Prima APBMW S8-4.2 is a BMW Subwoofer from Audison.
The 200 mm driver operates with a 4 Ohm impedance.
The continuous power is 150 W, and the peak power is 300 W.
It features a neodymium magnet, a cone made of pressed paper, and a plastic chassis.
The voice coil with a diameter of 50 mm is made of copper.
The frequency response is specified as 40–500 Hz.
Xmax is 7 mm, and Xmech is 10 mm.
The surround is made of rubber, and the weight is 1.21 kg.
Electroacoustic parameters are defined specifically for BMW and Mini, and two 5 mm seals for OEM positioning are included.
Features BMW Subwoofer 200 mm size Impedance 4 Ohm Continuous power 150 W Peak power 300 W Frequency response 40–500 Hz Magnet material neodymium Voice coil Ø 50 mm Voice coil material copper Cone made of pressed paper Chassis made of plastic Surround made of rubber Xmax 7 mm Xmech 10 mm Weight 1.21 kg Electroacoustic parameters specific to BMW and Mini Two seals 5 mm for OEM positioning Technical Data 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 Qes 0.96 Qts 0.65 Diaphragm Area 198.6 cm² Le 0.5 mH Reference Efficiency 0.13 SPL 88 dB Dimension A 217 mm Dimension B 239 mm Dimension C 191 mm Dimension D 55.2 mm Dimension E 32 mm Dimension F 229 Dimension G 5 mm Compatibility: BMW 1 Series E81, E82, E87, E88, F20, F21, F52; BMW 2 Series F22, F23, F45, F46, F87; BMW 3 Series E90, E91, E92, E93, F30, F31, F34, F35, F80; BMW 4 Series F32, F33, F36, F82, F83; BMW 5 Series E60, E61, F07, F10, F11, F18, G30, G31; BMW 6 Series F06, F12, F13, F14; BMW 7 Series F01, F02, F03, F04, G11, G12; BMW Mini F55, F56, R60, R61, F54, F60, F57; BMW X1 E84, F48, F49, E83