift from low-power to high-power rails in less than a millionth of a second, ensuring that the output power is always right where it needs to be without excess loss.

Features
  • Power levels matched to the most popular speakers used by entertainers
  • Optimized for maximum real-world headroom into 4Ω and 8Ω speaker systems
  • Inputs: XLR, 1/4" TRS and phono input connectors for compatibility with any source
  • Outputs: Speakon® combo accepts, 1/4" (TS) plugs or Speakon 2-pole and 4-pole plugs (connects 2 poles only). Binding posts support all other speaker wiring systems.
  • Minimum depth chassis (10.1"/257 mm) fits in compact, inexpensive effects racks
  • Lightweight ” less than 26 lbs (12.5 kg)
  • Detented gain controls for precise setting and matching of sensitivity
  • GuardRail„¢ automatically protects the amplifier and loudspeakers from damage due to temperature rise or overdrive without shutting down the show
  • Front panel LEDs monitor Power, Signal and Clipping
  • Subwoofer/Satellite crossover built-in
Specifications
  • Power rating:
    8Ω / both channels driven / 1 kHz: 500 W
    8Ω / single channel driven / 1 kHz; 600 W
    4Ω / both channels driven / 1 kHz; 700 W
    4Ω / single channel driven / 1 kHz; 850 W
    2Ω / both channels driven / 1 kHz: 350 W

    Distortion (typical): 20 Hz - 20 kHz: 1 dB below rated power 8Ω: less than 0.05% / 4Ω: less than 0.1%
    Signal to Noise: (20 Hz - 20 kHz) 100 dB
    Input Sensitivity: 1.2 Vrms
    Voltage Gain (8Ω): 34.4 dB
    Output Circuitry: 2-tier Class H
    Power Requirements (1/8 power, pink noise at 4Ω, 120 V):6A
    Frequency Response: 20 Hz - 20 kHz, +0, 1 dB
    Dynamic Headroom (4Ω): 2 dB
    Damping Factor: 100
    Input Impedance (Ω): 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)
    Dimensions (HWD): 3.5" (2RU) x 19" x 10.1" (89 mm x 483 mm x 257 mm)
    Weight Shipping / Net: 31 (14 kg) / 26 lbs (12 kg)
    Agency Approvals: UL, CE, RoHS/WEEE compliant
Warranty

GUITAR CENTER'S PRO COVERAGE
Pro Coverage gives you added warranty protection for your new gear. Stepping in where the manufacturer's "normal wear and tear" coverage ends, our Pro Coverage program offers you upgraded coverage if your product ever fails Read More.

Pro Coverage includes
  • Accidental damage protection (new gear only)
  • Expedited repair
  • Free shipping (for returns or repairs)
  • 100% coverage for commercial use
  • Extended return period
  • Extended price protection
  • No lemon guarantee
  • Free transfer of coverage to a new owner
  • Repair costs covered for up to three years from date of purchase
  • Repair authorization-toll-free by phone or via the web
  • Customer Reviews
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Review Snapshot

by PowerReviews
QSCGX5 Stereo Power Amplifier
 
4.7

(based on 48 reviews)

Ratings Distribution

  • 5 Stars

     

    (42)

  • 4 Stars

     

    (3)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (3)

100%

of respondents would recommend this to a friend.

Pros

  • Excellent sound (10)
  • Easy to use (9)
  • Good power output (8)
  • Portable (4)
  • Warm / comfy (4)

Cons

No Cons

Best Uses

  • Performances (6)
  • Outdoor events / games (5)
  • Pro audio / DJ / mixing (5)
    • Reviewer Profile:
    • Experienced (5), Professional musician (4)

Most Liked Positive Review

 

Solid Power in Varying Conditions.

Let me start by saying my GX5 has seen about everything you can imagine in its short 6 week out of the box life. I live in Georgia and the heat and the humidity...Read complete review

Let me start by saying my GX5 has seen about everything you can imagine in its short 6 week out of the box life. I live in Georgia and the heat and the humidity here are often pushing the heat index to well over 100 degrees. I have done 3 outdoor gigs with this amp pushing a pair of JBL JRX 115's and one JRX 118s and it pushes them beautifully. The built in Crossover is really nice because splitting it out at 100 hz really has helped me push my mids/highs harder to provide enough sound for the outdoor gigs. My GX5 has even been run from a 35 dollar power inverter from a retail giant who shall remain nameless and provided music for a beach party i had the privilage of DJing. This is an all around great amp with very versitile inputs and outputs that make it possible for anyone not playing at 2 ohms or bridging channels to have a great sound at a not so discouraging price. QSC has been great for me thus far and i am just about convinced that there no other power amp company that is worth my time. Thanks QSC

VS

Most Liked Negative Review

 

Did not work right out of the box,!! Not Happy!!

i just got a new QSC GX5 and was really excited, cause i had always used the rmx amps, and had great luck. well i take this one out of the box and...Read complete review

i just got a new QSC GX5 and was really excited, cause i had always used the rmx amps, and had great luck. well i take this one out of the box and turn it on and the clip lights are on no sound and signal lights are blinking with no signal goin to the amp. Now i have to make another trip back to return it,luckily i had a back up amp.. will not buy again! ,

Reviewed by 48 customers

Displaying reviews 1-10

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5.0

going buy two more this year.

By Benson

from undisclosed

Verified Buyer

Comments about QSC GX5 Stereo Power Amplifier:

first test was made in Ganado, very powerful to push two PV215 all day long at a rally.

 
5.0

I would buy again!

By Joel Uni-K

from Bronx, NY

About Me Professional Musician

Verified Buyer

Pros

  • Easy To Use
  • Excellent Sound
  • Good Warmth
  • Portable
  • Powerful

Cons

    Best Uses

    • Events
    • Performances

    Comments about QSC GX5 Stereo Power Amplifier:

    Powers my Yamaha S115V with ease! Would buy again!

     
    5.0

    Great amp

    By DJ Kleen

    from Lafayette La

    About Me Experienced

    Pros

    • Easy To Use
    • Excellent Sound
    • Portable
    • Powerful

    Cons

      Best Uses

      • Mobile DJ

      Comments about QSC GX5 Stereo Power Amplifier:

      Great addition to my rack of RMX and PLX amps. Using it for my 12 inch EV tops! very light. sound is good! great for the price!

      (4 of 4 customers found this review helpful)

       
      5.0

      Great bang for the buck

      By UP guitar player

      from Way up north

      About Me Professional Musician

      Pros

      • Easy To Use
      • Excellent Sound
      • Good Warmth
      • Powerful

      Cons

        Best Uses

        • Events
        • Mobile DJ
        • Performances

        Comments about QSC GX5 Stereo Power Amplifier:

        Did exhaustive investigating prior to purchase of this amp. Comparisons from crown to behringer and decided on this. Had it for a year now powering subs and mains in a band playing 4-6 gigs a month in temps from -30 to 100. It has never hiccupped. More powerful than wattage indicates. More clean headroom in the amp than the 70 pound dinosaur it replaced that was rated at three times the power output.

         
        5.0

        Power for Samll venues

        By Flamenquito

        from Santa Fe, NM

        About Me Professional Musician

        Pros

        • Excellent Sound
        • Quiet Fan

        Cons

        • heavy

        Best Uses

        • Performances

        Comments about QSC GX5 Stereo Power Amplifier:

        I have owned a few QSC amps over the past 15 years, and have never been disappointed. The discription stated the wieght but carrying it in a case made it seem heavier then i had thought. The sound is great with good headroom for my needs, that being small venue performances (100 - 500 person max) and not loud environments, but rather concert situations, sitting to listen. Which brings me to the fact that the unit is actually 700w @ 4ohm per/ch not the 1000w as shown in the photos so when i recieved it i was a little surpised, though it sounds great, i am returning it for the GX7 for that extra headroom and the fact that it states on the site that it wieghs much less then the GX3 or the GX5.

        (2 of 2 customers found this review helpful)

         
        5.0

        Quality Amplifier

        By djmaye

        from Crivitz, WI

        About Me Novice

        Pros

        • Easy To Use
        • Portable
        • Powerful

        Cons

          Best Uses

          • Home Studio
          • Mobile DJ

          Comments about QSC GX5 Stereo Power Amplifier:

          Works perfectly for fully powering my 18" Peavey Black widow sub. Low-pass and high-pass filters built in work as expected and make external, expensive, and bulky crossovers completely unnecessary.

           
          5.0

          Liked it so much, bought a second one

          By JLNorthGA

          from Western NC

          About Me Experienced

          Verified Buyer

          Pros

          • Easy To Use
          • Excellent Sound
          • Good Warmth
          • Portable
          • Powerful

          Cons

            Best Uses

            • Events
            • Mobile DJ
            • Performances

            Comments about QSC GX5 Stereo Power Amplifier:

            I have one GX5 for my main speakers and now I have one GX5 for my fill speakers and a GX7a for my subwoofers.

            Good, clean sound, plenty of headroom - just the thing for our venue (250 seat auditorium).

            Once you hear it and the sound it produces - you will be sold.

             
            5.0

            Clean Power @ Great Price

            By BC1225

            from Orlando, Florida

            About Me Experienced

            Pros

            • Easy To Use
            • Excellent Sound
            • Good Warmth
            • Powerful

            Cons

              Best Uses

              • Great Monitor Amp

              Comments about QSC GX5 Stereo Power Amplifier:

              I needed to replace a (50-pound) Yamaha Power Amp that my band had been using for the past 20+ years. I needed power, light weight at a reasonable price.
              The GX5 was the answer! The 500/channel matched up perfectly to the JBL Eons that we use as monitors. The weight is 50% of what the old Yamaha was, which is appreciated when loading up.
              We play rock & roll so I haven't heard any fan noise.

              (0 of 37 customers found this review helpful)

               
              4.0

              Does NOT Play Nice With Powered Speakers

              By Goofy's Review

              from Florida

              About Me Experienced

              Pros

              • Excellent Sound

              Cons

              • Limited Functions

              Best Uses

              • Mobile DJ

              Comments about QSC GX5 Stereo Power Amplifier:

              Attempted "more power" by adding this amp to a set of powered speakers. What I got was a lot of distortion. They work good on their own and should...give you the power you need for most applications. If you want an amp with "guts" you better look elsewhere or be disappointed. For my "geezer" parties it works fine but for a younger crowd....not so much....

              (1 of 1 customers found this review helpful)

               
              5.0

              WOW!!!

              By S & L PRO DJ SERVICES

              from Mcallen ,TX

              Comments about QSC GX5 Stereo Power Amplifier:

              I purchased this power amp a few months back and its still working the way it was when i first bought it. The power output is amazing , i use it to power 2 peavey djs4. This amp is without a doubt powerful and a bang for the buck. If you provide a dj service and looking to power a crowd of 500 peoople this amp with the right speakers will do the job!!! This power amp its built like a tank, it exeeded my expectations when i first heard it and the quality is just outta this world. ALL IN ALL ITS AN AWESOME POWER AMP! I am planning to purchase a gx7 soon to get the most out of my speakers, i dont have to but i just wanna be able to push them to their program power =). QSC GREAT JOB!!!

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