Kenwood X503-1221DHP X503-1 Mono Amplifier & P-XW1221DHP 12" Dual Subwoofer

Kenwood X503-1221DHP X503-1 Mono Amplifier & P-XW1221DHP Dual 12" Subwoofer System

Take your car audio to the next level with the Kenwood X503-1221DHP system. This package combines the powerful eXcelon X503-1 Class D Mono Amplifier with the precision-engineered P-XW1221DHP dual 12-inch subwoofer enclosure. Designed for serious bass lovers, this system delivers high-efficiency power, rugged build quality, and deep, impactful low frequencies that transform your in-car listening experience.

Key Features

• Complete Bass Solution - Includes a high-powered Class D mono amplifier and a dual 12-inch preloaded enclosure for perfectly matched performance.
• Peak Power Handling - Subwoofer system delivers 2000W peak / 1000W RMS, while the amplifier outputs 1000W max / 500W RMS.
• Efficient Class D Design - Compact, powerful, and energy efficient with advanced thermal management.
• Advanced Low-Frequency Tuning - Equipped with infrasonic filter, bass boost, and variable low pass filter for deep, clean bass response.
• Premium Build Quality - Subwoofer enclosure crafted from 5/8" MDF with a 3/4" thick baffle for maximum durability and acoustic accuracy.
• Flexible Installation Options - Forward, rear, or down-firing placement with a slant-back design for easier SUV or trunk fitment.
• Durable Components - Includes stress-controlled spider, dual area polypropylene cone, steel mesh grilles, and advanced airflow cooling system.
• Convenient Controls - One-side connections, speaker-level input harness, and wired remote for quick installation and easy subwoofer volume adjustments.

Specifications

• Amplifier Model: eXcelon X503-1 Class D Mono Power Amplifier
• Amplifier Power: 1000W Max - 500W RMS @ 2Ω / 300W RMS @ 4Ω
• Subwoofer Model: P-XW1221DHP Dual 12" Preloaded Enclosure
• Subwoofer Power: 2000W Peak / 1000W RMS
• Frequency Response: 29Hz - 300Hz
• Impedance: 2Ω (subwoofer), 2Ω/4Ω (amplifier compatibility)
• Sensitivity: 87 dB
• Signal to Noise Ratio: 85 dB
• Material: Injection polypropylene dual area cone, aluminum bobbin, closed yoke with advanced airflow control
• Enclosure Construction: 5/8" MDF with 3/4" MDF baffle, slant-back design, down-firing structural support
• Additional Features: Infrasonic filter, bass boost, magnetic shielding, steel mesh grilles

Why Choose This System?

The Kenwood X503-1221DHP is a powerhouse package engineered for enthusiasts who demand maximum performance without compromise. With precision-matched amplifier and subwoofer components, premium construction materials, and cutting-edge thermal and airflow technologies, it ensures deep, punchy bass and clean audio reproduction at any volume level. Whether you’re installing in a trunk, SUV, or custom setup, this system delivers reliable performance, flexible installation, and long-lasting durability.

About Kenwood eXcelon

Kenwood eXcelon represents the brand’s highest standard in mobile audio engineering. Known for superior build quality, advanced features, and uncompromising sound performance, eXcelon products are trusted by audiophiles and installers worldwide. With Kenwood’s legacy of innovation, this system delivers both power and precision for a premium in-car audio experience.