WIRELESS SYSTEM: GUITAR AND BASS ODWS-1BK Digital wireless system for active or passive instruments. BLACK finish. Works at 2.4 GHz ISM without worldwide interference. Up to 30 meters of wireless coverage without signal loss. With battery in receiver and transmitter rechargeable via standard USB cable. Up to 5 hours of autonomy. 4 channels selectable using 4 LED lights. Switchable channels using a simple letter system. It allows it to be used together with 3 other ODWS-1 systems with a total of 4 simultaneous systems. Compression-free 24-bit/48 kHz digital transmission. ``plug and play'' operation. Auto stand by system when no signal is detected for more than 10 seconds. Option to operate with a single transmitter and several receivers at the same time. Articulated jack with 225º rotation. INCLUDE 1 EMITTER,