Ch 6 page 27 ELECTRICAL SYSTEM Speakers Dual Blaupunkt Performance GTx 402 SC speakers are installed in the truck cabin. Figure 41 Figure 42 Doorswitch Proximity door switch from Assemtech Europe. Figure 43 SHOP MANUAL Peak power handling 140 W RMS power handling 30 W Impedance 4 Ohms Frequency response 90 - 20.000 Hz Sensitivity 90 dB (2.83 V/m) Switching capacity Max. 10 W/VA Switching voltage max. 200 VDC/AC Switching Current Max. 0.5 A Contact resistance Max. 200 mOhms Switching distance Min. 10 mm Operating temperature -20°C to 85°C