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Home Subwoofers 18" Subwoofers

18" Subwoofers

  • Enforcer II PW™ 18" Powered Pro Audio Subwoofer Cabinet (Pair)
    $1,699.99
    $864.99
    In Stock

    Model #: Enforcer II PW™ (18" Powered Subwoofer-Pair) 18" PA Subwoofer Loudspeaker 120 Ounce Magnet / 4" Voice Coil 1200 Watts RMS / 8 Ohms per 18" Sub

  • Magma-118S - Passive 18" High Power Subwoofer Cabinets (Pair)
    $1,299.99
    $749.99
    Only 5 left! Order now!

    Model #: Magma-118S (Pair) 18" PA Subwoofers - 4" Voice Coil 800 Watts RMS each Pole Mount


  • Aftershock 18™ - 18" Powered Pro Audio Subwoofer Cabinet (Pair)
    $1,399.99
    $699.99
    In Stock

    Model #: Aftershock 18™ (18" Powered Sub Woofer-Pair) 18" PA Subwoofer Loudspeaker Built in High Efficient Amplifier Master Volume / 3 Band EQ / LPF


  • Magma-118S-PW - Active 18" High Power Subwoofer Cabinet
    $999.99
    $599.99
    Out of Stock

    Model #: Magma-118S-PW (18" Active Sub Woofer) 18" PA Subwoofer - 4" Voice Coil Built in High Efficient Amplifier Master Volume Control



  • Enforcer II™ 18" Chest Thumping Pro Audio Subwoofer Cabinet (Pair)
    $919.98
    $599.99
    Only 6 left! Order now!

    Model #: Enforcer II™ (18" Subwoofer Cabinet-Pair) 18" PA Subwoofer Loudspeaker 120 Ounce Magnet / 4" Voice Coil 1000 Watts RMS / 8 Ohms per 18" Sub

  • Tremor 18™ - 18" Powered Pro Audio Subwoofer Cabinet (Pair)
    $999.99
    $599.99
    In Stock

    Model #: Tremor18™ (Pair) 18" PA Subwoofer Loudspeakers 500 Watts RMS / 8 Ohm Powers Satellite Speakers



  • Pair of 18" PA Bass Sub woofer Cabinets
    $999.99
    $484.99
    Out of Stock

    Model #: SA-18SFFPKG1 (Pair of 18" Subwoofer Cabinets) Two 18 Inch PA Subwoofer Loudspeakers 90 Ounce Magnet / 3 Inch Voice Coil 500 Watts RMS each / Wired at 8 Ohms

  • Enforcer II PW™ 18" Powered Pro Audio Subwoofer Cabinet
    $849.99
    $439.99
    In Stock

    Model #: Enforcer II PW (18" Powered Subwoofer) 18" PA Subwoofer Loudspeaker 120 Ounce Magnet / 4" Voice Coil 1200 Watts RMS / 8 Ohms per 18" Sub



  • Magma-118S - Passive 18" High Power Subwoofer Cabinet
    $649.99
    $399.99
    Only 10 left! Order now!

    Model #: Magma-118S (18" Passive Sub Woofer) 18" PA Subwoofer - 4" Voice Coil 800 Watts RMS Pole Mount


  • Aftershock 18™ - 18" Powered Pro Audio Subwoofer Cabinet
    $699.99
    $359.99
    In Stock

    Model #: Aftershock 18™ (18" Powered Sub Woofer) 18" PA Subwoofer Loudspeaker Built in High Efficient Amplifier Master Volume / 3 Band EQ / LPF


  • Tremor 18™ - 18" Powered Pro Audio Subwoofer Cabinet
    $549.99
    $314.99
    In Stock

    Model #: Tremor18™ (18" Powered Sub Woofer) 18" PA Subwoofer Loudspeaker 500 Watts RMS / 8 Ohm Powers Satellite Speakers

  • Enforcer II™ 18" Chest Thumping Pro Audio Subwoofer Cabinet
    $499.99
    $314.99
    In Stock

    Model #: Enforcer II™ (18" Subwoofer Cabinet) 18" PA Subwoofer Loudspeaker 120 Ounce Magnet / 4" Voice Coil 1000 Watts RMS / 8 Ohms per 18" Sub




  • 18" PA Bass Sub woofer Cabinet
    $369.99
    $249.99
    Out of Stock

    Model #: SAP-18SFF (18" Subwoofer Cabinet) 18" PA Subwoofer Loudspeaker 90 Ounce Magnet / 3" Voice Coil 500 Watts RMS / 8 Ohms per 18" Sub

  • 18" Down Firing Pro Audio Subwoofer Cabinet
    $359.99
    $239.99
    In Stock

    Model #: SAP-18S (18" Subwoofer Cabinet) 18" PA Subwoofer Loudspeaker 90 Ounce Magnet / 3" Voice Coil 500 Watts RMS / 8 Ohms per 18" Sub


  • 18" Empty Pro Audio PA/DJ Subwoofer Cabinet
    $269.99
    $174.99
    In Stock

    Model #: SAP-18SFF Empty 18" PA Empty Subwoofer Speaker Wire, Jack Plate included Load with your own Speakers


18 Inch Subwoofers - 18" Stage Subwoofers


Our 18 inch Subwoofers are the biggest baddest speaker cabinets around. For true low end power, there is no substitute for an 18” subwoofer. To reach the lowest audible frequencies, you must use an 18” sub. This size of speaker is the most common configuration for bass and low end rumble for good reason. Get your boom, get your thump, get them all from Seismic Audio at a fraction of the price of the big name brands. Seismic Audio offers many different models of 18 inch subwoofers to choose from, including powered and passive versions. The number of subwoofer cabinets you will need is dependant on a number of factors. Preference also plays a huge part in your decision. In this section you will find Powered 18” Subwoofers, Passive 18” Subwoofers, Down firing subwoofers and 18 inch subwoofers with folded horns. Shop around and see which of our 18” Subwoofers is right for you. If you still can not decide, call one of our audio experts to help you decide on the best 18” Subwoofer right for you.