Question about Car Amplifiers

1 Answer

Right side speakers don't work

I have a Jenson 40 watt 4 channel amp in my 68 corvette and the amp don't seem to have any power coming out of the right side speaker wires to the front or rear. The left side works perfect. When i plug the right speakers on the left side , they work eliminating bad speakers. Is there any way i can test the amp.? Thanks in advance, Bernie

Posted by on

1 Answer

  • Level 2:

    An expert who has achieved level 2 by getting 100 points


    An expert that gotĀ 5 achievements.


    An expert that hasĀ over 500 points.


    An expert who has answered 200 questions.

  • Expert
  • 231 Answers
Re: Right side speakers don't work

If you are using RCAs as inputs to your amp.Swap the R to L @ RCAs to see if its comming in okay from radio.If both RCAs have audio then amp is bad ,If amp has any type of switches , move swithces to see if it comes back .Also if both RCAs inputs have audio .Move the RCAs when connected on amp to see if amp has bad connection in board to RCA jacks..If audio comes back on bad side when jack is moves .Then you have bad solder joints on board..If not then you must have bad outputs on amp..

Posted on Dec 24, 2007

Add Your Answer

0 characters

Uploading: 0%


Complete. Click "Add" to insert your video. Add


3 Points

Related Questions:

1 Answer

Which speakers (Front/Rear) to buy that match Kenwood KAC-M846 4/3/2 Channel Amplifier.

I don,t no where you are reading thease articles from,I installed car audio equipment for over 40 years, Untill i retired a couple of months ago, Who ever is writeing those sort of articles does not have the slightest clue what they are talking about, It is the opposite way around, It is allway better for yor (Speakers) To handle more power then what your amp puts out, Then you will not blow the spaekers, It is best to get speakers at least 20 watts more then what your amps maximuin (RMS) Watts are, Hope this helps you out, (PS) 50 watts (RMS) Is what most people go for, It is in no means (Under) Powered.

Nov 05, 2012 | Kenwood Kac-m846 4/3/2 Channel Amplifier...

1 Answer

How can you bridge a 2 channel 300 watt amp to a 4 channel 300 watt car amp?

if you have (4) 4 ohm speakers (No Subs), then you simply take the (2) positives from the two right speakers, and the (2) negatives together and put them on the right output of the amp. Do the same for the other side. This will have the amp at a 2 ohm stereo load on each side, which will max out the power of the amp. Will sound great with any small power amp.

Sep 07, 2011 | Car Amplifiers

1 Answer

If i have a 4 channel 2000 watt amp, can i use 1600 watt wires if i only have 2 subs hooked up to it?

Yes, you will be fine. 4 gauge power wire is sufficient for a couple of reasons, the primary one being that most of the companies that are boasting 2000 watts for a 4 channel amp are off brand "web-retail only" companies, and they severely over rate the power output of their amplifiers. Secondly the supposed 2000 watts is peak power and not rms power. Peak power means how much power that amp can put out during absolue climax of the music or during a tone burst. RMS power is how much that amp will put out continously to your speakers or in this case, your subs. If you look at the spec sheet of that amp, in all actuallity you're probably only getting 200-300 watts rms even bridged.

On a side note, if you really want to push your subs hard, you might want to consider getting a mono block or "class d" amplifier and use that 4 channel amp to push your surround speakers. Class d/mono block amps are specifically designed to push subwoofers and will give you the most efficient power out and the best heat dissipation to withstand the output required to drive subwoofers. You'll get better bass and also more adjustability to tweak the sound levels coming out of your subs. Hope that helps.

Apr 02, 2011 | Car Amplifiers

1 Answer

Amp comes on running 2 12" 450 watt pioneer subs, volume only seems to be about half output, with speakers bridged

This could be the reason. If you look at the specs for this amp you will see that the continuous power out is rated for 380W bridged. The speakers rated at 450W should be able to handle close to 315W continuous. Now if you split these numbers being you have bridged these speakers, you drive each one up to about 190W continuous. The speakers are being driven approximately by 60% of the rated capability. I personally like to keep it right where you got it, not exceeding 80% of the speakers rated capacity.

Here are the specs for the AMP:
  • Specifications
  • Peak Music Power 760 Watts
  • Number of Channels 2
  • Load Impedance Capability 2~8 Ohm (Stereo), 4~8 Ohm (Bridged)
  • Continuous Power (4 ohm) 125W x 2
  • Continuous Power (2 ohm) 190W x 2
  • Continuous Power Bridged (4 ohm) 380W x 1
  • Frequency Response 10Hz ~ 50kHz
  • Total Harmonic Distortion 0.008%
  • Signal-to-Noise Ratio 100dB
  • Dimensions 12" x 2-3/8" x 12-3/4"
  • Features
  • Bridgeable
  • Channel # Capability 1/2/3
  • PWM Regulated MOSFET Power Supply
  • Screw-Type Speaker Terminals
  • Balanced Isolator Input Circuit
  • RCA Inputs 2 Channel
  • Input Level Control Hi-Volt (200mV ~ 6.5v)
  • Built-in Crossover Selectable LPF (80Hz, -12dB/Oct.)
  • Aug 06, 2010 | Pioneer GM-5000T Car Audio Amplifier

    1 Answer


    I have the following specs for you
    Basically 150watts per channel using two channels , or 75watts using all four
    Here goes:

    • 4 Channel Mosfet Amplifier
    • Advanced Overload and Thermal Protection
    • Metal Film Capacitors/Resistors In Signal Path
    • Frequency Response +/-1dB, 20Hz to 20 kHZ
    • Signal to Noise Ratio (A-weighted) >100dB
    • Max Continuous Bridged Power @ 1% THD 150 watts x 2 into 4 ohms @ 14.4 Vdc
    • Max Continuous Power per Channel @ 1% THD 75 watts x 4 into 2 ohms @ 14.4 Vdc
    • Nominal Continuous Power per Channel @ 1 % THD 35 Watts x 4 into 4 ohms @ 14.4 Vdc
    • IASCA/USAC Power Rating 12 Watts x 4 into 4 ohms @ 12.5 Vdc
    • Minimum Load when Bridged 2 Ohms
    • Minimum Load per Channel 1 Ohm
    • Input Signal Voltage Range 0.1 volts to 2 volts
    • Crossover Type Resisitor Network, Linkwitz Riley,
    • Highpass/Lowpass
    • Crossover Slope 24 dB per octave
    • Crossover Frequency Range 20-550Hz
    • Factory Crossover Setting 85 Hz
    • Auxilary Output Channels 2
    • Auxilary Output Frequency Range Highpass or Lowpass, Opposite of Speaker Output
    • Bass Boost 0- to +18dB @ 45 hZ
    • Power Supply Voltage 10Vdc to 15.5Vdc
    • Recommended Fuse 40 amp
    Dimensions 12.25L x 9.25W x 2.10H

    May 23, 2010 | Car Amplifiers

    1 Answer

    My amplifier keep clipping

    start with the lowest settings on all the adjustment knobs and turn your radio up to about 3/4 of the volume and go from there

    Mar 20, 2009 | Kicker ZX650.4 Multi-Channel Amp - 480W ZX...

    1 Answer

    Need specs and wiring options

    Eclipse 36401 eclipse%20pa36401.jpg
    • 105W x 4 Channel Max. Power Output at 2o.gif Stereo
    • 60W x 4 Channel 0.1% THD at 2o.gif Stereo @13.8V (RMS Continuous Power)
    • 40W x 4 Channel 0.1% THD at 4o.gif Stereo @13.8V (RMS Continuous Power)
    • ChannelFlex Crossover
    • Adjustable High-Pass Frequency (50-200Hz, L/R Independent)
    • Low-Pass Frequency (120Hz)
    • Adjustable Bass-Boost Level (45Hz, 0-9dB, F/R Separate)
    • High-Current, High-Speed Output Devices
    • High-Efficiency, High-Energy MOS-FET Power Supply
    • Audiophile Grade Component Selection
    • Intelligent 7-Way Discrete Protection Circuitry
    • Noise Reduction with Low Distortion & Ultra-Low Negative Feedback
    • High-Level Input - Add on Capability
    • Epoxy Composite PCB
    • 2o.gif Stable Design
    Each 6 1/2" speaker will see 40 Watts
    Each 6"x9" will see 521/2 Watts

    Yes your solution is correct. Front wired in stereo, bridge rear.

    Dec 29, 2008 | Eclipse Car Amplifiers

    1 Answer

    I found this amp and I can't seem to figure out what the wattage is?

    You are probably aware on how to use these output figures, but I'll write a quick explanation on the specifications for future readers anyways :)

    The concpet CC-452 amplifier has the following power output specifications:

    Calculated at 14.5 volts DC;

    At 4 ohms per channel - 45 watts x 2 (RMS)
    At 2 ohms per channel - 70 watts x 2 (RMS)
    At 4 ohms bridged - 150 watts x 1 (RMS)

    This means that your amplifier would provide 45 watts of power each for your front speakers, which are normally a 4 ohm load per side (45 watts for left, 45 watts for right), that's unless they are one of those exotic higher end brands (eg: Boston Z6s which are 3 ohms). Rarely, you will find speakers that are rated at 2 ohms per side, but in this instance the amplifier will provide 70 watts of power into each speaker. On your speaker specifications, you will find a value termed "nominal impedance" which will give you the ohm rating of the speakers being used..

    On the other hand, if you "bridge" both channels into a single channel (using a diagram often marked on the speaker terminals of the amp), you could then provide 150 watts into a subwoofer (providing it was a 4 ohm woofer).

    It's not recommended to use this amp bridged under 4 ohms..

    Some subwoofers may be lower than 4 ohms, and you will not be able to use this amplifier for these types of speakers without risking amplifier failure. Also, some subwoofers may have 2 seperate voice coils, and you will have to use both channels of the amplifier seperately (not bridged) in order to correctly connect this type of speaker for use.

    Oct 28, 2008 | Concept CC-452 Car Audio Amplifier

    1 Answer


    I recommend you swap your left and right input cables to make sure it's not a source issue.

    So from your headunit, plug the left channel output into your amps right input and your right channel output into your amps left input.

    If the same side is still not working then disconnect both (or single speaker if it bridged) the speakers from the not working side at the amp. Connect the front and then the rear speakers individually and retest to see if one of them works.

    If one does work then check the cabling and speaker connections on the one that doesn't. If it's shorting out anywhere it will stop your amp from powering that channel.

    Failing that, it could just be that your amp has partly failed.

    Feb 15, 2008 | Boss Riot 1500D Car Audio Amplifier

    1 Answer


    Hi Trim God,


    I do not reccommend that you push the Pioneer speakers over 100 watts.  The jenson will already drown the car with bass through your pioneers so much you will want to turn off the bass boost when playing some low bass hip hop songs. It changes from one venue of song to another, so I just keep the jenson bass boost off and use my head unit to adjsut the sound to fit my listening prefences. I am telling you man, you will be blown away .  Hook up the pioneers straight to the Channels,. do not bridge.  I put Subs in my truck though.  I used the Pass output to send the audio to me Jenson 2 Channel 600W amp. I drive one 10 inch enclosed JBL Class A/B Sub. I bridged the output of the 600 W amp to the 10 inch sub  in my Z28.  The pioneers never get drowned out.  I did smoke my 2 channel Amp one time. and also took out a MTD 10inch sub. I am talk shooting flames and smoked the whole car up. I think if you bride the XA4150 to the pioneers, you will have the flaming smoke problem in no time.  

    Oct 02, 2007 | Jensen XA4150 Car Audio Amplifier

    Not finding what you are looking for?
    Car Amplifiers Logo

    Related Topics:

    497 people viewed this question

    Ask a Question

    Usually answered in minutes!

    Top Car Amplifiers Experts

    Tygh Duval
    Tygh Duval

    Level 2 Expert

    290 Answers

    Pablo Gonzalez

    Level 3 Expert

    733 Answers

    Donald DCruz
    Donald DCruz

    Level 3 Expert

    17129 Answers

    Are you a Car Amplifier Expert? Answer questions, earn points and help others

    Answer questions

    Manuals & User Guides