QSC PLX3402 Power Amplifier

Pictured is the 3000 Watt model.

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    • 8 people rate: 9 out of 10

The PLX2 series is 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 3,600 watts, PLX2 amplifiers are capable of providing plenty of clean, undistorted output to the most power hungry speaker systems. Learn More...

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QSC PLX3402 Power Amplifier reviews

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47 People rated this product : * * * * * * * * * * 9 out of 10

 

6 People wrote reviews

Read all QSC PLX3402 Power Amplifier reviews...
* * * * * * * * * * 10 out of 10 zZounds has verified that this customer bought this product from us.

"QSC ... The Q is for quality!"

Feature:
PowerLight power supply 2 RU, 21 lbs., 13" deep 0.03% THD at 8 ohms Bridge mono and parallel input modes Class H output Clip limiters and subsonic filters 2 ohm performance 1/4" TRS & XLR inputs Speakon® and shock-proof binding post outputs

Quality:
Solid. Reliable. 3-year warranty

Value:
Worth every cent. Same great QSC sound at half the weight!

Desirability:
Sleek and stylish.

Sound:
I use two of these. Each one is bridged and each drives one JBL 2226H 15" Driver. I drive the horns with a QSC RMX2450. The sound is great with a lot of punch. I prefer QSC to Crown.

Ease of Use:
It's an amp: Mount it, connect power and I & O's.

Support:
Haven't needed support.

Overall:
I use only QSC amps.

Submitted: 2/10/2008

Style of Music: Progressive Rock / Ambient / Alternative


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* * * * * * * * * * 10 out of 10

"Smooth clean power in a compact, lightweight package."

Excellent $ to power ratio. A touring class amplifier, at a local musician price. Even better power to weight ratio. Very flexible input and output provisions.
QSC really did their homework on this design.
I use these amps in both multi-amp and full range situations, and I'm totally pleased with the fidelity and power they offer.
Output impedence is transparent to the sonic quality.
As money allows, I'll replace every amp in my rigs with these PLX's!

Submitted: 5/14/2001

Style of Music: Sound reinforcement, from music festivals to tech shows.


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About This Product!
Description
Docs
A line of amplifiers that defines high impact. Up to 3,400 watts in a 2 rack-unit chassis that's only 13 in. deep and 21 lbs. It includes the exclusive PowerWave Technology used in the award-winning PowerLightÈ Series for chest-pounding bass and crystal-clear highs. It also features hum-free noise floor and ultra-low distortion of .03% THD. To keep the PLX series running under the most demanding conditions, the Advanced Thermal Management System has been added. PLXs offer the reliability of a company that's been building professional amplifiers for over 30 years.

With PowerWave technology, the PLX Series takes your music to a whole new level. Not only does it deliver bigger bass and cleaner highs, PowerWave also cuts wasted heat and boosts reliability. PowerWave is a switching power supply that provides ample current to the audio power circuitry by charging the supply rails 230,000 times a second through and ultra-low impedance circuit.

Unlike other amps with conventional supplies, the audio signal is never starved prematurely and remains crisp and clean. It virtually eliminates hum and greatly reduces noise, providing a vast dynamic range that can handle any music without running out of headroom. The Advanced Thermal Management system ensures PLXs run cool and reliable even under harsh conditions. Using a high-output variable speed fan, ATM pulls cool air from the rear of the amp and propels it through a heat shroud precision-fitted to flow air over the heat sinks and out of the amplifier.

Technical Info

Watts Stereo Mode
(both channels driven)
8 ohms 20 Hz-20 kHz 0.03% THD 700W
4 ohms 20 Hz-20 kHz 0.05% THD 1100W
2 ohms 1 kHz 1% THD 1700W

Watts Bridge Mono Mode
16 ohms 20 Hz-20 kHz 0.01% THD: 1400W
8 ohms 20 Hz-20 kHz 0.01% THD: 2200W
4 ohms 1 kHz 1% THD: 3400W

Noise (20 Hz-20 kHz): <-1.7 dB

Input Sensitivity @ 8 ohms: 1.9 Vrms
Input Sensitivity @ 4 ohms: 1.7 Vrms

Output Circuitry: 2-Step

Power Requirements (1/8 power pink noise @ 4ohms): 12A

Distortion (SMPTE-IM) Less than 0.01%
Distortion (typical) 20 Hz-20 KHz (10 dB below rated power 1.0 kHz and below full rated power: Less than 0.01% THD

Frequency Response: 20 Hz-20 kHz, ± 0.2 dB/8 Hz-50 kHz, +0, -3 dB

Damping Factor: greater than 500

Input Impedance: 6 K ohms unbalanced, 12 K ohms balanced

Input Clipping: 10 Vrms (+22dB)

Cooling: Variable-speed fan, rear-to-front air flow

Connectors: (each channel) Input: 3-pin XLR and 1/4 in. TRS balanced

Output: Neutrik Speakon and touch-proof binding posts

Amplifier Protection: Full short circuit, open circuit, thermal, ultrasonic, and protection

Stable into reactive or mismatched loads.

Load Protection On/off muting, DC-fault power supply shutdown

Dimensions: 19 in. (48.3cm) rack mounting, 3.5 in. (8.9 cm) tall (2 rack spaces), 13.25 in. (33.7 cm) deep (from front mounting rails)

Gain: 40x (32 dB)

Weight: 21 lbs. (9.5 kg) net
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