the Nakamichi NSI-NB893 8-inch Powered Underseat Subwoofer System. Built specifically for drivers who want powerful low-frequency impact without giving up boot or cargo space, this self-powered subwoofer combines a custom 8-inch driver with an integrated amplifier inside a rigid aluminum chassis.
Whether connected to a factory OEM head unit or an upgraded aftermarket radio, the NSI-NB893 adds immediate acoustic depth, warmth, and punch to all genres of music.
Key Features & Highlights
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All-In-One Active Subwoofer: Combines a high-efficiency built-in amplifier and an 8-inch subwoofer driver inside a single slim enclosure.
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Compact Underseat Profile: Designed with an ultra-slim enclosure height that easily slides beneath driver or passenger seats, keeping your boot space 100% clear.
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Heavy-Duty Aluminum Enclosure: Cast aluminum chassis eliminates acoustic resonance and provides maximum heat dissipation for reliable, long-lasting performance.
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Flexible Input Compatibility: Equipped with both RCA low-level inputs and speaker high-level inputs with auto turn-on, making integration seamless with factory or aftermarket stereo systems.
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Precision Sound Tuning: Includes adjustable low-pass filter (LPF), bass boost controls, and phase switch ($0^\circ / 180^\circ$) to match the bass seamlessly with your main door speakers.
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Wired Remote Bass Control: Includes a wired remote knob to adjust subwoofer volume directly from your dashboard on the fly.
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Package Contents
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1x Nakamichi NSI-NB893 8″ Powered Underseat Subwoofer
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1x Wired Remote Bass Control Knob & Cable
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High-Level Input Wiring Harness
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Mounting Brackets & Screw Hardware Kit
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1x User Manual
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