The Ultimate plug and play* audio upgrade for your BMW with basic audio system (no amp)

Package consists of:

2x audison ap bmw s8-4 underseat subwoofers (4 ohm)

1 pair of audison ap bmw k4m 4" door component speakers (if your vehicle does not have a separate existing tweeter, the mirror trim will be required from bmw to fit each door)

1 focal impulse 320.4 amplifier

1 focal impulse bmwimp2.1 wiring kit

*The only additional wiring required would be a length of power cable from battery to the impulse harness and a short ground lead.

specs:

impulse amp: Micro 4ch amplifier • Plug and play design iso wiring loom • Works with OEM and aftermarket headunits • Speaker input and RCA input • 4 x 55 watts rms @ 4 ohms • 4 x 80 watts rms @ 2 ohms • 2 x 160 watts rms @ 4 ohms • Front and rear gain controls • Fixed high pass or full range front channels • Low pass rear channel filter • 6 7/8" x 2 5/8 x 1 7/8 inch dimensions • 175 x 66 x 47mm dimensions

impulse wiring harness: • BMW installation harness for the Impulse 4.320 amplifier • Developed with twisted cables to effectively eliminate disturbance • Specific BMW connectors for a quick and flawless connection • Length: 13ft (4m)

audison door components:

Technical Specification

Woofer Size mm (in.): 100 (4)

Tweeter Size mm (in.): 29 (1.1)

Power Handling: 100W peak, 50W continuous

Impedance: 4 Ohms

Frequency Response Hz: 90 - 23k

Sensitivity dB: 89

Crossover Type: Hi-Pass - 6 KHz @ 6dB/Oct.

Component adjustment dB: -3, 0

Woofer Magnet size D x d x h mm (in.):

50 x 29 x 3 (1.97 x 1.14 x 0.12)

Tweeter Magnet size D x d x h mm (in.):

24.5 x 4 (0.96 x 0.16)

Weight of one speaker Kg (lb): Woofer 0.426 (0.94)

Tweeter 0.06 (0.13)

Voice Coil Woofer 25mm (1") Tweeter 25mm (1")

audison underseat woofers:

Technical Specification

Size mm (in.): 200 (8)

Power Handling: 300 W peak, 150W continuous

Impedance: 4 Ohms

Frequency Response Hz: 35 - 500

Magnet size D x d x h mm (in.):

48 (1.89) x 18 (0.71) x 7 (0.28)

Weight of one speaker kg (lb.): 1.21 (2.67)

Voice Coil mm (in.): 50 (2)