Sony MDR-CD2000

High Quality Closed-Front Open-Back Headphones create a wide and open sound stage and are ideal for use with all digital sound sources, from Sony Walkman® personal stereo players to Hi-Fi stereo components
Large 50mm Drivers for Deep Bass, Wide Dynamic Range are significantly larger than most headphones for noticeably deeper bass, lower distortion and wider dynamic range; frequency response extends down to a low 5Hz
25mm Thick Urethane Earpads distribute pressure evenly around the ear for exceptional comfort over extended listening sessions
Aura-Nomic Design driver faces the eardrum for enhanced sound, and headphones conform to the ear's anatomy for comfort
Bio-Cellulose Diaphragm blended with Vectran enhances natural sound reproduction
Extremely Wide Frequency Response 5Hz-30kHz spans frequencies above and below the entire audible sound spectrum
Self-Adjusting Headband for a customized fit and increased comfort
Higher Power Neodymium Magnet for maximum energy with minimum size; ounce for ounce, Neodymium is far more powerful than conventional Samarium Cobalt or Aluminum magnets
Replaceable Cloth Earpads are removable and washable
Detachable Wire may be removed for storage convenience, or if you would like to purchase a longer cord
Type Closed, Dynamic
Drive Unit 50mm Dome type
Diaphragm Vectran-combined bio-cellulose
Magnet Neodymium
Impedance 32 ohms (@1kHz)
Sensitivity 106 dB
Power Handling Capacity 1500mW
Frequency Response 5-30,000Hz
Cord LC-OFC Litz cord, detachable, single-sided, 11 1/2 feet (3.5m)
Plug Gold-plated, straight stereo mini plug