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Kenwood Excelon XR-1S

Mono subwoofer amp — 700 watts RMS x 1 at 2 ohms (New Stock)

Item # 113XR1S

You can add a dose of potent power to your system, thanks to the special design of the Kenwood Excelon XR-1S amplifier.

Find what Fits your vehicle

You can add a dose of potent power to your system, thanks to the special design of the Kenwood Excelon XR-1S amplifier.

Marlon
Need help?
Contact our Virginia-based experts.
Discontinued item
1 question - 1 answer

Item # 113XR1S

Marlon
Need help?
Contact our Virginia-based experts.

About the Kenwood Excelon XR-1S

You can add a dose of potent power to your system, thanks to the special design of the Kenwood Excelon XR-1S amplifier. Its dual power supplies and efficient Class D design let this amp deliver massive amounts of power to your subwoofer from a compact chassis that'll fit in more places than traditional amps can.

You can add a dose of potent power to your system, thanks to the special design of the Kenwood Excelon XR-1S amplifier. Its dual power supplies and efficient Class D design let this amp deliver massive amounts of power to your subwoofer from a compact chassis that'll fit in more places than traditional amps can.

The built-in low-pass filter lets you tailor the amp's output so you can dial in just the right bass for your vehicle, while optimizing the subwoofer's performance. A built-in infrasonic filter keeps your sub from wasting energy trying to play frequencies that you can't hear. Kenwood's Dual Sigma Drive extends the amp's control over cone movement for tighter, punchier bass. And the onboard fan and dual vents help keep this amp cool as it pumps out impressive power.

If you're looking to build a larger system, preamp outputs give you the chance to add more amps without having to run another set of cables to the back of your stereo. For easy control, the optional wired remote allows you to adjust the bass boost from the front seat.

Confused about impedance? Check out our article on matching subs and amps.

READ LESS

Product highlights:

  • mono subwoofer amplifier
  • 600 watts RMS x 1 at 4 ohms (700 watts RMS x 1 at 2 ohms)
  • CEA-2006 compliant
  • variable low-pass filter (50-200 Hz at 24 dB/octave)
  • variable infrasonic filter (15-40 Hz, 24 dB/octave)
  • optional remote bass boost
  • Class-D amplifier design
  • frequency response: 20-200 Hz
  • preamp inputs and outputs
  • fuse rating: 30A x 2
  • 4-gauge power and ground leads recommended — wiring and hardware not included with amplifier
  • 9-1/4"W x 2-1/16"H x 8-9/16"D
  • warranty: 2 years
  • Our 60-day money-back guarantee
  • MFR # XR-1S

What's in the box:

  • Mono Excelon amplifier
  • Two 30-amp fuses (installed)
  • 4 Self-tapping screws
  • Rubber terminal cover
  • 4mm Allen wrench
  • 2.5mm Allen wrench
  • Instruction Manual (English/ French/ Spanish)
  • Warranty Card

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More details on the Kenwood Excelon XR-1S

Mark G.

Product Research

Features
Controls
Connections

Features

CEA 2006 Compliant: The XR-1S's power ratings are measured according to the strict standards dictated by the Consumer Electronics Association (CEA). These standards allow you to accurately compare the rated power output of all CEA 2006-compliant amplifiers. Manufacturers who adhere to the standards can display the CEA 2006 logo on their products and packaging. The amplifier features the following power specifications:

  • 4-Ohm RMS Power Rating: 600 watts x 1-channel into 4-ohms, measured from20-200Hz, with no more than 1% THD+noise
  • 2-Ohm RMS Power Rating: 700 watts x 1-channel into 2-ohm at 100Hz with 1% THD
  • Max Power Output: 1500 watts x 1-channel Peak

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

Class D Amplifier: Class D amps are very efficient and their small size offers installation flexibility. Class-D amplifiers overcome the inefficiencies of traditional Class-A or AB amplifiers. Class-D amplifiers transform very little power into heat, so a higher percentage of the power supply is transformed into the load. This results in a very compact amp which needs less input power to produce very high output power.

Dual Sigma Drive: This advanced negative feed back circuit improves damping factor and increases accuracy and sound quality. When a signal is passed to a subwoofer, like a 50Hz note, the speaker will move and create the note. However, because the speaker has mass and a suspension, it will not stop moving instantly once it's in motion. This extra movement (sound) creates a type of distortion that is not part of the original signal. The negative feedback circuit senses this unwanted movement and send out an opposite pulse to stop the speaker like an electronic brake.

Dual Power Supply: This design provides one power supply for positive current and one power supply for negative current. The result is a cleaner voltage source, fewer failures due to short circuit, less power loss due to variances in transformer tolerances, and less transformer noise even when the positive and negative loads are unstable.

Cooling Fan: There is a cooling fan and vents on each side of the amplifier to help dissipate heat and ensure cool, reliable operation. Make sure not to block these vents or the fan when you install the amplifier.

Protection circuitry: The XR-1S features protection circuits that will turn the amp off in case of the following events:

  • Speaker wire short-circuits
  • Speaker output contacts ground
  • Amp overheats
  • Unit malfunctions and DC is sent to speaker output

Controls

Gain Control: The XR-1S features a gain control with input sensitivity adjustable from 0.2 volts to 5.0 volts.

Low Pass Filter (LPF): The built-in, continuously variable LPF (50-200Hz) allows you to adjust the frequency range of the amp. The filter slope is 24 dB/octave.

Infrasonic Filter (ISF): The infrasonic filter eliminates inaudible ultra low frequencies that can cause unwanted distortion in the audible range. The filter can be adjusted between 15Hz to 40Hz to match the subwoofer and enclosure being used. The filter slope is 24 dB/octave.

Optional Wired Remote: An optional wired remote (item number 113KCAWR10, sold separately) allows bass boost level (0-18dB) and frequency adjustments (40-100 Hz) adjustments from the driver's seat. Multiple XR-1S amps can be controlled using one wired remote.

Line Out Filter: The Line Out Filter switch changes the audio signal output to the Line Out terminals on the amplifier:

  • Off: the line output signal doesn't pass through the XR-1S crossover, gain control, or optional bass boost circuitry
  • On: the line output signal is adjusted using the XR-1S crossover, gain control, and optional bass boost circuitry

Connections

Power And Ground Terminals: The amplifier features Allen head set-screw Power and Ground terminals that will accommodate up to 4 gauge wire. 6 gauge minimum is recommended.

Remote Turn-On Terminal: The remote turn-on is an Allen head set-screw terminal that will accommodate up to 8 gauge wire.

Speaker Terminals: The amplifier is equipped with two pair of gold-plated speaker terminals for easy parallel subwoofer connection. The speaker terminals are Allen head set-screw terminals that will accommodate up to 8 gauge wire. 12 gauge minimum is recommended.

RCA Inputs: The amplifier features one pair of gold-plated RCA input connections.

RCA Outputs: The amplifier has a set of line level outputs for feeding a stereo audio signal to another amplifier. The line output can be effected by the gain control and crossover using the Line Out Filter switch.

Fuse: The amplifier contains two 30-amp fuses.

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Customer Q&A

1 question already asked

Q
What would be the best amp to run 2 10" polk audio db1040dvc subwoofers?
[ Lavon  Nov 30, 2015 ]
1 answer
A
Thanks for your question. For information on selecting the best amp for your subs I would recommend reaching out to an Advisor by phone (1-800-324-9695) or online chat. They will be able to help determine the differences between the amp models and help you make the best choice for your system.
[ Krissy  Dec 01, 2015 ]  Staff

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