Yamaha RM-WDR, Table microphone, -6,2 dB, 124,9 dB, 118,7 dB, 100,2 dB, Wired & Wireless Yamaha RM-WDR. Type: Table microphone, Microphone sensitivity: -6,2 dB, Microphone dynamic range: 124,9 dB. Connectivity technology: Wired & Wireless, Operating frequency: 1920.0-1930.0 MHz, USB connector type: USB Type-C. Product colour: Black, Latency: 110 ms. Power source: Battery/USB, Battery type: Built-in battery, Talk time: 20 h. Width: 89 mm, Depth: 89 mm, Height: 26 mm