Shure KSE1200SYS electrostatic in-ear headphone system Specifications

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Description: In-ear headphones with electrostatic drive-units and dedicated headphone amplifier and power supply. Drive-unit polarizing voltage: 200V DC. Maximum output voltage: ±200V. Output current: <1mA. Noise attenuation: #60;37dB. Frequency range: 10Hz–50kHz. Maximum SPL: 113dB (1kHz at 3% THD). Amplifier input: analog line-in (3.5mm). Amplifier output: Lemo connector. Signal/noise: <107dB, A-weighted. Adjustable gain range: –40 to +60dB. Amplifier functions: line input pad (–10dB). Amplifier power supply: rechargeable 3.6V Li-ion battery. Battery life: up to 12 hours. Battery charging time: up to 3 hours to full charge with 5V, 1A USB power supply. Supplied accessories: square zipper pouch, leather amplifier case, Fit Kit with assorted sleeves, Type A to Micro-B USB cable for charging, 6" and 36" male-to-male 3.5mm cables, ¼" (6.3mm) to 1/8" (3.2mm) stereo adapter, rubber amp security bands.
Dimensions: Amplifier: 3.66" (93mm) L by 2.1" (53mm) W by 0.83" (21mm) D. Cable: 39" (1m) L. Weights: headphones, 1.55oz (44gm); amplifier, 5.47oz (155gm).
Finish: Black-anodized aluminum.
Serial number of unit reviewed: 3RIO675419. "Designed by Shure, Made in China."
Price: $1999. Approximate number of dealers: 21. Warranty: assuming normal use, product will be free of any defects in materials or workmanship for a period of two years from date of original purchase.
Manufacturer: Shure Inc., 5800 W. Touhy Avenue, Niles, IL 60714-4608. Tel: (800) 257-4873, (847) 600-2000. Fax: (847) 600-1212. Web:

Shure Inc.
5800 W. Touhy Avenue
Niles, IL 60714-4608
(800) 257-4873

georgehifi's picture

Don't forget to dry your ears out after a shower.
Remember the 60's ECT (electroconvulsive therapy)

Cheers George

Bogolu Haranath's picture

That would qualify as ..... 'shockingly realistic' ...... sound reproduction :-) ........

Bogolu Haranath's picture

..... or ... 'that is truly shocking' ..... listening experience :-) .........

Jason P Jackson's picture

removed comment.