MB QUART PWM304 User Manual

PREMIUM

PWM304

Thank you for choosing the MB Quart PREMIUM subwoofer for your car audio sound
system. With proper installation, you are on the path to experiencing your music in a
way you only imagined possible. Here at MB Quart, we call this “Sound In Every Detail.”

The PREMIUM series subwoofers have been designed for the audiophile looking for
tonal balance and incredible output from their woofer. The PREMIUM series subwoofers
feature the following:

- Carbon Fiber Cone & Dustcap

- UV Resistant Butyl Rubber Surround

- 2.5” High Temp Voice Coil

- Red Nomex Spider

- Quick Change Impedance Terminal

- Deep Drawn Stamp Steel Basket

- Heat-Dispersing Vented Pole Plate

- Anti-Resonant Magnet Cover

PWM304

PWM304

315.3mm / 12.41”

183.6mm / 7.23”

169.6mm / 6.68”

500-1000

4

84

30-250

30.48 cm / 12”

500-1000

4

84

30-250

30.48 cm / 12”

278mm / 10.94”

500-1000

84

30-250

30.48 cm / 12”

500-1000

4

84

30-250

30.48 cm / 12”

500-1000

4

4

84

30-250

30.48 cm / 12”

500-1000

4

84

30-250

30.48 cm / 12”

1

PWM304

QUICK CHANGE IMPEDANCE FEATURE

TERMINAL

IMPEDANCE

BLOCK

The 4-Ohm dual voice coils are wired in Series when the block is inserted with
8-Ohm showing and in Parallel when 2-Ohm is showing on the Terminal label.
As shown in the diagram above, changing the configuration is quick and easy.
Firmly grasp the lip of the block and pull from the terminal. Rotate 180 degrees
and re-insert. Please review page 4 for detailed wiring configurations.

2