The DT 770 PRO is a closed dynamic headphone of exceptional quality suitable for the most demanding professional and audiophile applications. The long term comfort and accurate performance make the DT 770 PRO the perfect monitoring headphone for recording studios, post production or broadcasting situations.The low mass coil and diaphragm assembly produce a transient performance equalled only by electrostatic earphones, and, in combination with a carefully tailored frequency response offer a natural and balanced sound.Soft earpads and adjustable, sliding, earpieces together with a single sided connecting cable ensure listening comfort during extended periods of use. The DT 770 PRO features 32, 80 or 250 ohm drivers and a gold plated 3.5 mm stereo jack with 1/4" inch adapter, and is therefore suitable for use with almost all headphone amplifiers. Features• Closed diffuse field headphone• Excellent ambient noise attenuation (≥ 35 dBA)• Superb audio quality withhigh sound pressure level (105 dB)• Robust spring steel headband• Single sided cable (straight cable, 3 m long)with in-line volume control• Gold plated jack plug (3.5 mm) and adapter (6.35 mm) Specifications Headphone nominal impedance 250Ohms Cable options With cable Headphone cable type Coiled cable - single sided Additional specifications Transducer type: DynamicOperating principle: ClosedNominal frequency response: 5-35,000HzNominal impedance: 32Ω/80Ω/250ΩNominal SPL: 96dB SPLNominal T.H.D.: