Shure KSE1500 Earphone System - Includes SBC-USB-LC power plug - Earphone Transducer Type: Electrostatic - Connector Type: LEMO Connector - Frequency Response: 10 Hz to 50 kHz - Maximum SPL: 113 dB SPL - Amplifier Bit Depth: 16-bit/24-bit - Sampling Rate: 44.1/48/88.2/96 kHz - Signal-to-Noise Ratio: up to 107 dB - Adjustable Gain Range: -40dB to +60dB - Equalizer: 4-band Parametric - USB Input: USB Micro-B - Input: 3.5 mm (1/8") - KSE1500 - 12 Months Limited Warranty