feature | Easy-to-use, all-in-one package for speakers and presenters, Unobtrusive clip-on microphone, High speech intelligibility and Mute button for full speech controlSynchronization via RF remote channel, Frequencies tunable in steps of 25 kHz, 24 MHz bandwidth, 8 frequency banks with each max 12 presets and Model No: 504921RF frequency range : 766...790 MHz (504921), Presets: 12, THD, total harmonic distortion: < 1 %, Signal-to-noise ratio: > 103 dB(A), Transmission/receiving frequencies: 960 (520 in |