Sennheiser HD 650 Headphones are dynamic, open-back, over-the-ear headphones. As one of Sennheiser's flagship headphones, the HD 650 Reference Class Headphones deliver a professional, audiophile-grade sound, with clear, warm highs, and detailed and accurate bass.
With overall sound quality comparable to $1,000 headphones, the HD 650s represent a perfect personal audio solution for any music lover. At an impedance of 300 ohms, the HD 650s are perfect for both home and on-the-go use.
Unlike many other headphone companies, Sennheiser offers replacement parts just in case, including headband, stock cable, and ear cushions.The headphone cable is detachable and many companies offer specialized, premium OCC and silver cabling specifically designed for the HD 650 that can be terminated to balanced XLRs.
Read reviews of Sennheiser HD 650 headphones here: http://www.head-fi.org/products/sennheiser-hd-650-headphones/reviews
Read the Sennheiser HD 650 owner appreciation thread here: http://www.head-fi.org/t/197776/sennheiser-hd650-appreciation-thread
Model: HD 650 (Reference Class Professional Headphones)
Headphone Type: Over-Ear, Open-Back
Impedance: 300 ohms
SPL - Sound Pressure Level: 103 dB (decibels)
THD - Total Harmonic Distortion: 0.05%
Transducer Type: Open and Dynamic
Cable Length: 3 meters (9.8 feet)
Weight: 9.2 ounces