Bundle Set SR-L300 + SRM-400S

Earspeaker System (SR-L300 + SRM-400S) SR-L300 (Earspeaker) Type: push-pull electrostatic, oval sound element, rear open-air type enclosureFrequency response: 7 – 41,000HzElectrostatic capacitance: 110pF (including attached code) Impedance: 145kΩ (including attached cable, at 10kHz) Sound pressure sensitivity: 101dB / input 100Vr.m.s. / 1kHz Bias voltage: 580V DC Ear pad: high-quality artificial leather (for SR-L300 only)Cable: parallel 6-strand, 2.5m full length, low-capacity special wide OFC cableWeight : 448g (including attached cable), 322g (without cable)   SRM-400S (Semiconductor Driver) SPECIFICATIONS All-stage FET configuration DC amplification driver unit Frequency response: DC - 90kHz (with one SR-L500 MK2) Gain: 60dB Harmonic distortion: 0.01% or less (1kHz/100Vrms output) Input impedance: 50k Ω (RCA), 50k Ω x 2 (XLR) Maximum output voltage: 400Vrms (1kHz) Bias voltage: DC 580V Operating temperature / humidity: 0 to 35 degrees celsius / less than 90% (non condensing) In