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Fit it Yourself?

Everything you need to fit it yourself at home

Only £30.00 

With Steering Wheel Control
Only £50.00 

5 Stars (1)
4 Channel Amplifiers Kenwood KAC-X4D

Kenwood KAC-X4D 4 Channel High Quality Amplifier

Save: £174.50 (44%)  rrp: £399.99
5 Stars
1 Review(s) / write a review
Quickfind Code - 24418
Save: £174.50 (44%)
rrp: £399.99
This product has been discontinued

  • Free Car Air Freshener with every order Free Car Air Freshener with every order
  • Next Day Delivery available on all order before 5pm Next Day Delivery available on all order before 5pm
  • Easy Returns Easy Returns
  • 1 Year Easy Warranty 1 Year Easy Warranty

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Sorry, this product has been discountinued. We recommend the following product.

Kenwood XR400-4 4 Channel Super Thin Digital Power Amplifier
Kenwood XR400-4

Key Features

4 Channel High Quality Amplifier - Kenwood KAC-X4D

Kenwood KAC-X4D - 4 Channel Power Amplifier, 1200w

Kenwood KAC-X4D Key Features:

  • Kenwood Car Audio Power Amplifier
  • 1200W Maximum power Output
  • Built-in variable low-pass filter
  • Buitl-in variable high-pass filter
  • 2 ohms load capability
  • Dual power supply
  • Power MOS-FET switching power supply

Amplifier Features

  • Class D Amplifier
  • Full Range Digital Amplifier
  • 2Ω Stable Load Capability
  • Maximum Output Power 1200W
  • Rated Power Output 120W x 4 (4Ω)
  • Rated Power Output 150W x 4 (2Ω)
  • Bridged Power Output (4Ω) 300W x 2
  • CEA-2006 Compliant
  • Low-pass Filter
  • High-pass Fliter
  • Switched Mode Power supply with Power MOS-FET
  • Dual Power Supply
  • Cooling Fan
  • Multifunctional Power Indicator
  • Blue Illumination
  • Protection function
  • 1 x RCA (Gold Plated) Line in
  • 1 x RCA Line out (Gold Plated) 
  • Input Selector A/AB
  • Single Side Terminals
  • Full Contact Terminal
  • Gold Plated Power & Speaker Terminals
  • Die-cast  Chassis Aluminum
  • Removable Coverplate


  • Maximum Power Output (4Ω) 300W x 4
  • Rated Power Output (4Ω, 14,4V) 120W x 4 (20Hz ~ 20000Hz, 1%THD)
  • Rated Power Output (2Ω, 14,4V) 150W x 4 (1000Hz, 1%THD)
  • Bridged Power Output (4Ω, 14,4V) 300W x 2 (1000Hz, 1%THD)
  • Rated Power Output (CEA-2006) 120Watts RMS x 4 at 4 ohms and 1% THD
  • Low-pass Filter 50~200Hz & 2,5~10kHz (-12dB/oct)
  • High-pass Fliter 50~200Hz & 2,5~10kHz (-12dB/oct)
  • Input Sensitivity 0.2 ~ 5V
  • Input Impedance 10kΩ
  • Signal to Noise Ratio 105dB
  • Signal To Noise Ratio (CEA-2006) 73dBa (Reference: 1 Watt into 4 Ohms)
  • Frequency response (+0dB, -3dB) 20Hz ~ 20000Hz
  • Operating voltage 14.4V (11V ~ 16V allowable)
  • Maximum current consumption 60A
  • Dimensions (WxHxD) 235 x 52 x 192(mm),
  • Weight 3kg

Download image of Kenwood KAC-X4D Click here for Image of Kenwood KAC-X4D
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Customer reviews

compact performance
rich samuels on 01/05/2012 5 star rating

for its size the kenwood does give alot of power output compared to most high power 4 channel amplifiers are normally big and weighty, but i have a lotus exige which doesnt have alot of free room to fit amps, i wanted something that would run a decent set of speakers and a sub which i remove to save weight when i go to the track, i dont use the car as a a daily driver and alot of the time it sits in the garage, but everytime i use it i am happy with the sound and performance. richard samuels

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Fitting Services

Need help with Installation?

Here at CarAudioCentre we offer a professional and reputable fitting service in all our stores. For all fitting enquiries and bookings please visit or call one of our nationwide stores. Our fitters can install your new car stereo, DAB radio, audio visual, speakers, subwoofers or amplifier. We can also help to connect your iPod or MP3 player to you existing audio unit and can offer the best advice on the right in-car entertainment for your vehicle, to further this more we also offer a total 100% custom installation service for demo and show vehicles. So if you have an idea come on in and run it past us, the possibilities are endless and we are never too busy for an enthusiastic chat about our favourite subject.

Please note:

"That our two year warranty on products is only applicable to purchases made directly from us and that have been fitted in one of our stores."

Our Stores:

542 546 Mansfield Road, Sherwood NG5 2FR
Tel: 0115 9624 986
743-745 Eastern Ave, Newbury Park, London, IG2 7RT
Tel: 0208 599 2368
835 Garratt Lane, Tooting, London, SW17 0PG
Tel: 0208 971 9181