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Home > Mobile Electronics > Mobile Audio > Car Audio Amplifiers > Kenwood XR-1S

Kenwood Excelon Class D Mono Power Digital Amplifier - XR-1S

Abt Model: XR1S

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$497.00

Kenwood Excelon Class D Mono Power Digital Amplifier - XR1S/ 2400 Watts Maximum Output Power/ 600 Watts (RMS x1 At 4Ohms/ 700 Watts (RMS) x1 At 2 Ohms/ Dual Power Supply/ Dual Sigma Drive/ Silent Fans Cooling System/ 5Hz - 400kHz Frequency Response/ Voltage/Current/Temperature LED Information Display

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Kenwood Excelon Class D Mono Power Digital Amplifier, Model XR1S

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.

Features:

600 Watts (RMS) x 1 @ 4ohms
700 Watts (RMS) x 1 @ 2 Ohms
Dual Power Supply
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
Variable Low Pass Filter: 50~200Hz -24dB/oct
Variable Infrasonic Filter: 15~40Hz -24db/oct
Bass Boost Remote Ready (KCA-WR10)

Specifications:

Infrasonic Filter: 15Hz-60Hz (Variable)
Maximum Output Power: 2400 Watts
Signal-to-Noise Ratio
- 105dB
- 80dBA (Ref: 1 Watt into 4)
Amplifier Type: Class-D (Digital) with Dual Drive
Band Reject Filter: OFF / -6dB / -12dB
Band Reject Filter Frequency: 40Hz - 200 Hz (Variable)
Bass Boost Circuit: - 18 dB (Variable)
Bass Boost Frequency: 40 - 100 Hz(Variable)
Channel Design: Mono
Cooling System: Silent Fans
Current Consumption: 75A
Frequency Response: 5Hz - 400kHz
High-Pass Filter Frequency (-24 / -12 dB/oct.)
- Low Range---Hz (Variable)
- High Range---Hz (Variable)
Input Impedance: 10k
Inputs: 1 x RCA
Installer Memory
Low-Pass Filter Frequency (-24 / -12 dB/oct.)
- Low Range40-200Hz (Variable)
- High Range40-200Hz (Variable)
Operating Voltage: 14.4 V (11 - 16 V Allowable)
Output: 1-channel RCA
Phase Inverter: � (Normal) / -180� (Reverse)
Power Supply: Dual Power Supply
Power Wire Gauge: 4-Gauge Full-Contact
Rated Output Power
- Rated Power Output(12.0V)
  - 4Ohm 400W x 1
  - 2Ohm 800W x 1
  - 1Ohm 800W x 1
- Rated Power Output(14.0V)
  - 4Ohm 600W x 1
  - 2Ohm 1200W x 1
  - 1Ohm 1000W x 1
Remote Bass Control: Optional KCA-WR10
RMS Watts Per Channel @ 4 Ohms, 1% THD+N: 600W x 1
Sensitivity: 0.2V - 5.0V
Speaker Wire Gauge: 12-Gauge Full-Contact
Terminal Layout: One-Sided
LED Information Display: Voltage, Current, Temperature

Approximate Dimensions:

Height: 2-1/16"
Width: 9-1/4"
Depth: 7-9/16"

Approximate Weight:

Unit: 8.4 lbs
Shipping: 10 lbs

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PRODUCT REVIEW SUMMARY

Average Customer Rating:

(based on 1 review)

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REVIEWED BY 1 CUSTOMERS

Displaying Reviews 1 - 1 of 1

Small Size but no Wow Factor

By nappent from Redmond, WA on 06/17/2009.

Describe Yourself:	Practical, Commuter, Gearhead, Tuner
Best Uses:	Sports Cars
Pros:	Versatile, Easy To Use, Easy to Install, Durable

So here is my setup summary. I'm running a Alpine CDA-9885 deck with a single 12 inch Alpine Type R (SWR-1242D) subwoofer wire to run at 2ohms in a seal 1.2 cubic foot box. The amp does not seem to be as powerful as my old mono 600 watt rms Infinity amp I had. I am running at 2ohms so I would think the extra 100 watt rms difference would make my Alpine Type R punch a little harder but I can't say it is. The "negative feed back circuit" which is supposed to improve sound quality either is not working or I can't tell the difference. The sub sounds the same as with my old amp. I do like the small design size it is 1/3 the size of my old amp... so I'll give credit there. The one thing that really bugs me is the knobs to adjust frequency and voltage is very small so you have to have a tiny screw driver to make adjustments. I used to be able to adjust those controls on previous amp with my car key but not with this amp. The amp does stay pretty cool. It's warm to the touch but not burning hot. I haven't been on a long drive running it hard so can't say for sure how warm it gets. Either way it hasn't shutdown or gone into protection mode. It does start clipping if I push it really hard. My final thoughts is... at [$] you likely can get a better amp at a better price... unless you need an amp small in size. At this point the size is the only thing its got going for it.

Displaying Reviews 1 - 1 of 1