Boss WL-30XLR, Wireless System, Plug-and-play wireless system for dynamic microphones with XLR connector (microphone not included), High audio performance with minimal latency thanks to BOSS wireless technology, Frequency range: 20 - 20,000 Hz, Latency: 2.3 ms, Dynamic bandwidth: 110 dB, Wireless carrier frequency: 2.4 GHz, Easy set-up with visual support in only 2 steps, Up to 11 hours of operating time with commercial AA alkaline batteries, Transmission range: Up to 70 metres (transmission with line of sight), Reliable wireless connection with 14 channel scan, Battery LED for checking the remaining battery life, Light and compact transmitter for comfortable handheld performance, Receiver can be connected via XLR microphone input to a mixer, amplifier, audio interface, etc., Channel lock function, Dimensions per unit (W x H x D): 23 x 99 x 27 mm, Weight per unit: 90 g, Includes batteries