Authorized Dealer. STAX - SR-L300The first SR-Lambda series was introduced 36 years ago and it has further developed into a new-generation SR-Lambda with its newly designed enclosure - the new SR-L300 advanced Lambda series Earspeaker. TOP QUALITY SOUND ELEMENTHand-selected thin-film diaphragm as well as tough stainless fixed electrodes have been employed for the SR-L300. Thus, rich deep bass response, delicate high frequency, and soothing mid-range has been achieved in a balanced manner. SLIDE TYPE HEADBAND ASSEMBLYThe headband (ARC) assembly of the SR-L300 is equipped with step-less slider mechanism for head pad height adjustment. NEW LOW CAPACITANCE OFC WIDE CABLEOFC cable has been employed for the core wires. The entire cable is then arranged in a flat, WIDE format configuration to lower the capacitance between each wire and finished with the most suitable structure to drive the earspeaker. NEW HIGH-QUALITY SYNTHETIC LEATHER EARPADS:The new earpad design is carefully crafted with high-quality synthetic leather for utmost comfort for hours of music enjoyment as well as sound performance. SR-L300 SPECIFICATIONS:Type: Push-Pull electrostatic oval sound element, Open-Air type enclosureFrequency Response: 7 - 41,000HzCapacitance: 110pF (including cable)Sensitivity: 101dB / 100V r.m.s. 1 kHzBias Voltage: 580V DCLeft & Right Channel Identification: 'L' and 'R' indicated on the arc assembly, solid line (left) and dotted line (right) on cableEar Pads: High-quality synthetic leatherCable: OFC parallel 6-strand, low-capacity wide cable, 2.5m full lengthAmbient Temperature & Humidity: 0 to 35ºC / 90% max. without condensationWeight: 11.4oz without cable / 15.8oz with cable  Specifications and appearance are subject to change for improvement.