Blastking MHU-IE2 Dual UHF Wireless In-Ear Monitor System
(2) UHF Antennas. Digital Signal Processor. Super Anti-Jamming Circuit Design. 100-240V AC Power Adapter. (2) Earphones with Carrying Case. Frequency Response: 50Hz ~ 15 KHz. Audio Output: Balanced Type 0~±500mV Mix Type 0~±300mV.