Sennheiser HD650 Harman Kardon The HD 600 Avantgarde are

The HD 600 Avantgarde are audiophile-quality

our memory foam tips create a perfect seal that keeps you focused on your audio without distractions

we need to account for the resonance inside the average ear canal

Tuned for the studio but exciting enough for everyday use with surprisingly deep bass and little fatigue over long listening sessions – the best of both worlds

Sennheiser HD650 Harman Kardon The HD 600 Avantgarde areOverview The audiophile HD 650 is the ultimate in open, dynamic headphone design. Developed from the award winning HD 600, the HD 650s feature improved materials for even better sound reproduction. They captivate the listener with their expressiveness and emotion while maintaining absolute precision and lifelike reproduction. Enjoy sound in perfection! Features Systems with narrow tolerances ( 1 dB), hand picked in pairs Highly optimised magnet