Box contents: DW-22 dual receiver (with volume control, 2 XLR mic outputs, mixed ¼” line output, power switch, LCD display and safety cable clip, two Digital LT bodypacks with LM-14-O lapel microphones and HM-3 head worn microphones, AC adapter, ¼” audio cable, manual. Reliable long range operation. Digital transmission virtually eliminates interference from nearby obstacles. Extended operating range up to 300 feet line-of-sight. Perfect for stage performance, karaoke, public address (presentations, classes, conferences). State-of-the art, professional 48kHz / 24-bit digital conversion for exceptional audio clarity with transparent frequency response across the entire audible range (20Hz ~ 20kHz). The truest possible sound with undetectably low latency. A reliable digital wireless microphone system that is easy to setup and use – The superior sound quality of digital audio with digital QPSK modulation combined with the performance & reliability of the UHF frequency range.