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Item # 103635447 | Customer Ratings: Ratings ( 5 Based on 4 reviews)

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QSC PLX3102 Professional Power Amplifier
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Mail in Rebate

RECEIVE UP TO $150 BY MAIL WITH A QSC PREPAID REWARD CARD ON PLX2, RMX & RMXa SERIES. See PDF for details.

Click here to download rebate ››

Clean QSC power and the reliability working musicians need.

The PLX3102 power amplifier is an excellent choice for users who need to drive up to four loudspeakers from each amplifier channel (2-ohm loading), or when extremely high power bridged mono operation is required. Features built-in subwoofer processing, filter switches, and front panel indications of bridged mono status.

The PLX3102 power amp has a solid, cast-aluminum front panel that 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 your fingers on the rack sides.

PowerLight Technology
PowerLight switchmode technology replaces a large, heavy AC transformer (typically 20 lbs.) with a highly efficient and lighter-weight active design. Conventional AC transformers provide 100 or 120 energy pulses per second; the PowerLight supply delivers 190,000 to 230,000 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.

Stereo: 1550W/ch @ 2 ohms, 1000W/ch @ 4 ohms, 600W/ch @ 8 ohms
Bridged mono mode: 3100W @ 4 ohms, 2100W @ 8 ohms

QSC PLX3102 Professional Power Amplifier Features:

  • Stereo: 1550W/ch @ 2 ohms, 1000W/ch @ 4 ohms, 600W/ch @ 8 ohms
    Bridged mono mode: 3100W @ 4 ohms, 2100W @ 8 ohms
    Very lightweight (21 lbs.)
    Advanced cooling design with front exhaust
    Power, clip, -10dB, and signal present LEDs
    Front-panel gain controls
    Balanced XLR inputs with TRS connectors
    PowerLight power supply
    Clip limiting
    Thermal limiting
    Speakon NL4 and binding post outputs
    100Hz high-pass and low-pass filters for bi-amping subwoofer and satellite systems without the need for an external crossover
    Switchable/defeatable 33Hz infrasonic filters protect woofers from over-excursion damage
    Switchable/defeatable clip limiters




Product Reviews
(Based on 4 reviews)
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  • Light and Loud

    As reviewed by DSDub on 11/1/2006

    These amps are great! I have used these in my setup now for about 6 months and have had no trouble whatsoever. They're easy to lift, and built like a tank. Very reliable, great sound quality, and simple to setup and use. No complaints here! Worth every penny...

    13 of 13 people found this review helpful.
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  • BEST VALUE

    As reviewed by Sonik on 2/6/2008

    Don't even consider a Crown XTi. This amp provides much cleaner sound. I use this amp to power my tops and sometimes my subs. In either situation I have plenty of headroom, warm highs that don't shrill, and the greater than 500 damping factor gives any bass a tight punch rather than a sloppy drool. I couldn't ask for a better amp at this price. The Crown XTi is tremendously inferior amp in comparison.

    5 of 5 people found this review helpful.
    Was this review helpful?
  • Worth it's weight in Gold !

    As reviewed by David Angel on 8/15/2006

    But actually not because it's so light ! These things are great. I own THREE of them. With QSC engineering running my entire show I don't worry like I used to with cheaper and older equipment. I much prefer these to the new Crown amps that are out. Detented controls, internal fan, easy access to connections. I put these in my rack, and heck even the look of them says class ! They are the Cadillacs of power amps. Absolute workhorses as far as wattage delivery. And now I can lift 2-3 of them myself...No longer need the whole band to bring in the power amp rig.

    12 of 13 people found this review helpful.
    Was this review helpful?
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