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Reload Thread: Kenwood KAC-X40

  1. #1
    Joseph7195's Avatar
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    Icon6 Kenwood KAC-X40

    Item(s) for Sale:
    Kenwood KAC-X40 Class A/B 4-Channel Amplifier



    Item(s) Description/Condition:

    Good Condition, minor scratches. 9/10 aesthetically, 10/10 functionality.

    Specs:

    4-Channel Amplifier
    Peak Power: 800 watts
    Power Handling:
    70 watts RMS x 4 @ 4 ohms
    100 watts RMS x 4 @ 2 ohms
    200 watts RMS x 2 @ 4 ohms (bridged)
    2 ohms Load Capability
    Bass Boost Frequency: 40 Hz - 100 Hz
    Frequency Response: 5 Hz - 70 kHz
    CEA-2006 Compliment
    Line Output Terminals for Extension
    Cast Aluminum Heat Sink
    Power MOS-FET Switching Power Supply
    Stereo,Mono Operation
    Dimensions: 11-1/4" L x 14-15/16" W x 2-9/16" H


    Price:

    $120.00 Shipped OBO


    Shipping and Miscellaneous Item Information: Shipping will be USPS and insured with tracking, and is included in the asking price unless other arrangements are made with buyer.




    Item Pictures:
    (List pictures in this section, 1st picture should be your username/date if you have less than 10 positive feedbacks with the i-Trader system or less than 10 references that you have sold to in the past. (These must be listed in your signature, or a link provided to a feedback thread listing these references)).







    This is a video of all 4 channels working and also my sub amp, which is for sale, and it's funtionality too.
    ampsforsale 013.MOV - YouTube



    Alpine 9833
    Boston Accoustics Front & Rear
    Cadence United Series Vegas 4 Channel
    Cadence S2W12-D2
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    Duralast 1,000 amp battery, X-Static 2,000 Amp Battery
    Rockford Foagate 1/0 wire, and interconnects
    Cadence shielded RCA wire
    Dynamat sound deadening, Fatmat sound deadening




  2. #2
    GAMEOVERCCA's Avatar
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    Re: Kenwood KAC-X40

    thats 1 hell of a 4ch amp right there.. any trades?



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  3. #3
    Joseph7195's Avatar
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    Re: Kenwood KAC-X40

    Quote Originally Posted by GAMEOVERCCA View Post
    thats 1 hell of a 4ch amp right there.. any trades?
    Thanks Bro, unfortunately I can't use trades. I am using the sale money to help buy my new upgrades. If at some point I don't need the money, you Sir,will be the first I let know!



    Alpine 9833
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    Cadence United Series Dakota Mono Amp
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    Re: Kenwood KAC-X40

    ill be working on cash for this.. thanks



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  5. #5
    dross93ranger's Avatar
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    Re: Kenwood KAC-X40

    I still love this amp



    2000 Astro on 20s - Kenwood X595, Audiocontrol Three.1, JL Audio 10W7, Audiopipe APSM-1500, Hifonics Titan TXI6408, Powerbass 4XL 6.5" Mids, DB Drive S3 T1 Tweeters, Optima Yellow Top, Shuriken BT-60

    Slammed 99 S10 - Kenwood HU, Arc Audio PEQ, 8" Type R (Ported), Cadence Components, Hifonics TXI 2-Channel, RE DTS500.2

    Bagged 93 Ranger - Work in progress - Sony HU, Sundown E8v1 (Ported), APSM-2075, Powerbass 3XL Mids, Crescendo CTS-1 Tweeters

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    Re: Kenwood KAC-X40

    Quote Originally Posted by dross93ranger View Post
    I still love this amp
    Thanks Bro, it's a really good amp, and is super clean. Plenty of power to run just about any component sets out there.



    Alpine 9833
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    Cadence United Series Dakota Mono Amp
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    Rockford Foagate 1/0 wire, and interconnects
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    Dynamat sound deadening, Fatmat sound deadening

  7. #7
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    Re: Kenwood KAC-X40

    how does this compare to the kenwood KAC 8405? its almost the same specs

    4-Channel Performance Series Class AB Car Amplifier
    RMS Power Rating:
    4 ohms: 60 watts x 4 chan.
    2 ohms: 90 watts x 4 chan.
    Bridged, 4 ohms: 180 watts x 2 chan.
    Max power output: 720 Watts
    MOSFET power supply
    LED power indicators
    4/3/2 channel operation
    Speaker-level inputs
    Input sensitivity control
    Bass boost switch
    Short circuit, DC offset, overload, and thermal protection circuitry
    Signal sensing turn-on
    Cast aluminum heat sink design
    Built-in cooling fan
    Gold-plated RCA level inputs
    Gold-plated screw terminals
    Single side exposure of terminals for multi-installation
    Variable high-pass filter (50-200 Hz, 12 dB/octave)
    Variable low-pass filter (50-200 Hz, 12 dB/octave)
    CEA-2006 compliant amplifier
    Frequency response: 50-200 Hz
    Dimensions: 11"L x 2-5/16"H x 9-3/8"D
    8-gauge power and ground leads recommended. Contact us for information regarding a discount on a select amplifier kit when purchased together.
    1-year Sonic Electronix warranty


    im trying to see if theres enough of a difference to switch out and buy this one?? any inputs?




  8. #8
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    Re: Kenwood KAC-X40

    There's a couple key differences between the two, which is one of the reason's they don't sell one like mine anymore. First, the X40 is what's considered a "digital" amp which the 8405 is not. The X40 is very very efficient and has a max THD of .5% where as most other amps will say "min THD". this means as you turn it up, distortion is going up too, which is a no no at high volumes. Plus the added power would make it easier to power components and easier on your electrical.

    I have mine on a set of Boston Acoustics speakers rated at 60 watts and I don't have the amp set up very high, so it gives me plenty of leadway powering my speakers.



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    Dynamat sound deadening, Fatmat sound deadening

  9. #9
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    Re: Kenwood KAC-X40

    This is a good thread, Glws homie. I wish it did that 200x2 at 2 ohms, it would be mine.....



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    Re: Kenwood KAC-X40

    Thanks for the kind words JD!



    Alpine 9833
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    Cadence United Series Dakota Mono Amp
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    Rockford Foagate 1/0 wire, and interconnects
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    Dynamat sound deadening, Fatmat sound deadening

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    Joseph7195's Avatar
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    Re: Kenwood KAC-X40

    bump



    Alpine 9833
    Boston Accoustics Front & Rear
    Cadence United Series Vegas 4 Channel
    Cadence S2W12-D2
    Cadence United Series Dakota Mono Amp
    Duralast 1,000 amp battery, X-Static 2,000 Amp Battery
    Rockford Foagate 1/0 wire, and interconnects
    Cadence shielded RCA wire
    Dynamat sound deadening, Fatmat sound deadening

  12. #12
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    Re: Kenwood KAC-X40

    Night bump



    Alpine 9833
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    Cadence United Series Vegas 4 Channel
    Cadence S2W12-D2
    Cadence United Series Dakota Mono Amp
    Duralast 1,000 amp battery, X-Static 2,000 Amp Battery
    Rockford Foagate 1/0 wire, and interconnects
    Cadence shielded RCA wire
    Dynamat sound deadening, Fatmat sound deadening

  13. #13
    Joseph7195's Avatar
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    Re: Kenwood KAC-X40

    I had a stripper get some "juice" on this while dancing one day, adds 3 db's. Morning Bump



    Alpine 9833
    Boston Accoustics Front & Rear
    Cadence United Series Vegas 4 Channel
    Cadence S2W12-D2
    Cadence United Series Dakota Mono Amp
    Duralast 1,000 amp battery, X-Static 2,000 Amp Battery
    Rockford Foagate 1/0 wire, and interconnects
    Cadence shielded RCA wire
    Dynamat sound deadening, Fatmat sound deadening

  14. #14
    Joseph7195's Avatar
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    Re: Kenwood KAC-X40

    Bump



    Alpine 9833
    Boston Accoustics Front & Rear
    Cadence United Series Vegas 4 Channel
    Cadence S2W12-D2
    Cadence United Series Dakota Mono Amp
    Duralast 1,000 amp battery, X-Static 2,000 Amp Battery
    Rockford Foagate 1/0 wire, and interconnects
    Cadence shielded RCA wire
    Dynamat sound deadening, Fatmat sound deadening

  15. #15
    Joseph7195's Avatar
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    Re: Kenwood KAC-X40

    night bump



    Alpine 9833
    Boston Accoustics Front & Rear
    Cadence United Series Vegas 4 Channel
    Cadence S2W12-D2
    Cadence United Series Dakota Mono Amp
    Duralast 1,000 amp battery, X-Static 2,000 Amp Battery
    Rockford Foagate 1/0 wire, and interconnects
    Cadence shielded RCA wire
    Dynamat sound deadening, Fatmat sound deadening

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