PWM304 Premium Subwoofer


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PWM304 Premium Subwoofer

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Availability: Discontinued

Part#: PWM304


MB Quart Premium 12 inch dual 4-ohm voice coil subwoofer, 1000 watts peak power 500 watts RMS.

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MB Quart Premium 12 inch dual 2.5 inch 4-ohm voice coil subwoofer, with switchable impedence for 2 ohm or 8 ohm operation, featuring glass fiber cone.

Coming Soon!

Category: Premium Subwoofers
SKU: 806576220817
Part #: PWM304

  • RMS Power Handling (CEA426B)
  • Peak Power Handling (CEA426B)
  • Voice Coils
  • Impedance
    2 x 4 Ohms
  • DC Resistance (Re)
    2.16 or 8.64
  • Free Air Resonance (fo) or (fs)
  • Mechanical "Q" (Qms)
  • Electrical "Q" (Qes)
  • Total Speaker "Q" (Qts)
  • Equivalent Compliance (Vas)
  • Sensitivity (1 watt/1 meter)
  • Xmax (millimeters) Excursion
  • Mounting Diameter
    10.94 inches
  • Outside Diameter
    12.41 inches
  • Mounting Depth
    6.68 inches

Features & Benefits
  • Woofer Configuration: Round
  • Voice Coil: 2.5" dual 4-Ohm
    High power handling with maximum heat dissipation
  • Voice Coil Former: Vented Aluminum Former
    Vented former allows more dissipation of heat
  • Spider: Dual Mirror Image Spiders
    The vented voice coil former is secured to Dual Mirror Image treated spiders that are designed for very linear excursion
  • Surround: Butyl Rubber
    Treated to withstand UV radiation
  • Cone: Woven glass fiber material
    Red fiber with a large-diameter concave dust cap. This provides not only a distinctive appearance, but a very strong, rigid, yet lightweight cone. Built on a deep-drawn, stamped steel basket finished in textured gray powdercoat
  • Venting: Through Frame and Pole Piece
    Air is exchanged over the voice coil to reduce overheating through the vents on the back of the frame and pole piece
  • Motor: High Energy Y30 Motor assembly
    High energy strontium ferrite magnet for higher output with minimal amplifier power
  • Terminals: Spring Loaded Terminals
    Premium subwoofers utilizes spring loaded terminals for positive and negative wire connections. Terminals are nickel-plated brass in a satin finish
  • Basket: Ultra Deep Drawn Stamped Steel
    Premium Subwoofer is built on a Ultra Deep Drawn Stamped Steel basket for increased rigidity and reduced flex. Also it is as ridged as cast baskets and unwanted weight

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