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AudioSource AMP-100 Stereo Power Amplifier

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List Price: $199.99
Price: $111.98 & FREE Shipping. Details
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50-Watt
  • Perfect for Computer and Video Games
  • 60 watts per channel into 4 ohms
  • Rear Channel Amplifier for Dolby 6.1 and 7.1 systems
  • 2 Independent channels rated
  • Dual Auto-Switching inputs
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Frequently Bought Together

AudioSource AMP-100 Stereo Power Amplifier + Mediabridge 3.5mm Male to 2-Male RCA Adapter (6 Feet) - Step Down Design + AmazonBasics 16-Gauge Speaker Wire - 50 Feet
Price for all three: $130.46

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Size: 50-Watt
  • Save Big On Open-Box & Used Products: Buy "AudioSource AMP-100 Stereo Power Amplifier” from Amazon Open-Box & Used and save 55% off the $199.99 list price. Product is eligible for Amazon's 30-day returns policy and Prime or FREE Shipping. See all offers from Amazon Open-Box & Used.

Product Specifications

Size: 50-Watt
Brand NameAudioSource
Output Wattage50 watts
Color NameBlack

Product Description

Size: 50-Watt

Product Description

AudioSource AMP series amplifiers are designed for home and commercial audio distribution systems where high quality sound, flexibility, and reliability are essential. The AMP 100 features 2 independent channels rated at 60 watts per channel into 4 ohms (50 watts RMS at 8 ohms). The AMP-100 boasts a precise frequency response of 20 Hz to 20 kHz and total harmonic distortion of 0.02 percent. Additional features include A, B, or A+B speaker selector switches, front-panel mounted volume and balance knobs, and five-way binding posts that work with both bare wire and banana plugs.

From the Manufacturer

AudioSource AMP-100 Amplifier: Clean Power Meets Ease of Use for Flexible Home Theater Applications

AudioSource started designing and building amps over 20 years ago. Over time, AudioSource has continually refined its products to balance power, sound clarity and long-lasting performance.

AudioSource AMP-100 Amplifier
Built to deliver powerful music. View larger

Like the rest of AudioSource's line of amps, the AMP-100 is full-bandwidth capable, bridgeable, and features A-B switching, providing a repertoire of flexible configurations. It features a robust power supply and bipolar output devices, with source override to accommodate necessary interruptions such as PA systems, game consoles, phone calls, or even doorbells. All AudioSource electronics, including amplifiers, equalizers, volume controls and more, are easy to install and torture-tested during development to ensure years of use.

This AudioSource AMP-100 two-channel power amplifier is built to deliver powerful music, pure and simple, with few extra controls to get in the way. Listeners can use the AMP-100 as an independent stereo amp (50 watts x 2 into 8 ohms) when used with a preamp, as a second zone amplifier in multi-room applications, or as a rear-channel amplifier in a 6.1- and 7.1-channel system. Using the Amp 100 in pairs as monoblock amplifiers playing Right and Left channels (the AMP-100 delivers 150 watts RMS of bridged power), listeners can independently drive two front left/right speakers or two rear speakers, further clarifying each channel to create dynamic high-end sound. To connect additional components to the amp, use the included stereo inputs with automatic priority override (for connecting to a source such as a receiver, CD player, or preamplifier)--or use the auxiliary output for creating a multi-amp setup.

The AMP-100 boasts a precise frequency response of 20 Hz to 20 kHz and total harmonic distortion of 0.02 percent. Additional features include A, B, or A+B speaker selector switches, front-panel mounted volume and balance knobs, and five-way binding posts that work with both bare wire and banana plugs. Plus, at 16.5 by 2.9 by 9.25 inches (W x H x D), the device should fit comfortably in most rack mount or home entertainment setups. All AudioSource amps are backed by a two-year warranty on parts and labor.

Which AudioSource Amplifier is Right for You?

Model Watts Per Channel Features at a Glance
Stereo
8 Ohms
Stereo
4 Ohms
Bridged
8 Ohms
Channels Inputs Priority
Input
Switching
A/B
Speaker
Selection
Auto-On 12v
Trigger
Rack
Mount
Ready
High
Level
Inputs
AMP 50 25 30 NA 2 2
AMP 100 50 60 160 2 2
AMP 102 50 75 150 2 2
AMP 110 75 110 225 2 2
AMP 210 90 125 250 2 2
AMP 310 150 225 450 2 2
AMP 1200 40 40 80 12 3
AudioSourceAudioSource

Product Details

Size: 50-Watt
Manual [PDF]|Product Warranty: For warranty information about this product, please click here [PDF]
  • Product Dimensions: 19 x 4 x 10 inches ; 9.7 pounds
  • Shipping Weight: 11.2 pounds (View shipping rates and policies)
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • Shipping Advisory: This item must be shipped separately from other items in your order. Additional shipping charges will not apply.
  • ASIN: B00026BQJ6
  • California residents: Click here for Proposition 65 warning.
  • Item model number: amp100
  • Average Customer Review: 4.1 out of 5 stars  See all reviews (514 customer reviews)
  • Amazon Best Sellers Rank: #1,134 in Electronics (See Top 100 in Electronics)
  • Product Warranty: For warranty information about this product, please click here [PDF]
  • Date first available at Amazon.com: October 2, 2001

Customer Questions & Answers

Customer Reviews

4.1 out of 5 stars

Most Helpful Customer Reviews

521 of 533 people found the following review helpful By Kluutmahn on September 14, 2007
Size: 50-Watt Verified Purchase
I've owned one of these amps now for about six months. All the complaints I've read in the reviews have come from people who obviously can't be bothered to read, pay attention, or think things through. I'm specifically referring to Auto Input Switching/Power, lack of features, and output power.

First, this is NOT an integrated amp. Nor is it designed to be used primarily as a standalone system. It is intended to be used as a node on a distributed music system. The feature set for this unit has this use in mind.

It can function as a standalone unit but if you are going to use it as such you need to use it with a pre-amp or with an input source that provides adequate line in, input selection and the tone/equalization control you want.

Second, the auto input switching. The manual isn't clear on this and the feature can't be switched off, which is why I docked it a star. But some reading and thought will provide the solution. The auto input feature is only on input 1. If you run your primary input to input 2 you will have no problem with auto switching cutting off your music during quiet passages or after the track has started. If you need to use multiple sources without the auto switch cutting the input then you need to use external input switching (see pre-amp above) and make sure the switch/pre-amp is fed to input 2 on the amp.

Auto-power on issues: This feature can be turned on or off by way of a selector switch on the rear panel of the amp. Default is on. This is in the manual.

"It doesn't have a sub out": No, but it does have a line out/pass-through for input 2 which can be used for a sub out.

"It isn't loud enough": One of two things is happening here; 1. The line in isn't sufficient to properly drive the amp. 2.
Read more ›
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97 of 105 people found the following review helpful By modifiedcontent on January 18, 2006
Size: 50-Watt
I had the reported switching problem ("UPDATE: This device has one annoying defect ... a "clever" feature of switching inputs automatically when it senses no input on one of the two stereo inputs ... any stretch of silence will cause it to switch"). I called AudioSource and I have to give them credit. The problem is relatively easy to solve by using Input 2 instead of Input 1 if you're only using one input.
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100 of 115 people found the following review helpful By Julie on October 5, 2005
Size: 50-Watt Verified Purchase
My stereo configuration is four KLH outdoor "rock" (they look like pieces of granite) speakers, an IPOD, and a ten-inch deep book shelf that I wanted to use as the location for the amplifier. I looked at Fry's, Best Buy, and Circuit City and couldn't find anything that was compact enough to fit on the bookshelf unless I went really high-end with a Bose setup. I had a spare Sony surround receiver that worked fine, except that it didn't fit the shelf, plus I wasn't really looking for all the bells and whistles of the receiver because I won't be using this setup to watch TV, my CD's are all on iTunes now, and I get crummy radio reception at my house. So, the technical requirements were to be able to drive the four speakers using a line-in level input coming from the IPOD. Pretty simple.

Anyhow, I purchased the Audiosource AMP100 amplifier on Amazon (to my consternation they dropped the price 3 bucks between the time I placed the order and when I received it) and it arrived in about a week using the free shipping option. It came well packed and sealed, and was as simple to set up as you'd expect of a unit like this. So far, I have tested it once and it worked fine, in fact it sounded a little better than the Sony. All four speakers were being driven normally in A+B mode. I haven't tested the auto-on feature, but it allows the box to power up automatically when it senses a signal on one of two audio inputs. The power plug on the back of the unit is unswitched (always powered). If I have any problems with the unit I'll update this post, but so far, so good.
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15 of 16 people found the following review helpful By Amuzjay on April 23, 2011
Size: 50-Watt Verified Purchase
6 pairs of Theater Solution in-ceiling HD speakers throughout the house and patio, hooked up to 4 Apple Airport Express(s) and 4 of these powerful AudioSource Amp-100(s), all controlled by our iPads and iPhones. What you have now is an awesome, powerful, clean, crisp wireless multiple-zone household media system that will impress even the novas of audio geeks. No joke! These amps are inexpensive, sleek and simple yet have the clean crisp sound of the big boys. Add the energy saving auto-on feature and you can't go wrong now. Can you tell I'm happy with my system? You will too!
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26 of 31 people found the following review helpful By J.N. DiPietri on January 26, 2007
Size: 50-Watt Verified Purchase
My feature-laden Yamaha RX-577 receiver/amp finally gave up after 11 years of service, and since we now live in the country with little or no radio reception, I looked for a simple amplifier, with simple controls and adequate capacity (hint on the meaning of "adequate" - I am no longer 19). This amp is an understated black box, with basic minimalist styling and simple controls that adjust balance and volume, and speaker outputs to A and B. It does a fine job on my average home stereo system. I concur with other reviewers that the silly feature of automatically turning itself to a stand-by state when no input signal is present is essentially useless on any kind of music other than the constant drone of Scottish bagpipes or techno. Between tracks of a CD, or even in silent pauses in music, it dutifully and maddeningly turns itself "off", and then, oops! - back on again when the music resumes - after missing a few measures, of course. Happily this feature is only present on line 1 of the system. If you use line 2 as your primary source, it overrides line 1. As an engineer, I find this logic perplexing. Since when should a secondary line signal override the primary signal? Who thought of that? Anyway, this is the only fix that I know of to stop the automatic stand-by feature, and it does work.

Beyond that user-correctable deficiency, if you don't need 110+db sound anymore (or never did), this amp is a highly suitable piece of equipment that appears well built, is simple to use and understand, and simple to hook up. It is relatively heavy for its size, and like watermelons, heaviness potentially equals quality, especially with things that supply power.

I am overall quite satisfied with this amp.
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Most Recent Customer Reviews

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AudioSource AMP-100 Stereo Power Amplifier
This item: AudioSource AMP-100 Stereo Power Amplifier
Price: $111.98
Ships from and sold by Amazon.com