Sennheiser HMD26-II-600-S, Professional Broadcast Headset, Closed, supra-aural headphones, Impedance: 600 Ohm, mono, SPL (sound pressure level): 107 dB SPL at 1 kHz, 1V, Frequency response: 20 - 18,000 Hz, Microphone type: BMD 424, Dynamic, Noise-compensating, Hyper-cardioid, Frequency response: 40 - 16,000 Hz, Output voltage: 0.4 mV/Pa at 1 kHz, Impedance: 300 Ohm, Weight without cable: 130 g@+*Note:* Cable is not included.@+@+, Suitable cables are available under the following Article Nrs:@+@+, Article Nr #251432#, Article Nr #448025#, Article Nr #448028#