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Mobile Electronics› Power Accessories

Kenwood

USB Charger

$400.00 $299.00 Save $101.00

SKU: X303-4

In Stock
In Stock
Ships by Sep 9
Free Shipping over $200
$100 Minimum Order
30 Days Return

Overview

It offers a maximum power output of 600W and provides 50W RMS x 4 at 4 ohms or 75W RMS x 4 at 2 ohms.

This amplifier is High-Resolution Audio Certified, ensuring an immersive sonic experience. It features variable low-pass and high-pass filters, along with a bass boost for sound customization. Installation is made easier with a one-side connection layout and an included speaker level input harness for factory receivers.
Show original supplier description
The Kenwood X303-4 is a 4-channel Class D power amplifier from the eXcelon series, engineered to deliver a rich and immersive audio experience in your car. With a maximum power output of 600W, it provides robust performance, delivering 50W RMS x 4 channels at 4 ohms or an increased 75W RMS x 4 channels at 2 ohms. This amplifier is also capable of bridged configurations, offering 150W x 2 at 4 ohms. Engineered for high-fidelity sound, the X303-4 is High-Resolution Audio Certified, surpassing CD standards to capture and reproduce the subtle details of your music. The inclusion of variable low-pass and high-pass filters, along with a bass boost, allows for precise audio tuning to suit your preferences and system setup. Installation is streamlined with a thoughtful one-side connection design, consolidating all terminals and connections for easier access and a cleaner appearance. It also features signal sensing turn-on capability, automatically powering up when it detects an audio signal, and includes a speaker level input harness, enabling seamless integration with factory head units that lack RCA pre-outs. Other features include an infrasonic filter and gauge-style terminals for secure wire connections.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandKenwood
Part NumberX303-4
CategoryMobile Electronics

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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