SR990 - Closed-Back Studio Reference Headphones Samson SR990 Closed-Back Studio Reference Headphones are meticulously designed to provide an accurate and balanced stereo image for music enthusiasts and o professionals alike. Ideal for mixing, critical listening, and music playback, the SR990s an extended frequency range with a detailed bass response and ultra-clear highs. Studio Sound Equipped with 50mm neodymium high-sensitivity drivers, the SR990s exceptional sound quality and clarity so you can mix with confidence. A wide 20Hz20KHz frequency response allows listeners to hear o the way it was intended to be heard with a clear dedication to o accuracy and maintaining a true and natural sound. Premium Comfort Listen in comfort on the go, or at the studio with the closed-back design that provides ample sound isolation with minimal bleed. The SR990s feature a durable and ergonomic design with a wide, self-adjusting headband and velour earpads for a secure fit and extra-comfortable marathon listening sessions. SR990s include a 1/8-1/4 gold-plated adapter and a set of both velour and high-protein earpads. Recommended Use: Recording, o for Video, Journalism, Home video, Multimedia, Gaming, VOIP, Podcasting, Streaming Specification : Type: Over-ear, closed back Driver: Dynamic Driver Unit: 50mm with Neodymium magnet Frequency Response: 20Hz 20kHz Impedance: 32 Sensitivity: 95dB @ 1kHz/1mW Cable: 8.25' (2.5m) Connector: Gold-plated 1/8 (3.5 mm) stereo mini connector with gold-plated 1/8 (3.5 mm) to 1/4 (6.3 mm) adapter Earpads: Velour and Protein-leather Clampign Force: 5N (1.12 lb) Weight: 9.52oz (270 g)