Premium Subwoofers

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Woven Glass Fiber Cone

Premium Subwoofers use a two tone woven glass fiber cone that is very light and strong to deliver deep bass.

Ultra Deep Drawn Stamped Steel

The 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.

Dual Mirror Image Spiders

The vented voice coil former is secured to Dual Mirror Image treated spiders that are designed for very linear excursion.

Fused Impedance Terminal

The Premium Subwoofer was engineered with a fused selectable Parallel/Series Impedance terminal that allows the subwoofer to be either 2 or 8-Ohms.

Voice Coil

Premium is designed with a 2.5” dual 4-Ohm voice coil on a vented aluminum former to dissipate heat and handle high power demands while remaining musical.

Spring Loaded Terminals

The Premium subwoofers utilizes spring loaded terminals for positive and negative wire connections. Terminals are nickel-plated brass in a satin finish.

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Audiophile Power

The Premium Subwoofer from MB Quart is the most technologically advanced bass transducer the company has ever designed in its 50+ year history. The demands of mobile audio subwoofer systems are more strenuous than any musical application today. The Sound Pressure Levels that can be developed inside the vehicle can approach those of live concerts. Therefore, the Premium Series is designed to make very deep, musical bass and handle the power from the biggest amplifiers. Premium is engineered for a wide variety of enclosures; both sealed and vented. More information

Premium Specs

Model Size Power handling RMS Power handling MAXX Voice Coil Diameter Impedance Cut-Out Ø Chassis depth from flange
PWM304 12" 500 1000 2.5" Dual 4-Ohm 10.94" 6.68"
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