The LEKATO MS-1 Wireless In-Ear Monitor System in black is a portable and compact solution for musicians and DJs. With a 2.4GHz transmitter and receiver included, this system offers wireless connectivity for a hassle-free performance. The frequency range of 20Hz - 20kHz provides a versatile sound experience, while the sleek design makes it easy to carry and use on the go. Perfect for those looking for a reliable and user-friendly in-ear monitor system, the LEKATO MS-1 is a top choice for professional audio setups. In original box never used