Garage
Shop

See all parts that fit your 1982 E Series

Kenwood eXcelon X303-4

600W Peak (300W RMS) Class D eXcelon Series 4 Channel Car Amplifier

Kenwood
Shop all Kenwood
highlight-star-icon

• 50 watts x 4 channel @ 4 ohm
• 75 watts x 4 channel @ 2 ohm
• Bridged: 150 watts x 2 channel @ 4 ohm
• Total RMS Power: 300 watts
• Class D 2 ohm Stable 4-Channel Amplifier

Learn more about the x3034
Universal fit Icon

Universal – fits most vehicles.

Similar items | Update vehicle | Vehicle store
List price $400.00
Thanks , You Pay:
-25%

$299.99

 with warranty
Starting at $28/mo or 4 payments of $75 Buy now, pay later and installment payment plans are offered by Afterpay and Affirm. Learn more

Heads up

Your vehicle can use this product in multiple locations. Only a quantity of one can be selected from the product page. You will have the option to adjust the quantity within your cart.

2+ offers available
shipping truck icon Free shipping in USA. Provide zip for delivery date.
Dollar Icon
VIP Product Get $30.00 in rewards to spend later
Quantity
In Stock
Brand new
NDA6004 main
NVX NVX NDA6004 1200W Peak (600W RMS) Class D N-Series 4-Channel Amplifier

(14)

$159.99 $215.99
Sponsored

Acima Logo

No Credit Option

Flexible Lease Payments

Early Purchase Options

Quick Approval Decision

Extend logo

Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Hassle-free immediate replacement within minutes!
  • Easy online claims 24/7
  • Covers product breakdowns and failures
Swoosh Icon Icon of Swoosh

For over 25 years, we've been your X-Factor – the team dedicated to having the biggest impact on your shopping experience!

Award winning icon
Award-Winning Service
Shipping icon
FREE Shipping Orders $49+
60 days return policy icon
60-Day Easy Returns
lowest price guarantee icon
Guaranteed Lowest Price
inHouseExpert
In-House Experts
NVX - Worth the Envy - Direct to Consumer Car Audio

Loading...
Limited time!
46CSC654 main

Kicker CSC65 (46CSC654)

600W Peak (200W RMS) 6.5” CS Series 2 Way Coaxial 4-ohm Speakers

124
-33.36%

$79.96

List price $119.99

UTE-73BT main

Alpine UTE-73BT

Single DIN Digital Media Receiver with Bluetooth

44
-16.69%

$149.95

List price $180.00

Limited time!
Club 622 main

JBL Club 622

360W Peak (120W RMS) 6.5" Club Series 2-way Coaxial 3-ohm Speakers

5
-28.58%

$99.95

List price $139.95

CV15BT main

Cerwin-Vega CV15BT

Single Din Digital Media Receiver with Bluetooth

3
43DSC6504 main

Kicker DSC650 (43DSC6504)

480W Peak (120W RMS) 6.5” DS Series 2-way 4-ohm Coaxial Car Speakers (DSC6504)

28
-10.53%

$84.99

List price $94.99

DB652 main

Polk Audio DB652 (DB 652)

600W Peak (200W RMS) 6.5" DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers

12
-9.16%

$109.00

List price $119.99

XED62 main

Cerwin-Vega XED62

600W Peak (70W RMS) 6.5" XED Series 2-Way Coaxial 4-ohm Speakers

15
-16.67%

$49.99

List price $59.99

PNW-65CS2 main

AudioControl PNW-65CS2

250W Peak (200W RMS) 6.5″ PNW Series 2 Way Component 3-ohm Speakers

4
-5.90%

$319.00

List price $339.00

MPK 163.3 main

Hertz MPK163.3

600W Peak (300W RMS) 6.5" Mille PRO Series 3-way 4-ohm Component Speaker System

2
-14.89%

$999.99

List price $1175.00

NSP65 main

NVX NSP65

540W Peak (180W RMS) 6.5" N-Series 2 Way Coaxial Car Speakers

93
-35.19%

$69.99

List price $107.99

Current Promotions (3 offers)


This offer cannot be combined with any other coupons or offers.

Kenwood eXcelon X303-4

30% off


Priced separately $817 98

Promo Savings of $155 40

Total price:

$662 58

This offer cannot be combined with any other coupons or offers.

Kenwood eXcelon X303-4

30% off


Priced separately $419 98

Promo Savings of $36 00

Total price:

$383 98

This offer cannot be combined with any other coupons or offers.

Kenwood eXcelon X303-4

50% off


Priced separately $349 98

Promo Savings of $25 00

Total price:

$324 98

Description


Kenwood brand icon

Authorized dealer


eXcelon X303-4

This unit is featured with rich and immersive high-resolution audio which captures and beautifully expresses all the details of your favorite music. With added output coil with magnetic shield to prevent magnet from radiating from the subwoofer's coil, resulting in reduced noise and enhanced sound quality. This unit also have high quality capacitors to decrease distortion. Includes wired level control to easily adjust the subwoofer volume.


Product Details:

  • eXcelon Series Class D 2 ohm Stable 4-Channel Amplifier
  • RMS Power Rating:
    • 4 ohm: 50 watts x 4 channel
    • 2 ohm: 75 watts x 4 channel
    • Bridged: 150 watts x 2 channel @ 4 ohm
  • Total power output: 300 watts
  • Speaker-level (high-level) inputs
  • 2 pairs of pre-amp outputs
  • Signal sensing remote turn-on
  • 3-way protection circuitry (thermal, overload, and speaker short protection)
  • PMLCAP's (Polymer Multi-Layer Capacitors)
  • Infrasonic Filter (ISF)
  • Input sensitivity:
    • Low level: 0.2 - 5.0 volts
    • High level: 4.0 - 12.0 volts
  • Frequency Response: 20 - 50000 Hz
  • Total Harmonic Distortion (THD): 1%
  • Signal to Noise Ratio: 90 dB
  • Variable high-pass filter: 50 - 200 Hz
  • Variable low-pass filter: 50 - 200 Hz
  • Variable Bass Boost: 0 - 18 dB
  • Fuse Rating: 40A
  • 4 AWG gauge amplifier wiring kit is recommended for installation
  • Dimensions: 8-3/8" L x 5-7/8" W x 2-1/16" H
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty
  • MFR #: X303-4

Product history:

Kenwood X302-4 thumbnail
(newest, current model)
Kenwood X303-4 thumbnail
(previous model, replaced by Kenwood eXcelon X302-4)

Best selling similar products

VADM4v2 small

NVX VADM4 v2 (VADM4v2)

• 80 watts x 4 channel @ 4 ohm
• 125 watts x 4 channel @ 2 ohm
• Bridged: 250 watts x 2 channel @ 4 ohm
• Total RMS Power: 500 watts
• Class D 2 ohm Stable 4-Channel Amplifier

(41)

$209.99

List price $239.99

NDA6004 small

NVX NDA6004

• 100 watts x 4 channel @ 4 ohm
• 160 watts x 4 channel @ 2 ohm
• Bridged: 320 watts x 2 channel @ 4 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable 4-Channel Amplifier

(14)

$159.99

List price $215.99

VAD10004v2 small

NVX VAD10004 v2 (VAD10004v2)

• 150 watts x 4 channel @ 4 ohm
• 250 watts x 4 channel @ 2 ohm
• Bridged: 500 watts x 2 channel @ 4 ohm
• Total RMS Power: 1000 watts
• Class D 2 ohm Stable 4-Channel Amplifier

(25)

$279.99

List price $335.99

RD400/4 small

JL Audio RD400/4

• 75 watts x 4 channel @ 4 ohm
• 100 watts x 4 channel @ 2 ohm
• Bridged: 200 watts x 2 channel @ 4 ohm
• Total RMS Power: 400 watts
• Class D 2 ohm Stable 4-Channel Amplifier

(28)

$304.99

List price $379.99

MFA 4.220 small

Deaf Bonce MFA 4.220

• 220 watts x 4 channel @ 4 ohm
• 330 watts x 4 channel @ 2 ohm
• Bridged: 660 watts x 2 channel @ 4 ohm
• Total RMS Power: 1320 watts
• Class D 2 ohm Stable 4-Channel Amplifier

$289.90

List price $289.90

JD400/4 small

JL Audio JD400/4

• 75 watts x 4 channel @ 4 ohm
• 100 watts x 4 channel @ 2 ohm
• Bridged: 200 watts x 2 channel @ 4 ohm
• Total RMS Power: 400 watts
• Class D 2 ohm Stable 4-Channel Amplifier

(34)

$299.99

List price $299.99

MFA 4.180 small

Deaf Bonce MFA 4.180

• 180 watts x 4 channel @ 4 ohm
• 270 watts x 4 channel @ 2 ohm
• Bridged: 540 watts x 2 channel @ 4 ohm
• Total RMS Power: 1080 watts
• Class D 2 ohm Stable 4-Channel Amplifier

$259.90

List price $259.90

MVPA4 small

NVX MVPA4

• 100 watts x 4 channel @ 4 ohm
• 150 watts x 4 channel @ 2 ohm
• Bridged: 300 watts x 2 channel @ 4 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable 4-Channel Amplifier

(70)

$279.99

List price $383.99

MDX2000.4 2 Ohm small

PRV Audio MDX2000.4 2 Ohm

• 330 watts x 4 channel @ 4 ohm
• 500 watts x 4 channel @ 2 ohm
• Bridged: 1000 watts x 2 channel @ 4 ohm
• Total RMS Power: 2000 watts
• Class D 2 ohm Stable 4-Channel Amplifier

$219.91

List price $274.89

AP200/4BT small

JL Audio AP200/4BT

• 40 watts x 4 channel @ 4 ohm
• 50 watts x 4 channel @ 2 ohm
• Bridged: 100 watts x 4 channel @ 4 ohm
• Total RMS Power: 200 watts
• Class D 2 ohm Stable 4-Channel Amplifier

$549.99

List price $659.99

Specifications & Details


Key Features
Amplifier Key Features
Bass Boost
Hi-Res Audio Certified
Speaker Level Inputs
Power Specifications - Full Range Channels
RMS Power @ 4 ohms
50 watts x 4 channel
RMS Power @ 2 ohms
75 watts x 4 channel
Bridged RMS Power
150 watts x 2 channel
Amplifier Specifications
Series
eXcelon Series
Amplifier Class
D
Number of Channels
4-Channel
Total Peak Power Output
600 watts
Total RMS Power Output
300 watts
Maximum Input Gauge Size
4 AWG
Minimum Impedance Unbridged
2 ohm
Minimum Impedance Bridged
4 ohms
Frequency Response
20 - 50000 Hz
THD at Rated RMS Power
1%
Speaker Level Inputs
Yes
Preamp Outputs
2 pairs
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
90 dB
Bass Boost
0 - 18 dB
Remote bass/level controller
No
Fuse Rating
20A x 2 
Total Fuse Rating
40
Amp Bluetooth Connectivity
No
Hi-Res Certified
Yes
Low-Level Input Sensitivity
0.2 - 5.0 volts
High-Level Input Sensitivity
4.0 - 12.0 volts
What is in the box?
WITB: Amplifiers
Amplifier
Other Accessory #1
Speaker level input harness
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

X303-4

Weight:

3.67lbs

Internal SKU:

x3034

Internal Product ID:

207480

Customer Ratings & Reviews


Kenwood eXcelon X303-4 thumbnail image

5 star
0%
4 star
0%
3 star
100%
2 star
0%
1 star
0%



Durability
3
Value
4
Features
3
Design
3
Usability
3

Customer Reviews

Sort by:

Loading...
This item does not have any detailed reviews, but has 1 rating from customers


NDA6004 main

NVX NDA6004

• 100 watts x 4 channel @ 4 ohm
• 160 watts x 4 channel @ 2 ohm
• Bridged: 320 watts x 2 channel @ 4 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable 4-Channel Amplifier

(14)

$159.99

List price $215.99

Related Searches


Continue to cart

Available Offers (2) for Kenwood eXcelon X303-4
FREE Belva Amp Kit at Checkout!
Save 30% off an NVX XKIT44 Amp Kit at Checkout! Add a qualifying amplifier to your cart and save 30% on the NVX XKIT44 Amp Kit! No code needed — discount applies automatically at checkout.
Save up to 10 different vehicles in your garage
Vehicle
Store
Delete

1982 Ford E Series

1985 Ford LTD

1980 Ford E Series

2007 Ford Edge

1978 Ford E Series

1994 Ford E Series

2024 Ford Explorer

1990 Ford Probe

1997 Dodge Avenger

1993 Eagle Vision

Vehicle
Store
Delete

2002 Harley Davidson FXSTD Softail Deuce

Add vehicle Clear all vehicles
Where to find vehicle info
Are you sure you want to clear your garage?
This action cannot be undone. Confirm
This page was not designed for products.
If you continue, you will be redirected to a category customized for your vehicle. Continue
Loading...
Identify your vehicle and submodel details
  • Owner's manual
  • Vehicle's insurance card
  • Vehicle registration
  • Vehicle produced after 2005: Inside driver's side door
  • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
Car Info Side Door Icon
Vehicle Registration Icon
Vehicle Insurance Icon

Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.