• Type: push-pull electrostatic, oval sound element, rear open-air type enclosure
• Frequency response: 7 – 41,000Hz
• Electrostatic capacitance: 110pF (including attached code)
• Impedance: 145kΩ (including attached cable, at 10kHz)
• Sound pressure sensitivity: 101dB / input 100Vr.m.s. / 1kHz
• Maximum sound pressure level: 118dB / 400Hz
• Bias voltage: 580V DC
• Ear pad: high-quality artificial leather
• Cable: parallel 6-strand, 2.5m full length, low-capacity special wide HiFC cable
• Weight : 465g (including attached cable), 339g (without cable)

Stax SRM-353X （Driver unit）

• Frequency response: DC – 90kHz (when used with one SR-L series Earspeaker)
• Rated input level: 100mV (at 100V output)
• Gain: 60dB
• Harmonic distortion: 0.01% or less (with one SR-L500 at 100Vr.m.s. / 1kHz output)
• Input impedance: 50kΩ(RCA) / 50kΩx 2 (XLR)
• Input terminal: RCA x 1 or XLR x 1 (alternative)
• Maximum output voltage: 400Vr.m.s. / 1kHz
• Standard bias voltage: DC580V
• Mains voltage: Different depending on the area.
• Power consumption: 30W
• Operating temperature / humidity: 0 to 35 degrees C / less than 90% (non condensing)
• Dimension(W x H x D): 150 x 100 x 360 mm (protruding portion included)
• Weight: 3.0kg
• Others: input-bypassing parallel output (RCA)