The Massdrop x Sennheiser HD 6XX headphones will be available again on Monday, June 26 at 6 a.m. PT for $ 249.99 with free domestic shipping.
This drop will be limited to 7,500 units

Specs
[LIST][*]Massdrop x Sennheiser[*]Color: Midnight blue[*]Transducer principle: Open, dynamic[*]Frequency response: 10 Hz – 41 kHz[*]THD: < 0.05%[*]Nominal impedance: 300 ohm[*]Cable length: 6 ft (1.8 m)[*]Connector: ⅛ in (0.3 cm)