Whichever seat you choose to sit in, and whatever the weather you’re driving through, Lexus makes cruising comfortable and enjoyable. The uncompromising pursuit of performance and functionality extends to the audio and climate control systems. The 15-speaker Mark Levinson Premium Surround Sound System (Optional) was developed in collaboration with Mark Levinson, known as the ultimate in high-end audio. The proprietary 7.1-channel surround sound speaker architecture lets you enjoy an acoustic space with a rich presence.