Line 6 XD-V35L Digital Wireless System with Bodypack Transmitter and Lavalier Professional discrete lavalier wireless system for spoken word performers One-step setup License-free operation worldwide 276 foot / 83 meter range - 10 feet away or 200 feet away, you get full-quality audio Accurate and precise vocal reproduction with full-range 10 Hz - 20 kHz (-2 dB) AF frequency response, wide 113 dB dynamic range (A-weighted), superior transient response, and 24-bit digital conversion