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Kenwood X450-4

4-Channel eXcelon Series Full Range Power Car Amplifier

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$379.95

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$148.99

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General Features:

  • 4-Channel eXcelon Series Full Range Power Car Amplifier
  • RMS Power Rating:
    • 4 ohms: 60 watts x 2 chan. + 100 watts x 2 chan.
    • 2 ohms: 75 watts x 2 chan. + 150 watts x 2 chan.
    • Bridged, 4 ohms: 60 watts x 2 chan. + 300 watts x 1 chan.
  • Pulse Width Modulated MOSFET power supply
  • LED power (green) and protect (red) indicators
  • Variable Bass Boost (0 to +18 dB, 5th channel only)
  • Soft start turn-on
  • 4/3/2 channel operation
  • 3-way protection circuitry (thermal, overload, and speaker short protection)
  • Heavy duty aluminum alloy heat-sink for extreme heat dissipation
  • Nickel-plated RCA level inputs
  • Nickel-plated screw terminals
  • Input sensitivity:
    • Low level: 125mV-5V
    • High level: 250mV-10V
  • Variable high-pass filter (50-200 Hz, 24 dB/octave)
  • Variable low-pass filter (50-200 Hz, 24 dB/octave)
  • CEA-2006 compliant amplifier
  • Frequency response: 5-50000 Hz
  • 4 gauge power and ground wiring is required for installation. Contact us for information regarding a discount on select amplifier kits from our website when purchased together with this amplifier.
  • Dimensions: 13-5/8"W x 7-3/8"D x 2-3/16"H
  • 1-year Sonic Electronix Warranty
Power Specifications - Full Range Channels
RMS Power @ 4 ohms 60 watts x 2 channels
RMS Power @ 2 ohms 75 watts x 2 channels
Bridged RMS Power 300 watts x 1 channels
Amplifier Specifications
Amplifier Class AB
Number of Channels 4
Maximum Input Gauge Size 4 AWG
THD at Rated RMS Power 1%
Speaker Level Inputs No
Preamp Outputs No
Built-in Crossover Low-pass (LP)
High-pass (HP)
High-Pass Crossover Frequency 50 - 200 Hz
Low-Pass Crossover Frequency 50 - 200 Hz
Signal-to-Noise Ratio 80 dB
Bass Boost 0 - 12 dB
Bass/Gain Remote No
Fan Cooled Yes
Fuse Rating 40A x 2 
CEA-2006 Compliant Yes
Warranty and Return Policy
Return Policy Standard Return Policy
Parts Warranty Duration 1 year
Labor Warranty Duration 1 year
Warranty Provider Sonic Electronix
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Stacking Hardware & Strapping Accessories
Use this stacking hardware to mount multiple amplifiers together for a clean, professional installation. Maximize your output with these accessories to strap your amplifiers together.
  Product Price Add?
XIX2025 Strapping RCA XIX2025 Strapping RCA
0.25 Meter (0.86 ft) Hyper-Flex RCA cable w/ Serpentine-Cut Nickel Plated Connectors 		$13.99
Bass Remote Control
Control the volume level of your bass and amplifier from the front of the vehicle.
  Product Price Add?
Universal Remote Level Bass Control Universal Remote Level Bass Control
Controls bass level and frequency via RCA/Interconnect connectors on any amp. 		$13.99
Small Universal Remote Level Bass Control Small Universal Remote Level Bass Control
The Scosche RLC is a smaller universal bass remote that connects via RCA inputs. 		$14.99
Speaker Wire
Improve the sound quality by delivering more power when replacing your factory wiring. High quality speaker will maximize your amplifier investment and system performance.
  Product Price Add?
NVX XWS1625 Speaker Wire NVX XWS1625 Speaker Wire
25 ft. of True 16 Gauge 100% Copper EnvyFlex Speaker Cable/Wire 		$16.99
NVX XWS1650 Speaker Wire NVX XWS1650 Speaker Wire
50 ft. of True 16 Gauge 100% Copper EnvyFlex Speaker Cable/Wire 		$29.99
Kicker XW1220 Speaker Wire Kicker XW1220 Speaker Wire
12 Gauge Wire - 20 ft. of Dual Twist Speaker Cable with Sleeves for a Clean Install 		$39.95
StreetWires SCP1215BL - 12 AWG Speaker Wire StreetWires SCP1215BL - 12 AWG Speaker Wire
12 Gauge Wire - 15 ft. of Speaker Cable with Twisted Construction 		$24.99
RCA Interconnects
You will need a good set of RCA interconnect cables to connect your amplifier to your head unit. Using high quality cables ensure the best sound possible by reducing unwanted noise interference, providing tight contacts, and utilizing the latest in cable technology.
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NVX XIV45 4-Channel RCA Audio Interconnect Cable NVX XIV45 4-Channel RCA Audio Interconnect Cable
5 Meters (16.4 ft.) 4-Channel RCA Audio Interconnect Cable with Dual Twisted Pair Hyper-Flex Technology 		$23.99
Kicker Z-Series RCA Interconnect Cable Kicker Z-Series RCA Interconnect Cable
19 ft. of 4-Channel RCA cable with dual twisted-pair conductors, hyper-flex technology, and gold plated contacts for maximum signal transfer! 		$32.95
StreetWires ZN7 RCA Interconnect Cable StreetWires ZN7 RCA Interconnect Cable
16.4 ft. of 4-Channel RCA Cable with hyper twist construction, oxygen free copper, and precision machined tips. 		$49.99
Installation, Tools & Accessories
With our professional install card, you can have your amp installed by a pro near you, or you can purchase tools and do the install yourself.
  Product Price Add?
StreetWires FB8 StreetWires FB8
8 Gauge Firewall Bushing 		$4.99
Kicker DB1448 (09DB1448) - Top of the Line! Kicker DB1448 (09DB1448) - Top of the Line!
Distribution Block with Two 1/0 or 4 AWG Inputs and Four 4 or 8 AWG Outputs 		$29.95
Professional Installation for your Car Power Amplifier Professional Installation for your Car Power Amplifier
Covers labor charges through our professional installer network. 		$89.99
Testing and Performance
Optimize your system's performance with testing tools such as SPL meters, bass test discs and more!
  Product Price Add?
Scosche SPL Meter SPL1000F Scosche SPL Meter SPL1000F
Handheld boomSTICK measures your SPL range from 60 to 135 dB 		$24.99
AutoSound 2000 CD-104 AutoSound 2000 CD-104
The ultimate amplifier level setting disc used for evaluation of audio components 		$12.99
AutoSound 2000 CD-102 AutoSound 2000 CD-102
High Frequency Test CD specifically designed for the set-up and evaluation of sound system imaging and placement. 		$12.99
AutoSound 2000 CD-103 AutoSound 2000 CD-103
Audiophile reference series test disc for evaluation of all audio components. 		$12.99
Main Product
  Product Price Add?
Kenwood X450-4 Kenwood X450-4 $148.99

Product Summary

Manufacturer: Kenwood
Model number: X450-4
UPC: 019048197580
Weight: 6.50 lbs
Internal SKU: x4504
Internal product ID: 44579