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    NX LVL Audio

    SLEEPER 12″ 4,000W RMS Competition Subwoofer

    SLEEPER 12″ 4,000W RMS Competition Subwoofer

    $850.00 USD
    $850.00 USD
    Sale Sold out
    Shipping calculated at checkout.

    Built for extreme power in a compact 12-inch platform. The NX LVL Audio SLEEPER 12-inch subwoofer is rated for 4,000 watts RMS and 8,000 watts peak for serious high-output car audio systems.

    Confirmed specifications

    • Subwoofer size: 12 inches
    • Power handling: 4,000 watts RMS
    • Peak power: 8,000 watts
    • Series: NX LVL Audio SLEEPER

    Build it right

    For reliable musical output, use a properly designed enclosure, adequate electrical support, correct wiring, and a clean, unclipped signal. Set amplifier gain and crossover points for the completed system.

    Contact NX LVL Audio before ordering to confirm voice-coil configuration, mounting dimensions and enclosure requirements for your build.

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    Built for the entire system

    Power is only useful when the build works together

    Match your subwoofer, amplifier, electrical support, enclosure and final impedance before turning the system up. NX LVL helps you build around the complete goal—not one number.

    12 Inch Subwoofer
    4000W RMS
    01

    Match the power

    Use clean RMS power, proper gain setup and an amplifier rated for the final wired load.

    02

    Support the electrical

    High-output systems require charging and battery capacity that can hold voltage under musical demand.

    03

    Build the enclosure

    Your enclosure and usable vehicle space determine how efficiently the subwoofer delivers the response you want.

    Not sure yet?

    Let NX LVL match your build

    Send us your amplifier, electrical setup, space and listening goal.
    Get system help