Introducing Audeze's most advanced headphone yet - CRBN 2 - which features second-generation carbon-nanotube electrostatic drivers and breakthrough technology. Experience the most powerful, tactile bass response of any electrostatic headphone and vividly holographic spatial imaging. To enjoy CRBN 2 at it's best pair it with our top of the line Blue Hawaii Special Edition! Exciting Update Building on the easy to listen to CRBN, these second generation electrostatic headphones have a clear presentation and lightweight comfortable fit that will keep you listening all day. CRBN2 excels with accurate low frequency performance and shows off unmatched dynamic range. Specs Headphone StyleOver-ear, open-back Attached cable2.5m OCC monocrystal copper, 5-pin Pro Bias HousingMagnesium, stainless steel and polymer acetate Earpad materialPremium leather HeadbandCarbon fiber and premium leather Weight300g The Drivers Transducer TypePush-pull electrostatic Diaphragm TypeUltra-thin custom carbon nanotube Transducer Size120mm x 90mm Electrostatic Capacitance 100 pF (including cable) Functional Bias Voltage580 VDC Stax Pro Bias Max SPL >120dB Frequency Response20Hz to 40kHz THD