Kemo M034N 40 Watt Universal Mono Amplifier Module

Kemo M034N 40 Watt Universal Mono Amplifier Module

Brand:| Model: M034N
Overview
The Kemo M034N is a robust, versatile solution for projects that call for a high-power audio amplifier.
Highlights
  • Self-contained, high-power amp module
  • Sealed construction for harsh environments
  • Built-in speaker protection
Part # 
320-554
Weight: 0.3 lbs.  
IN STOCK
Your Price
$28.29
Part # 320-554
Qty:  EA
Available Payment Methods

Product Details

Kemo M034N 40 Watt Universal Mono Amplifier Module

The Kemo M034N is a simple, resilient solution for adding an amplifier to any electronic project. The thermoplastic casing is resistant to humidity and requires no additional heat sinks. Protection against overload and overheating is included. All connections are through the attached screw terminals.

Specifications: • Input sensitivity: 500 mV • Screw terminal inputs and outputs • Provides 40W max output into a 4 ohm load • Frequency response: 20 Hz - 25 kHz • Requires 6~16 VDC, 4A • Dimensions: 2-1/4" W x 1-1/2" D x 1-1/4" H.



    Product Specifications
    • Special FeaturesBoard Only Module
    Kemo M034N 40 Watt Universal Mono Amplifier Module
    • BrandKemo Electronic
    • ModelM034N
    • Part Number320-554
    • UPC4024028030357
    • Product CategoryHome Audio Amplifiers
    • Unit of MeasureEA
    • Product Rating
      (2 Reviews)
    • Weight0.3 lbs.
    • California Prop 65

      Warning: California residents only. Please note per Proposition 65 that this product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

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    Reviews

    Kemo M034N 40 Watt Universal Mono Amplifier Module
    Kemo M034N 40 Watt Universal Mono Amplifier Module is rated 2.5 out of 5 by 2.
    Rated 4 out of 5 by from Sounds great to me. Clear through all it's gain.Set this up on a Dayton Audio SBPP-BK plate & made my own plate amp.2 holes on the plate were perfect for the jack & 10k switched pot (adding rubber washers for an airtight seal). Made 2 more holes below for the 4amp fuse & the power jack. Mounted the amp above the holes with NTE 303 thermal paste & a small external heat sink. The external sink may not be necessary as the plate acts as a sink & I haven't felt any heat from it. Using the Tang Band W4-1337SD 4" driver as a full range in a 6" 3/4" plywood cube. Adding an air coil inductor to tame 12kHz cone breakup but that's not the amps fault. Very pleased with the results of this amp & surprised no one else has reviewed it.FYI: Sony Vaio PS - DC 16V Output Current: 4A (65 Watts) $10 prime Amazon. Just had to change the plug to match the jack.
    Date published: 2014-01-27
    Rated 1 out of 5 by from Serious Distortion ProblemsThere are numerous problems and oddities.I set up the amp with a 12V SLA battery as power source. I was driving Carvin bass cabs, either 4 ohms (two 10") or 8 ohms (single 15"). Here's what I found:The low frequencies at 80Hz or below are very distorted when driving an 8 ohm speaker. (For reference, the low E on a bass is 41Hz.) With a 4 ohm speaker the entire frequency range is heavily distorted. So the spec of 0.02% total harmonic distortion is completely bogus.I thought the problem might be the signal source from my Carvin bass, so I also tried a Fender Precision bass, and finally one side of my MP3 player - the results were all the same : heavy distortion across the frequency spectrum into a 4 ohm load. In fairness, the frequency response seemed fairly linear at the rated 20-20K, but it is irrelevant because the distortion is so massive.With a shorted input, the amp is actually quiet. So it is not inherently noisy, but again, this is irrelevant because it destroys the signal and produces unbelievable distortion.Lastly, there is no way it delivers the stated power. I didn't expect the full 40W because I am using 12V and the rating states 40W at 16V into 4 ohms. I was driving this amp hard from my MP3 player and it simply could not compete with my 5W boom box. But the distortion is present no matter where the volume knob is set.I'll gladly eat my harsh words is someone has application notes and can point out where I am going wrong.
    Date published: 2013-08-16

    Product Q&A

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    who own this product or have experience with it.
    If your question requires design or troubleshooting information,
    please email tech@parts-expresss.com  for a prompt reply.
    Kemo M034N 40 Watt Universal Mono Amplifier Module

    I am using a Kemo 320-554 amp and may have inadvertently shorted out the speaker leads. Will this kill the amp?

    12V regulated power supply (320-3147) to drive an 8 ohm speaker.Input, electric guitar into a mono microphone preamp (Alesis).
    Asked by: DRADD
    This amp does not have any type of reset so if you have powered it down and back up again and it did not help the amp is likely dead.
    Answered by: MattP
    Date published: 2013-08-28

    How much will its peak output go down if I use 12v instead of 16 volts?

    If I use 12 volts instead of 16v for the power will the output still be 40watts or will it be lower ?
    Asked by: mdfreeze
    The output will not change, the current draw from the power supply will increase slightly.
    Answered by: MattP
    Date published: 2014-10-27

    Bridging?

    Is this amp able to be bridged if so how would I do it?
    Asked by: mdfreeze
    This is a mono amplifier, bridging is not possible.
    Answered by: MattP
    Date published: 2013-11-03

    is there a specific amount of amps to power more than 1 amplifier off a single 12v ?

    i wanted to buy two of these amplifiers and make a compact portable system to play music and i was wondering if i could power 2 of these amplifiers off a single 12v battery .is there a specific amount of amps the battery has to put out in order to power the 2 amplifiers efficiently ?
    Asked by: mdfreeze
    This amplifier requires 4 amps each, so two would need at least 8 amps to run correctly
    Answered by: Chrisf
    Date published: 2013-07-04

    Can you please provide a detailed datasheet for KEMO #M034N?

    Asked by: rkk811
    I found the instructions for this part and then tried to fix the bad translations(See Below).It is suggested that you use a 4700uf 25V capacitor if you have noise problems. This will do if you are supplying this with up to 12.5 volts. Anything more and I suggest using a 4700uf 35V. For example, if this were used in a car (Actual voltage is anywhere from 13.2 to 14.4 Volts while the car is running[Alternator Voltage] and 11.7-12.6 Volts[Lead Acid SLI Battery] when off). A good rule of thumb is to double your safety margin. Running at 12.5 volts get capacitors rated for 25Volts or 24volt system would get 50v caps.
    Answered by: JDoyner
    Date published: 2013-04-04

    Can this amp run off of a 12v SLA battery?

    Asked by: rustycage
    Yes this will work on a 12v battery.
    Answered by: MattP
    Date published: 2013-07-28

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