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XR-1S
eXcelon Reference Fit Mono Digital Power Amplifier

CEA-2006 Standard



The eXcelon Reference Fit amplifiers will satisfy the discerning mobile audiophile with its simple design and unyielding power.
These amplifiers are built to be easily installed in the tightest applications yet they provide the power required to pump out the sound you want to hear.

General Features
600 Watts (RMS) x 1 @ 4ohms
700 Watts (RMS) x 1 @ 2 Ohms
Dual Power Supply
Dual Sigma Drive
Variable Low Pass Filter: 50~200Hz -24dB/oct
Variable Infrasonic Filter: 15~40Hz -24db/oct
Bass Boost Remote Ready (KCA-WR10)
Width: 9-1/4” (235mm)
Height: 2-1/16” (52mm)
Depth: 7-9/16” (192mm)

Class D Amplifier
For subwoofer applications, Class D amps are beautifully efficient and their small size offers installation flexibility.

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 won’t stop moving once it’s in motion. This extra movement (sound) creates a type of distortion that’s 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.
General Features
Operating Voltage

14.4V (11V - 16V allowable)

Current Consumption60 A
Dimensions (W x H x D)

235 x 52 x 192 mm
9-1/4 x 2-1/16 x 7-9/16 inch

Weight2.9 kg (6.3 lbs)
Specifications

600 W x 1

   RMS Watts per channel @ 4 ohms, 1% THD+N
83 dBA   Signal to Noise Ratio (Reference: 1 Watt into 4 ohms)
Max Power Output1500 W
Rated Power Output
14.4 V  
600 W x 1 (4Ω) (20 Hz - 200 Hz, 1.0% THD)
700 W x 1 (2Ω) (100 Hz, 1.0% THD)
Frequency Response20-200Hz(±1dB)
Input Sensitivity 0.2 V - 5.0 V (MIN-MAX)
Input Impedance10 kΩ
Signal to Noise Ratio105 dB
Low Pass Filter Frequency
(-12 dB/oct.)  
50 Hz - 200 Hz (variable) Low-Pass Filter Frequency
High Pass Filter Frequency-
Dimensions (W x H x D)

235 x 52 x 192 mm
9-1/4 x 2-1/16 x 7-9/16 inch


DownloadFile TypeDescriptionRelease Date
DownloadOwner's ManualsOwner's Manual (pdf)Jun 03, 2009

*Product descriptions, specifications and features are subject to change without notice. Some features may require the purchase of additional accessories. For proper fit, compatibility, and accessory information check with your authorized Kenwood dealer.