2 Channel Amplifier - 300 Watts - NO LOGO
    Product # 11497
    2 Channel Amplifier - 300 Watts - NO LOGO
    Product # 11497
    $278.40
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    In Stock This item will ship on 8/29/2016 if ordered within 1 days 12 hours 40 minutes

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    2 Channel Amplifier - 300 Watts - NO LOGO

    Get large amounts of incredibly clean power for a stereo speaker zone in a multi-zone home audio system using this 2-Channel, 300-Watt amplifier from Monoprice!

    This stereo amplifier puts out 150-watts per channel into 8-ohms with only 0.2% Total Harmonic Distortion plus Noise (THD+N)! When bridged into mono mode, it can deliver up to 470-watts into an 8-ohm load, with the same 0.2% THD+N, making it well suited for high power applications. It also boasts a -103dB signal-to-noise (S/N) ratio at the full rated power into a 4-ohm load. It also features > 65db crosstalk at the rated power into an 8-ohm load.

    The amplifier has two stereo inputs with automatic switching, both of which support either line or speaker level input. The secondary input is intended for normal use with the primary input off. Then, whenever the primary input is active, it will override the secondary input. Additionally, it features a line level secondary output, which passes the secondary signal on to another amplifier or line level device.

    The amplifier supports a 12 volt DC trigger for turning the amplifier on/off and a 12 volt DC trigger output to control other devices, such as a projection screen or curtains.

    The volume control on the front panel is a volume attenuator more than a direct volume control. When setting up the amplifier, you set the maximum volume level using controls on the back panel, then you use the front panel attenuator to control how much of the preset volume is used.

    Note that if the master volume level is set too high, the front panel attenuator will be unable to completely attenuate the output volume.



    Support Files:

    Specifications
    Power Output 150 watts per channel into 8 ohm loads with less than 0.2% THD+N
    235 watts per channel into 4 ohm loads with less than 0.2% THD+N
    470 watts Bridged Mono into 8 ohms with less than 0.2% THD+N
    Crosstalk >65dB@1kHz, ref. to rated power into 8 ohms
    Frequency Response 20Hz to 20kHz, +0.0dB, -0.5dB
    Signal to Noise Ratio -103dB ref. to rated power into 4 ohms AC
    Power Consumption 1200 watts (all channels driven)
    Net Weight 28.7 lbs (13.0 kg)
    Gross Weight 36.6 lbs (16.6 kg)
    AC Line Fuse 115VAC, 60Hz: T10AL, 250V
    230VAC, 50Hz: T5AL, 250V

    7 Reviews

    94.29% of the reviewers recommend this product

    ADD YOUR REVIEW

    Got it to work

    • Larry Whitehead,
    •  Urbandale, IA 
    • 6/27/2016 7:48:04 PM

    Pros: It has plenty of power and makes the speakers sound great.

    Cons: See commentary above.

    It appears to be a unit made for a company, like Atlas Sound, but didn't pass their quality control. 1st, the auto input sensing feature is nice for my installation. 2nd, couldn't get both left and right speakers to work at the same time with either A or B. What I did get to work is have the left speaker connected to Left A and the Right speaker connected to Right B. with both A and B selected...then it sounds very good. Is that strange or what?? Apparently the person doing the wiring at the factory turned some wires around. So, now I need to either go thu the hassle and expense of returning the unit for a replacement but based on other reports...I might get the next one with a worse problem that I couldn't deal with. So, use it like it is or spend more $$ to take it to a technician and have them fix it.... All of sudden it's not as good a deal as it first appeared.

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    Great amp for the money!!!

    • Chris T.,
    •  ,  
    • 6/19/2016 5:42:12 PM

    Pros: Excellent quality
    Lots of power
    Easy to setup/use
    Great price

    Cons: None

    I have been using this amp for about 6-8 weeks now. I originally had purchased AMP100VS to run my two rear presence in-ceiling speakers. That amp is fine but recent modifications have made it difficult to use in this situation but AudioSource is working on resolving this issue. I gave this Amp a shot on here and I could not be more pleased! It was simple to use and easy to setup. It has plenty of power to run my rear in-ceiling speakers in my ATMOS setup or even my two front towers. This is a great quality product that just works how it should. As previously mentioned in other reviews the power light is RED when running and ORANGE when in standby (this is not a problem)

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    Couldn't be more pleased

    • Anonymous,
    •  Canton, GA 
    • 6/15/2016 5:15:05 AM

    Pros: Great sound,ease of installation.

    Cons: None

    Clear concise sound, no distortion. Greta price. This is driving the 6.5" 8 ohm outdoor speakers from Monoprice. The Denon stereo/amp I was using did not have enough power to drive the speakers. Hooked it up to this "no name" amp and everything has worked well. The instructions do not have any diagrams but the written descriptions are simple enough to follow, especially describing the role of the primary and secondary inputs.

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    Excellant for the price

    • Anonymous,
    •  Fort Collins, CO 
    • 3/25/2016 5:05:13 PM

    Pros: Cost, ease of use, performance

    Cons: None yet.

    Setup was easy except I had to turn up the volume controls on the back of the amp to get it to play. Now works flawlessly. Using it to run 2 very high end Tannoy definition ceiling speakers and they sound great.

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    Works as expected

    • Ron T,
    •  Irvine, CA 
    • 3/14/2016 8:40:58 AM

    Pros: Same size, power and functionality as an Altec Lansing 9442A (and similar models). It has two inputs for a normal line-in and a microphone override, takes Line In and Speaker In input levels, has stereo & bridge modes. It's a good & simple commercial audio amp.

    Cons: Needs to offer rack mounts

    I had an existing church PA system made up very old Altec Lansing 9442A's that have begun to fail. They are integrated into a rack and control multiple zones within the church and have 150W per channel in the stereo mode. When we discovered their failure, our best hope was to scour the internet for used units of the same model so we did not need to redesign the entire system with all new equipment. This strategy worked and we bought 5 at $200 each and a boatload to ship them. It was plug-n-play. BUT, they did not last even a year. Not surprising because they are all over 20 years old and have been out of production! Then I found this Monoprice No Logo 300W amp (150w/ch). It is an almost exact replacement for the Altec Lansing 9442A to the power, the stereo/bridge and almost to the size. It fits into our rack and only the input connections needed to change from a lug to an RCA (simple). Calibration was also rather simple. If you want to replace a similar rack-mounted amp with this one, set up is easy but you need to order a rack shelf, since this model is not suited for rack mounting (without some conversion kit that I did not see available). We are happy and with the $259.00 price tag is a lot better than buying and shipping a 25 year old unwarranted unit on E-Bay (less with a sale). Don't forget the rack shelf if you're installing this unit into a rack mount.

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