The dynamic, circumaural, closed-back K77 gives you solid bass response with clean highs. It features comfortable leatherette earpads and offers a frequency range of 18 Hz to 20 kHz, maximum input power of 200 mW and rated impedance of 32 ohms for use with computers, MP3 players and digital keyboards.

Main Features:
• Closed-back, dynamic headphones
• Sensitivity: 115 dB/V
• Frequency range: 18 Hz to 20 kHz
• Rated impedance: 32 ohms
• Max. input power: 200 mW
• 2.5 meter single-sided cable(99.9% oxygen-free)
• Connector: stereo mini plug
• Adapter: convertible jack plug (1/8" to 1/4")
• Net weight (without cable): 6.7 oz. (190 g)