amplifier power, and just seven speakers. (The existing factory-installed rear speakers receive their own custom equalization courtesy of the new digital amplifier, which means they match the voicing of the OEM Audio Plus replacement speakers.)

When listening to tracks with which I'm intimately familiar, I even noticed instruments and background vocals I'd never heard before. Even more remarkable was the system's ability to play loud without distortion or strain, one of the hallmarks of an outstanding listening experience. This achievement is due in part to the design of the digital amplifier. It has been perfectly matched and tuned to the full-range speakers working in harmony with the subwoofer.

The OEM Audio Plus tagline is "Clean, Crisp, Clear." I couldn't agree more. If you're purchasing a Scion iQ, tC, or xB, you must tick off the box for this system on the accessory list for. You won't be disappointed.