The latest addition to the Professional Studio line from AKG is called the K 171 Studio. Designed specifically for monitoring audio sources in noisy environments, these headphones combine the benefits of a closedback design and the comfort of supra-aural earphones. The K 171 Studio are light, extremely rugged, and easy-to-use headphones you can wear in many different ways.
Providing high noise attenuation and a powerful sound, they are as loud and convenient as DJs like them.The K 171 Studio will be a very good choice for DJ and broadcast use as well as any applications where no sound must leak from the headphones (e.g., TV productions).
Here's what AKG say about the K171 Mk2 Headphones
The K171 MKII professional on-ear, closed studio headphones provide the highest possible noise insulation, perfect for live sound mixing. In order to support familiar hearing habits, the K171 MKII's show a slight smiley face EQ curve with a little bass and treble boost.
Their well-defined bass reproduction makes the K171 MKII's the Number One playback headphones for demanding bass players and drummers worldwide. The professional mini XLR connector allows quick replacement of the cable. The package includes a 3m (10ft) straight cable, a 5m (16ft) coiled cable, and leatherette and velvet ear pads.
Headphone type: closed
Audio Frequency bandwidth: 18 to 26000 Hz
Sensitivity headphones: 107 dB SPL/V
Max. Input Power: 200 mW
Rated Impedance: 55 Ohms
Detachable cable: yes
Type: Stereo plug – 3.5mm (1/8-inch) with 6.3 mm (1/4”) screw-on adapter
Interface Finish: Gold
Length: 85 mm
Width: 185 mm
Height: 190 mm
Net Weight: 240 g