Dynamic, 40mm diameter 3-layer compound diaphragm with viscoelastic center layer
Circumaural, closed back, bass ported
5Hz to 20kHz
200 Ohms (compatible with all McIntosh headphone outputs)
97dB (1mW @ 500Hz)
122dB (300mW @ 500Hz)
One Tesla annular neodymium magnet motor assembly
Leather
One 1 meter cable with 3.5mm stereo connector
One 3 meter cable with 6.3mm stereo connector
Both cables have gold plated custom designed connectors
1 lbs (464 grams)