The SRS-002 is a battery operated portable type in-the-ear earspeaker system, and can be used by connecting direct to any portable media via 3.5mm headphone jack.
The redesigned ear canal type structure of the S-002 enables you to enjoy excellent electrostatic sound quality without covering your ears. The S-002 connects to the newly designed STAX SRM-002 portable driver.
Frequency Response: 20 to 20kHz
High Harmonic Distortion: Max 0.1% (1kHz at 100V r.m.s. )
Rated Input Level:100mV / 50V Output
Input Impedance: 10KΩ
Max. Output Voltage: 230V r.m.s. (1kHz)
Power Consumption: 0.75W (alkaline battery) 1.2W (AC adapter)
Dimensions: 5.2 (W) x 1.5 (H) x 5.2 (D) in
Weight: 3.6oz without battery
Battery: size AA battery x2 (Alkaline battery, Rechargable , Magnesium Dry Cell)