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Onkyo M-282

Stereo power amplifier

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  • Onkyo M-282

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  • Onkyo M-282

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Item #: 580M282
 

Review Summary

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Our take on the Onkyo M-282

Onkyo

Whether you need to power a pair of second-room speakers in a multi-room audio system, or you're looking for an affordable power amplifier to go with your separate preamp, Onkyo's M-282 stereo power amplifier fits the bill. As soon as you lift it out of the box, you'll appreciate the beefy construction and streamlined appearance. And when you fire it up, you'll love the strong, clear sound!

This baby is packed with 100 watts x 2 channels of full-bandwidth-rated power, and features Onkyo's Wide Range Amplifier Technology to maximize signal accuracy with high-resolution audio sources. A back-panel switch lets you set the amp for automatic turn-on — you can set it to come on whenever it senses an incoming audio signal or when you turn on a receiver, preamp, or control amplifier which is connected to the M-282's 12-volt trigger input. The back panel also features an audio input level control knob, plus banana-plug-compatible binding posts for making solid connections to your speakers.

Details:

  • 100 watts x 2 channels into 8 ohms (20-20,000 Hz) at 0.08% THD
  • WRAT (Wide Range Amplifier Technology)
  • preamp-level audio input/output loop lets you daisy-chain additional M-282s and play the same stereo source in several rooms
  • input level adjustment
  • auto power-on/off via audio-sensing or 12-volt trigger
  • banana-plug-compatible speaker terminals
  • detachable AC power cord
  • 17-1/8"W x 5-3/4"H x 13-1/16"D
  • warranty: 2 years
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Hands-on research from the Crutchfield Labs (what are the Labs?)

Features and Specs
General
Number of Channels
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2
Power Output per Channel (8 ohms)
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100
Power Output per Channel (6 ohms)
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125
Power Output per Channel (4 ohms)
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---
Frequency Response
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10-100k
THD
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0.08%
Bridged Power per Channel
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N/A
Speaker Outputs
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2
THX Certification
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No
Width (inches)
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17-1/8
Height (inches)
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5-3/4
Depth (inches)
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13-1/16
Weight
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18.7 pounds
Parts Warranty
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2 Years
Labor Warranty
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2 Years
Inputs & Outputs
Number of Inputs
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1
Level Controls
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Yes
Speaker Connectors
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Binding Posts
Product Research
What's in the box?

Download owner's manual

  • Stereo amplifier
  • 71" AC power cord
  • Instructions Manual
  • Registration/Warranty Card
  • "7 Days Customer Service" note

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team — they open the box, verify contents, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Features
Controls
Connections
Specifications

Features

WRAT (Wide Range Amplifier Technology): This technology uses low-negative-feedback circuit topology for accurate signal reproduction, improved dynamic signal-to-noise ratio, and better delivery of power peaks.

12V Turn-On Trigger: When the 12V Trigger input jack on the back of this unit is connected to the 12V Trigger output jack of a compatible Onkyo amplifier or preamplifier, this unit will automatically go into standby mode when the amplifier or preamplifier is switched to standby and turn on when the amplifier or preamplifier is turned on. Note: The Trigger switch on this unit must be in the 12V Trigger position for this feature to work.

Auto Power On/Off: When the Trigger switch is in the Audio position, this unit turns on automatically when a signal is supplied to the Audio In jacks. If no signal is supplied to the Audio In jacks for more than 4 minutes, this unit will go into standby mode.

Input Level Adjustment: The Input Level control on the rear panel allows you to adjust the input level of the signal from the Audio In RCA jacks.

Audio In/Out Link Function: The signal supplied to the Audio In jacks is passed through the Audio Out jacks. When used as a 2-channel amplifier in a multi-room configuration, you can connect several M-282s to enjoy the same source in several rooms.

Controls

Front Panel:
  • Power Button: Turns unit On or Off
  • Standby/On LED: The LED glows orange when the unit is on and red when the unit is in standby mode
Rear Panel:
  • Input Level Control: This rotary knob allows you to adjust the input level of the signal from the Audio In RCA jacks
  • Trigger Switch: Can be set to Audio, 12V Trigger, or Off

Connections

Rear Panel:
  • Audio Input/Output: Gold-plated stereo RCA jacks
  • 12V Trigger In: One 1/8" jack for use with compatible Onkyo components
  • Speakers: Left and right binding post outputs (collar prevents use of spade lugs, so they are not 5-way binding posts)
  • AC Inlet: AC jack for use with supplied AC power cord

Specifications

  • Power Output: 100 watts per channel minimum RMS into 8 ohms (20 Hz to 20 kHz with no more than 0.08% THD); 125 watts per channel minimum RMS into 6 ohms (1 kHz with no more than 0.1% THD)
 
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Onkyo M-282 Reviews

Average Customer Review:

15 people say:

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Filter by rating:
5 out of 5

Delivers it's Promise

Written By Friendly Helper CA, Palm Desert, CA on Sunday, January 27, 2013
Crutchfield Customer Review (What's this?)
 
This Amp replaced a 26 year old Harmon Kardon amplifier with twice the wattage (200 vs. 100). Was concerned it would adequately fire 16 speakers in multi-room application. Contacted Crutchfield Customer Service who had a Tech Rep Specialist call me back. After several good questions and discussion, we both felt it would work (Plus, Rep said "you have 60 days to return it if not"). Product was delivered one day early, well packed, wonderfully simple to install...even for a non-techie...and works beautifully. Had to turn the volumn control on the back of the unit down to prevent blasting out the neighbors.
Pros:
Delivers Onkyo's Promise. Fires 16 speakers in multiple rooms. Super easy to install and adjust. Price value is excellent...beats anything out there (and I looked hard)
Cons:
Volumn control should be on the front of the unit; not the back where it's hard to reach
1 out of 1 people found this helpful
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5 out of 5

rocks out

Written By bigrob, tomsriver n.j. on Thursday, December 27, 2012
Crutchfield Customer Review (What's this?)
 
I am useing this as a sub amp and it is working perfect great volume and clear bass responce have it xover at 120htz and down, audio turn work very well
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4 out of 5

Onkyo m-282

Written By Scott, Riverside, Ca. on Tuesday, November 27, 2012
Crutchfield Customer Review (What's this?)
 
I have an older Onkyo reciever TX DS-787 with the front right channel amp gave out. The 282 came quickly and well packaged, (box in a box). So far worlks great, Sounds just as good as the reciever did.
Pros:
price ease of hook-up
Cons:
bulkiness
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5 out of 5

ampilfer stero

Written By greg, Columbus,Oh on Sunday, October 14, 2012
Crutchfield Customer Review (What's this?)
 
idea for what i needed. You get your money worth on this amp.
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5 out of 5

Outdoor music system

Written By RobertT, Chicago on Thursday, August 16, 2012
Crutchfield Customer Review (What's this?)
 
I purchased three Onkyo M-282s to each connect to a pair of Definitive Technology AW6500 outdoor speakers in my large backyard. Each amplifier is connected to an Apple Airport Express. Using the Apple Remote app and iTunes, I'm able to remotely turn off and on each zone and independently adjust volume. The sound is great and the amps automatically turn themselves off and on, depending on whether the Airport Express units are providing a signal. Outstanding products, outstanding service. Highly recommended.
Pros:
lots of clean power to drive any kind of speaker. Auto On so the amps can be remotely located - no need to turn the power switch off and on.
Cons:
None
4 out of 4 people found this helpful
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4 out of 5

Onkyo M-282

Written By DStewart, St Louis on Friday, July 13, 2012
Crutchfield Customer Review (What's this?)
 
I bought this amp for extra power too my polks-A9 and the sound is great i'm very happy. This is a great,buy at good price Thanks Zac for your help.
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4 out of 5

Good Amp-Great Price

Written By Stackmane, Lexington, Ky on Sunday, June 03, 2012
Crutchfield Customer Review (What's this?)
 
I bought this amp to replace my B&K St 125.2, which ran outta steam. The M282 is actually a better amp in sound quality, although it doesnt have quite as much power as the B&K. It runs alot cooler, which is a plus. I have this amp paired with my Bose 901's, and they sound better than ever. My only problem with the amp is that it's not bridgeable, I'd love to be able to have 1 per speaker. But at this price there's not much need to complain.
Pros:
Great sound quality Affordable Runs cool !2V Trigger/audio in auto turn on
Cons:
Not bridgeable
3 out of 3 people found this helpful
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5 out of 5

Works as it should.

Written By joezera, North Texas on Friday, April 27, 2012
Crutchfield Customer Review (What's this?)
 
The unit was well packed and arrived with no damage. It installed in minutes and worked as I hoped it would. Clear and detailed sounnd reproduction with the rest of my system. I tried the unit using its standby-audio presence detection feature. With my system that was not a good choice due to an AC switching tansient. Direct connection to switched AC worked best with my preamp. Be prepared to find the turn-on feature that woks best with your system. This unit is powering two AR-2Ax speakers direct with no separate sub-woofer. Clear transparent balanced sound is the result.
1 out of 1 people found this helpful
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5 out of 5

Better than expected

Written By Bob, New York on Sunday, October 30, 2011
Crutchfield Customer Review (What's this?)
 
Powering two subwoofers with ease. No over heating problems even when used for extended periods. Gives earth shattering base to my HSU subs.
Pros:
Use to power two subs, set up to turn on when audio sensed at inputs. Works absolutely great runs cool. Provides wonderful base response.
Cons:
Nothing. Maybe just one, the unit is about 7.5" high, seems a bit tall for a power amp,but this is not worth mentioning. But I did anyway.
4 out of 5 people found this helpful
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5 out of 5

great amp

Written By thor, northern virginia on Sunday, July 17, 2011
Crutchfield Customer Review (What's this?)
 
Bought the amp to power my outdoor speakers. The feedthrough input and variable input attenuation are exactly what I needed. Amp is quiet, low noise and accurately reproduces the input. I would buy again. Very pleased with the purchase.
1 out of 1 people found this helpful
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5 out of 5

Works perfectly for me

Written By Mike, Annapolis on Tuesday, April 12, 2011
 
I bought this Amp to turn my Yamaha RX A2000 from a 7.2 receiver to a 9.2
receiver I only use the Amp to power my presence speakers which I use little
Polk RM,s And the amp does a perfect job. I also use the 12 volt trigger from
the Yamaha to the Onkyo which works flawlessly.
3 out of 3 people found this helpful
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5 out of 5

Works perfect.

Written By Travis, Orlando, FL on Friday, May 22, 2009
 
Works great with my 4 Polk RC80s.

I have this amp running at 4 ohms and it has been working great for weeks. I know it is only rated at 6 ohms but I was assured by Crutchfield that I could do it as long as I take it easy on the speakers.

This is a great low-cost amplifier!
11 out of 12 people found this helpful
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4 out of 5

Onkyo M-282

Written By jmacinok, USA on Friday, January 25, 2008
 
This is a very good enty level amp. It can be a bit bright but the gain can be adjusted to minimize the excess brightness. It doesn't run too hot like other amps I've had and it has a very clean and basic look on the front panel. All in all, I'm happy with my purchase and would buy more, if I needed them and didn't want to spend the money on other very high end amps.
16 out of 17 people found this helpful
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1 out of 5

Poor value and bad performance

Written By daustins, Pecos, Texas on Friday, June 15, 2007
Crutchfield Customer Review (What's this?)
 
I bought two of these to bi-amp some very large speakers of the sort used by EMI to master their disks; I have several sets of the speakers in several rooms. One of the Onkyo amps died in a month and Crutchfield instantly replaced it.

These do not sound good, and it's not a matter of power handling. I have tried several front ends, digitally driven from my Mac, on uncompressed music, and compare them with identical speakers in another room, driven by the 7.1-channel Sony Sony STR-DG1000 receiver (reviewed elsewhere), using the Sony's ability to dedicate the back channels to bi-amplification.

Not only does the Sony have more power but it sounds much better. It has half the footprint, and you get a whole good preamp with decent DSP too.

The Onkyos have distortion in any sort of upper-range piano notes, and some in strings. Note that this is a moderate and low volumes. This is a design flaw in the amp, this painful built-in distortion.

Get the Sony receiver and use the extra 330W for center and surround speakers. Or do like me and merely use stereo. It's $100 more and you don't need a preamp.

This is a mature technology and these will on moving be given away.
37 out of 107 people found this helpful
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5 out of 5

ONKYO M-282

Written By CLAND, ROCKFORD ILLINOIS on Monday, October 10, 2005
Crutchfield Customer Review (What's this?)
 
RECENTLY PURCHASED MY ONKYO M-282 TO REPLACE AN AILING AND OUTDATED PHASE LINEAR AMP 700B IT SEEMS TO BE HARD TO FIND A GOOD 2 CHANNEL AMP THESE DAYS WAS VERY HAPPY WITH MY PURCHASE EVEN THOUGH THE ONKYO AMP HAS 100 WATTS COMPARED TO THE PHASE LINEAR 350 WATTS PER CHANNEL DRIVES MY CERWIN VEGAS D-9 SPEAKERS WITH EASE AND SEEMS TO BE VERY CLEAR AND CRISP I AM VERY HAPPY WITH MY PURCHASE AND YOUR HELPFUL STAFF THANKS AGAIN
255 out of 293 people found this helpful
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For a more in-depth review and enhanced detailed information on the Onkyo M-282, please visit the Crutchfield website product page (/ISEO-rccbcspd/p_580M282/Onkyo-M-282.html ).