K 171 MK II

Professional hi-fi stereo studio headphones
Self-adjusting headband for optimum fit
Patented Varimotion speakers
High ambient noise attenuation
For broadcast and DJ use
Rugged construction for tough handling
Leatherette ear pads and additional velvet ear pads
Single-sided, detachable 3 m cable and additional 5 m coiled cable

The newly designed K 171 MK II combines the benefits of a closed-back design with the lightweight and comfort of supra-aural headphones.

The K 171 MK II is an excellent choice for DJ and broadcast applications where no sound can bleed from the headphones into live microphones.

The closed-back, loud and rugged design gives the K 171 MK II a different low-frequency character and maintains its comfort and flexibility.

Supraaural, closed-back headphones with self-adjusting headband; Applications: Professional, portable stereo-headphones for monitoring and broadcast applications; Frequency range: 18–26.000 Hz; Sensitivity: 94 dB at 1 mW / 107 dBV; impedance: 55 ohms per channel; power handling capability: 200 mW; Cable: 3 m and 5 m (OFC) single-sided, plug-in, easily replaceable cable with mini-XLR connector and with hard-gold plated, screwable 1/4" jack plug; Net (headphones without cable)/shipping weight: 200/500 g (7.1 /17.6 oz.).

Type	closed-back, dynamic headphones
Sensitivity	94 dB/mW, 107 dB/V
Frequency range	18 to 26,000 Hz
Rated impedance	55 ohms
Max. input power	200 mW
Earpads	leatherette and velvet
Cable	3 m single-sided and 5 m coiled cable (99,9% oxygen-free); plug-in cable on headphones (mini-XLR connector)
Connector	gold plated stereo mini jack
Adapter	gold plated 1/8" to 1/4" screw-on adapter
Net weight (without cable)	200 g (7.1 oz.)
Shipping weight	500 g (17.6 oz.)
Patent(s)	Varimotion – multiple-thickness diaphragm for dynamic transducer (Patent no. AT 403.751, US 6,185,809, EP 814.637 (DE, DK, FI, FR, GB, IT, NL), JP 3.927.651); Acoustics slot resistor for dynamic transducer (Patent no. AT 408.706, US 6,639,991, ZL 01116806)