Alpha TT33-3 STR QwikBUS Panel Speaker/Microphone

Alpha TT33-3 STR QwikBUS Panel Speaker/Microphone Features

The TT33-3 from Alpha is a QwikBUS Panel Speaker/Microphone unit used with the S.T.R. QwikBUS systems to provide intercom functions at remote door entry locations, and depending on system configuration, optional electric door opener(s) etc. The TT33-3 powers from the associated model# SP333 QwikBUS Intelligent Controller unit(s), and does not require any additional power supply unit(s). When used with conventional pushbutton type door entry stations where electric door release is required, the TT33-3 will also require a model# T1240 U.L. Listed 12VAC plug-in transformer. The TT33-3 speaker/microphone is designed to easily mount right behind the faceplate in various models of our lobby entry pushbutton style intercom panels. The TT33-3 speaker/microphone also feature a built-in door release relay, voice volume control potentiometer and a plug-in connector for connection to the model# E32 32 station 2-wire extender(s). The PC boards are treated with a special chemical finish, to minimize the affects of weather and moisture on the electronic components.

Features

• Easily Installs Right Behind Lobby Entry Panel: Simplifies installation, saving time and effort during setup.
• Operates on Safe Low-Voltage Class II Wiring: Ensures safe operation without the need for high-voltage systems.
• Clear Voice Fidelity with Adjustable Voice Volume Controls: Provides crisp audio quality with customizable volume to suit user preferences.
• Convenient Screw Terminal Connections: Facilitates easy wiring and connection for quick setup.
• High quality Half-Duplex Voice Communications: Enables effective two-way communication for better interaction.

Alpha TT33-3 Detailed Specifications