Bose QuietComfort Ultra Headphones Colour:Black 3db tweeter attenuation switch that

3db tweeter attenuation switch that allows you to adjust the treble to suit your listening

A cone moving this far at this frequency will supply so many dBs and no more

single-sided Connection Gold-plated mini stereo jack (3

12VDC power supply

All mounting accessories is included providing a simple and hassle-free installation

Bose QuietComfort Ultra Headphones Colour:Black 3db tweeter attenuation switch thatBose QuietComfort Ultra Headphones The Bose QuietComfort Ultra Headphones deliver world class noise cancellation, quieter than any previous Bose over ear headphone. Breakthrough Bose Immersive Audio creates a spatialised listening experience, while luxe materials and an elevated design ensure unrivalled comfort for all day wear. Three listening modes Quiet, Aware, and Immersion let you choose exactly how you engage with your music and the world around