This high-class audio system is developed specifically for Volvo Cars with the hi-fi specialists at Harman Kardon. Powered by a multi-channel digital amplifier with up to 650 watts output, the 14 speakers are tailored to the acoustics inside your Volvo and deliver a powerful, captivating surround sound experience. A unique sound processing software – Dirac® Unison Tuning – optimises the response of each individual speaker as well as the combined output to ensure a performance of perfect harmony.