
| Type | Open-back, dynamic headphones |
| Efficiency | 105 dB/V |
| Frequency range | 10 Hz to 39.8 kHz |
| Rated impedance | 62 ohms |
| Max. input power | 200 mW |
| Cable | bi-wiring, single-sided, 99.99% oxygen-free cable, 3 m (10 ft.) |
| Connector | 1/4" hard gold plated |
| Net weight (without cable) | 235 g (8.3 oz.) |
| Patent(s) | Varimotion – multiple-thickness diaphragm for dynamic transducer (Patent no. AT 403.751, US 6.185.809) |