Listing my excellent condition Cleer Audio NEXT wired open back headphones. These were lightly used and show almost no wear at all. Comes with original cable, box, and carrying pouch. These are very well built...maybe even over engineered, but I like that! Easy to drive with 16 ohm impedance and 92db sensitivity.

Technical specifications are listed below.

• Type: Circum-aural, open-back headphones
• Transducer driver: 40mm dynamic Ironless™ driver with magnesium diaphragm, using a 20 rare-earth “Radial Magnet Structure” (Cleer proprietary patented engineering)
• Frequency range: 10Hz – 45kHz
• Impedance: 16Ohms (nominal)
• Sensitivity: 92db/mW
• Optimal power requirement: 10mW (0.4V)
• Max. SPL: 112dB / 1kHz (1% THD)
• Distortion (THD): < 0.3% / 1mW / 1kHz
• Cable length and type: 2m (6.6ft) detachable balanced output cable with 3.5mm (1/8”) gold-plated straight plug and professional LEMO plug connectors
• Connections: Each earcup has a separate high-quality LEMO input connector
• Plug type: 3.5mm (1/8”) gold-plated straight plug, 3.5mm to 6.35mm (1/4”) TRS adapter included
• Weight (excluding cable): 395g (13.9 oz)

As an added bonus, I'm including an 80GB iPod classic for free with purchase. It's been well-loved, but still functions great!