Bose Nissan GT-R Sound System Tech 17/02/2014 Audio Bose Nissan GT-R Speakers Bose Nissan GTR Sound System totals 11 speakers: Center 8 cm x1 full-range Doors 2.5 cm x2 tweeters 8 cm x2 mid-ranges 16 cm x2 woofers Rear shelf 8 cm x2 full-range Rear center subwoofer 23 cm x2 (with separate built-in 200w amplifier) Bose Nissan GT-R Audio Amplifier 197 W digital amplifier for 9 speakers 200 W PWM amplifier for the 2 subwoofer speakers The built-in DC-DC converter enables voltage to be amplified from the ordinary 12 volts to 52 V Bose Nissan GT-R audio system photo gallery