< p> 1U audio unit with rack-mount capability, offering 4 selectable inputs across 5 output zones. It features an integrated multimedia playback section with playback capabilities from USB drives, a 3.5 mm aux input, and Bluetooth. Includes a remote wall plate with touch control TR86 for source selection and output level adjustment for one of the zones. Expansion of TR86 wall plates to up to 5 zones is possible, depending on your needs.< /p> < p> Zone outputs can be monitored via a dedicated 3.5 mm stereo headphone output. For universal alerts and announcements, a front and rear XLR input for microphone is provided, which operates via a paging button, bypassing the selected or local audio source for all zones. The RZ45 serves as the control center for installations ranging from basic remote control to fully defined multi-room audio matrix.< /p> < ul> < li>Up to 5 zones remotely operated< /li> < li>Remote wiring via standard network cable< /li> < li>Built-in USB media player with Bluetooth< /li> < li>Emergency mute and contact sound< /li> < li>Features: Power supply 100-240Vac, 50/60Hz< /li> < li>Audio source: USB media player / Bluetooth device< /li> < li>Bluetooth version v2.0< /li> < /ul> < p>Paging microphone inputs: (XLR) + 3 stereo line inputs (RCA). Microphone input sensitivity is -41dBV, while line input sensitivity is -12.5dBV. Call station input sensitivity is +4dBV. An emergency mute control with 24V contacts and emergency sound input with sensitivity -10dBV are included. Signal-to-noise ratio: mic 65dB, line 73dB. Outputs: 5 x stereo zones (RCA) with an output impedance of 600 ohms.< /p>