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RMX 850 Power Amp

Item #: 
1274034490382
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The QSC RMX 850 Power Amp combines their rugged high-output designs with the latest circuit technology to deliver unmatched performance at a breakthrough price. The RMX amps require only 2 rackspaces ... Read More

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Overview

The QSC RMX 850 Power Amp combines their rugged high-output designs with the latest circuit technology to deliver unmatched performance at a breakthrough price. The RMX amps require only 2 rackspaces and feature 1/4" TRS, XLR, and barrier strip balance inputs; binding post and Neutrik Speakon outputs; front-mounted gain controls for easy access; independent and defeatable clip limiters; selectable low-frequency filters (30Hz or 50Hz) that protect speakers and increase headroom; signal and clip LED indicators; independent DC and thermal overload protection on each channel; variable-speed fan. The RMX850 delivers per channel: 200W @ 8 ohms, 300W @ 4 ohms, 430W @ 2 ohms. Bridge mono: 600W @ 8 ohms, 830W @ 4 ohms. 3-year warranty.

Features
  • Unmatched performance at a breakthrough price
  • Requires 2 rackspaces
  • 1/4" TRS, XLR, and barrier strip balanced inputs
  • Binding post and Neutrik Speakon outputs
  • Front-mounted gain controls for easy access
  • Independent and defeatable clip limiters
  • Selectable low-frequency filters (30Hz or 50Hz)
  • Signal and clip LED indicators
  • Independent DC and thermal overload protection
  • Variable speed fan
  • Stereo: 200W @ 8 ohms
  • Stereo: 300W @ 4 ohms
  • Stereo: 430W @ 2 ohms
  • Customer Reviews
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REVIEW SNAPSHOT®

by PowerReviews
 
5.0

(based on 4 reviews)

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Reviewed by 4 customers

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(5 of 6 customers found this review helpful)

 
5.0

Great hi-fi amp

By LexTom

from Lexington Ky

I've heard QSC amps in several hi fidelity systems so when I needed a new amp I bought an RMX 850. The amp is used below 1600 to drive the woofers of a pair of 1961 Altec 605A Duplexes. The resulting sound has excellent well defined bass, realistic vocal tonality and wide imaging with plenty of depth. The only drawback is the fan noise but as that noise isn't coming through the system it's easy for your mind to filter it out at low volumes. Given the high sensitivity of the 605s and the intended use I doubt the amp ever puts out more than a couple of watts, the thing should last forever. One can spend a great deal more money on "hi-fi" amps and not get as good a sound. I need to get another one for the PA in my music room.

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(21 of 22 customers found this review helpful)

 
5.0

Great Amps

By The other Bob

from Philadelphia, PA

We have a couple of them in our system driving a combination of EV's and various other speakers in and around the sanctuary and they have never failed. Very reliable. Sunday service often has lots of music. Some times it's the choir, a New Orleans jazz band, prerecorded music, piano, quintets, quartets, it doesn't seem to matter. This amp handles it flawlessly.

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(13 of 16 customers found this review helpful)

 
5.0

Great Power Amp

By soundman

from san jose, ca

The QSC RMX 850 will be able to handle most speakers. The sound it pumps out is very good, better than some Crown Amplifiers I have used. For an average user, this amp will be very dependable. It rarely heats up, which is always good to know.

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(7 of 8 customers found this review helpful)

 
5.0

Very Nice Amp

By mountain

from San Jose, CA

The QSC RMX 850 is a sturdy, well-built amp that can perform. It carries with it QSC quality and reliability. After replacing my behringer amp with this one, I could see why most of my friends recommend QSC. The sound is clear, very low distortion, very low noise, and it doesn't heat up very much. This is a great amp for basic to medium needs, whether you're using it to power monitors, cabs, or even a sub, you won't be disappointed.

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