Features:
    * Studio reference in-ear monitors
    * Customized fit, unequaled comfort
    * Balanced dual drivers
    * Patent-pending crossover design
    * Tuned bass-reflex woofer system
    * Superior noise isolation
    * Works with the iPod, iPhone and portable devices

Specifications:
    * frequency response 8Hz – 19kHz
    * sensitivity 115 dB SPL/mW (1mW)
    * nominal impedance 32 ohms
    * crossover frequency 1500 Hz
    * tweeter KG723
    * woofer KG731
    * input connections 3.5mm