Mobile Electronics› Power Accessories

Kenwood

1000W Class D Mono Power Amplifier

$299.00

SKU: X503-1

In Stock
In Stock
Ships by Sep 12
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
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Moderate — 2–4 hours

Overview

The Kenwood X503-1 is a Class D mono power amplifier designed to deliver precise and impactful bass. It offers 300W RMS at 4Ω and 500W RMS at 2Ω, with a maximum power output of 1000W. This amplifier features a compact design for easy installation and includes advanced controls for fine-tuning your audio.
Show original supplier description
The Kenwood X503-1 is a powerful and efficient Class D mono amplifier engineered to deliver precise, impactful bass. With an RMS power output of 300W at 4 ohms or 500W at 2 ohms, and a maximum power of 1000W, this amplifier is ideal for enhancing any car audio system. Designed with user-friendly features and advanced sound-shaping capabilities, the X503-1 includes a variable low-pass filter for precise bass tuning and an infrasonic filter that cuts off frequencies below 25Hz, improving amplifier efficiency and ensuring clean bass output. An adjustable bass boost control allows for enhanced low-frequency impact. The amplifier's compact dimensions (8-3/8" W x 2-1/16" H x 5-7/8" D) and lightweight design (3.3 lbs) facilitate installation in tight spaces. It also features a one-side connection design for a cleaner look and easier setup. Connectivity options include a speaker-level input harness for seamless integration with factory receivers and line-in terminals. The included wired remote allows for convenient subwoofer volume adjustments, providing versatile control over your audio experience.

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.

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Specifications

BrandKenwood
Part NumberX503-1
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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