I still have a pair of M3s, albeit not in use.

To add to LP’s comment, I’d say the sound from the M3s is quite “punchy”. Lacks base, but enough to thoroughly enjoy.

William
808.6,HD621, Oppo 103EU, DSP5200SEs, DSW.2; 218, DSP3200s, Oppo 105D, Panasonic PVR, Panasonic plasma; F80