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Kenwood Excelon XR600-1

Mono subwoofer amplifier — 600 watts RMS at 2 ohms (Factory Refurbished)

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  • Kenwood Excelon XR600-1

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  • Kenwood Excelon XR600-1

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  • Kenwood Excelon XR600-1

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  • Kenwood Excelon XR600-1

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  • Kenwood Excelon XR600-1

  • Kenwood Excelon XR600-1

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Item #: 613XR6001
 

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Our take on the Kenwood Excelon XR600-1

by Dave Delamere

My system has plenty of power. Who needs an amp?

You might think you don't need an amp because you have a 400-watt system in your car, or because your new stereo puts out 50 watts a channel. But those are peak wattage ratings, which may boil down to 15 or 20 watts per channel, using the more realistic RMS rating. An amp sends your speakers the power they need to deliver your music with clarity and impact, whether you're using factory speakers or high-performance components. And low-frequency reproduction requires lots of power, so an amp is an absolute must if you're adding a sub to your system.

Super-slim profile, big-time power

Kenwood's Excelon XR600-1 mono subwoofer amplifier adds power and punch to your car's subwoofer system, as it powers your sub with up to 600 watts RMS. The XR600-1 can fit in many different places in your car because of its incredibly low profile — it's under 1-1/2" tall. Amazing.

Designed for optimum efficiency

Kenwood packed this amp with space-saving features. Class D technology reduces the size of the power supply, while the internal heatsink is tilted to reduce height without compromising the amp's cooling system. Recessed power and speaker wire terminals help to further reduce the amp's footprint, protect the connections, and give your installation a neat, professional look.

Read more

Controls for the best bass

This no-nonsense amplifier features a low-pass filter that sends the correct frequencies to your sub so it'll  play efficiently and sound its best. The amp also includes an adjustable bass boost that adds some low-end punch when you want it.

Highlights:

  • mono subwoofer amplifier
  • 400 watts RMS x 1 at 4 ohms (600 watts RMS x 1 at 2 ohms)
  • CEA-2006 compliant
  • variable low-pass filter (50-200 Hz at 24 dB/octave)
  • adjustable bass boost (0-18 dB at 40 Hz)
  • Class-D amplifier design
  • frequency response: 20-200 Hz
  • preamp inputs and outputs
  • fuse rating: 30A x 3
  • 4-gauge power and ground leads recommended — wiring and hardware not included with amplifier
  • 8-11/16"W x 1-7/16"H x 8"D
  • warranty: 90 days
  • Our 60-day money-back guarantee

Hands-on research from the Crutchfield Labs (what are the Labs?)

Features and Specs
Performance
RMS Power Output (Watts x Channels) 400 x 1
Peak Power Output (Watts x Channels) N/A
Power at 2 Ohms (Watts x Channels) 600 x 1
Bridged Power (Watts x Channels) N/A
Minimum Impedance Bridged N/A
Minimum Impedance Unbridged 2
Best Frequency Response 20-200 Hz
THD at Rated RMS Power 1%
Signal to Noise Ratio 78 dB
Input Voltage 14.4v
Features
Amplifier Class D
Low-Pass Crossover Frequency 50-200 Hz
Low-Pass Slope (dB/octave) 24 dB/octave
High-Pass Crossover Frequency N/A
High-Pass Slope (dB/octave) N/A
Bass Boost 0-18 dB
Bass Boost Frequency 40 Hz
Fan Cooled No
Fuse Rating 90
Speaker Level Inputs No
Preamp Outputs 1 pair
Width (inches) 8-11/16
Height (inches) 1-7/16
Depth (inches) 8
Parts Warranty 90 Days
Labor Warranty 90 Days
Product Research
What's in the box?

  • Refurbished mono subwoofer amplifier
  • Three 30-amp mini blade fuses (installed)
  • 4mm Allen wrench
  • 2.5mm Allen wrench
  • 2mm Allen wrench
  • Four 5/8" Self-tapping screws
  • Instruction manual (English/ French/ Spanish)
  • Warranty card

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team — they open the box, verify contents, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Features

CEA-2006 Compliant: CEA-2006 is a system of testing and measurement methods for mobile audio amplifiers. This voluntary standard advocates a uniform method for measuring an amplifier's RMS power output and signal-to-noise ratio. The criteria for measuring power uses a DC input voltage of 14.4 volts and the RMS power output is measured into a 4-ohm load, with 1% or less Total Harmonic Distortion plus noise (THD+N), and over a frequency range of 20 Hz to 20 kHz, when applicable (20-200 Hz for this subwoofer amp). Signal-to-Noise ratio is measured in weighted absolute decibels (dBA) at a reference of 1 watt into 4 ohms. CEA-2006 allows consumers to compare car amplifiers and receivers on an equal basis. Using CEA-2006 criteria, the Kenwood XR600-1 is rated at 400 Watts RMS x 1 channel with a 78 dBA signal to noise ratio.

Specifications: The manual also lists these non CEA-2006 compliant specifications:

  • Power: 600 watts x 1-channel (into 2Ω at 100 Hz, with no more than 1% THD, 14.4 volts)
  • Signal to Noise Ratio: 100 dB (at rated power)

Mono-Power Amp Design: The Kenwood XR600-1 is designed with specific features to power your subwoofers with a frequency range between 20 and 200 Hz. This amplifier is not designed to power a full-range speaker.

Class D Amplifier Design: The amplifier design is Class D, which uses digital switching power supplies. The result is much higher efficiency (less heat generated) than Class AB.

Low-Pass Filter: The XR600-1 has a built-in 24 dB/octave low-pass filter, continuously variable from 50 to 200 Hz. The crossover is always engaged (it cannot be bypassed).

Bass Boost: The bass boost circuit is centered at 40 Hz; boost is variable from 0 to +18 dB.

Aluminum Heat Sink: The aluminum heat sink increases the amplifier's heat dissipation efficiency, increasing the life of the amplifier.

Controls:

  • Input Sensitivity: 200mV-5V
  • Low-Pass Frequency: 50-200 Hz; continuously variable
  • Bass Boost: 0-18 dB; continuously variable

Inputs and Outputs:

  • Signal Input: one pair of RCA preamp inputs
  • Preamp Output: one pair of pass-through RCA preamp outputs; used to easily connect a second amplifier to the same signal feeding the XR600-1's input
  • Power: set screw terminal; accommodates bare wire up to 4-gauge
  • Ground: set screw terminal; accommodates bare wire up to 4-gauge
  • Remote Turn-on: set screw terminal; accommodates bare wire up to 10-gauge
  • Speaker Output: two pair of set screw terminals; accommodate bare wire up to 10-gauge; the two outputs are internally wired in parallel, making it easy to connect two subwoofers
  • Fuses: three 30 amp mini blade fuses
 
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Kenwood Excelon XR600-1 Reviews

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5 out of 5

small amp with a big power punch

Written By p. kidd, richmond, va on Tuesday, July 15, 2014
 
I purchase only kenwood amps for the past 18 years. I ran this amp to my P3 and I can't believe this little amp does so much.
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5 out of 5

Kenwood Excelon XR600-1

Written By brian w, columb I s ga 31907 on Saturday, September 21, 2013
Crutchfield Customer Review (What's this?)
 
Sounds great I have this amp on a rockford t1 12
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5 out of 5

The little amp that could!

Written By Kawizx9r, Monterey Bay, CA on Saturday, March 02, 2013
 
I never submit reviews however that's changed now with my new Kenwood Excelon XR600-1. Just purchased it along with a 10" JL Audio W3 subwoofer and together they sound great!

I was a bit skeptical at first considering I've only owned one Kenwood amp in the past but this little thing puts out power! It took some time dialing everything in but once that was done, I was able to do a proper comparison against my retired JL Audio 500/1 slash amp. The two on the same subwoofer sounded nearly identical with the same 'oomph' and authority you'd expect from the slash amp.
Pros:
Size Power
Cons:
Price? I only purchased one. No sub-sonic filter
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For a more in-depth review and enhanced detailed information on the Kenwood Excelon XR600-1, please visit the Crutchfield website product page (/ISEO-rccbcspd/p_613XR6001/Kenwood-Excelon-XR600-1.html ).