Audison APBMW S8-4.2 Subwoofer Driver | 300 W Peak Power | 200 mm | 4 ohm

• Developed with electroacoustic parameters customized for BMW-Mini to increase listening engagement, through powerful and crisp low frequencies, exploiting the acoustic load provided by the factory box.

• Neodymium Magnetic group with an inverted acoustic structure featuring an internal cone, to maximize performance while minimizing bulk and weight.
• 38 mm voice coil wound on aluminum support for considerable power dissipation and stability even during high excursions.
• Two 5 mm gaskets were provided for OEM placements.
•  2-ohm configuration for maximum output in combination with AP 8.9 bit in active multi-amplification.

TECHNICAL SPECS
Size    200 mm
Power Handling - Peak    300 W
Power Handling - Continuous    150 W
Impedance    4 Ohm
Frequency Response    40-500 Hz
Magnet Material    NEODYMIUM
Voice Coil Ø    50 mm
Voice Coil Material    COPPER
Woofer Qes    0.96
Cone Material    PRESSED PAPER CONE
Chassis Material    PLASTIC
Surround Material    RUBBER
Xmax    7 mm
Xmech    10 mm

ELECTRIC-ACOUSTIC SPECS
D    159 mm
Driver Displacement Volume    1.2
Re    3.8 Ohm
Fs    40 Hz
Vas    21 l
Mms    43 g
Cms    0.41 mm/N
BL    6.3 T•m
Qms    2
Qts    0.65
Diaphragm Area    198.6 cm2
Le Standard    0.5 mH
Reference Efficiency    0.13
Spl    88 dB