Stax SRS-002 In-The-Earspeaker System

Features Re-designed Ear Piece Lighter diaphragm Enjoy excellent electrostatic sound quality Newly designed power supply Switchable power mode between Normal (performance) or ECO (battery saving) Stax SR-002 Specifications Type: Push-Pull electrostatic circular sound element, In-The-Earcanal type enclosure Frequency Response: 20-20kHz (4dB) Capacitance: 44pF (including cable) Sensitivity: 110dB / 100V r.m.s. 1 kHz Bias Voltage: 550-580V DC Ear Pads: Silicone earbuds Cable: parallel 6-core, 1.5m full length Stax SRM-02 Specifications Frequency Response: 20 to 20kHz High Harmonic Distortion: Max 0.1% (1kHz at 100V r.m.s. ) Gain: 54dB Rated Input Level: 100mV / 50V Output Input Impedance: 10K ohm Max. Output Voltage: 230V r.m.s. (1kHz) Power Consumption: 0.75W (alkaline battery) 1.2W (AC adapter) Dimensions: W5.2 x H1.5 x D5.2 in Weight: 3.6oz Battery: AA battery x2 Continuous Operating Time: 5hrs AC adapter: DC4.5V/300mA