Feel the bass, don’t just hear it. The Sony WH-ULT900N is engineered for those who love deep, powerful sound. Hit the ULT button to unleash a massive, club-like bass experience that brings your music to life. Switch on the effective Noise Cancelling to block out the world and immerse yourself in the vibe. With an epic battery life of up to 50 hours, the party never has to stop. It’s the ultimate headphone for bass lovers.