Competition Subwoofers

Shop NX LVL Audio competition subwoofers engineered for serious high-output car audio. Compare KONG and SLEEPER platforms from 3,000 to 5,000 watts RMS, with 12-inch and 15-inch options for powerful musical builds.

Choose the cone size, RMS power and voice-coil configuration that match your amplifier, enclosure and electrical system. Start with our competition subwoofer buyer’s guide or use the System Match Tool on the homepage.