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Special capacitors and inductors have been carefully selected for the digital amplifier’s LC filter, which is essential for achieving highresolution audio. These high-performance parts reduce noise and distortion and ensure excellent sound quality.
By using a down-firing subwoofer and superior technologies, the audio system generates high-quality sound and powerful bass, while still being compact.


The feedback value of the current XR Amplifier has been optimized to improve the S/N ratio. As a result, the noise level has been reduced by up to 40%. The wired remote control allows you to adjust the volume of a subwoofer when connected to the head unit.
The noise reduction system employs a special layout that separates the analog circuit, digital amplifier circuit and power supply circuit. This keeps interference between the circuits to a minimum, decreasing noise and thereby achieving high performance and sound quality.


Kenwood's Excelon Series mobile audio components feature their highest level of technology in advanced designs that give you the great sound and quality you expect from Kenwood. Their subwoofer enclosures are built to last, with solid enclosures and subs made to kick out the jams.
The P-XW1221SHP comes loaded with one 2-ohm 12" Excelon Series subwoofer. The sub's polypropylene cone features a diamond array pattern to minimize distortion, while the rubber surround and computer-optimized stress-controlled spider keep things on track. The speaker is designed to dissipate heat generated by extended high-powered use, with internal works that direct airflow to avoid overheating.


The rugged enclosure is built from 5/8" MDF with a 3/4" thick internal baffle to give the subs solid support. The box's slant-back design suppresses standing waves which can interfere with bass response, and allows it to fit neatly behind the rear seat of an SUV. Rounded port corners reduce port noise and airflow resistance. The P-XW1221D can be used in front-facing, rear-facing, or down-firing applications. Steel-mesh grilles protect the speakers from accidental damage.
This box handles up to 600 watts RMS, so you'll want an amplifier with the power to get the best from this enclosure. The P-XW1221D is performance-matched to Kenwood's Excelon XR601-1 amp (sold separately). Whatever power source you choose, you'll get huge bass with the performance and quality you need.
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