Slash Roars into New Territory with On-Board Audio (OBA)

Slash roars into new territory with the On-Board Audio System, exclusively from Traxxas. With the touch of a button and the flick of a switch, the sound of a 900 HP engine revs to life. Powerful and loud, you will HEAR and FEEL the thunder and the speed of short course racing! Supercharge your driving fun with this intuitive sound, sampled from actual Traxxas team trucks, featuring authentic gear shifting and engine revving mode. The On-Board Audio System is rugged and waterproof for the thrill of all-weat