Recent content by raffetazarius

Sennheiser were bundling the Groove with the HD 660s for a while (now discontinued): https://en-us.sennheiser.com/headphones-audiophile-high-end-hd-660-s-apogee I'm surprised Sennheiser were doing this, given the 21 ohm output impedance of the Groove combined with the 150 ohm impedance of the HD...