Public Address Speaker/Amplifier Connector Kit, -, Height (In.) 2 21/50 in, Width (In.) 3 33/100 in, Depth (In.) 21/25 in, Door Station Depth (In.) -, Master Depth (In.) -, Master Height (In.) -, Master Width (In.) -, Distance (Ft.) @ 18AWG -, Distance (Ft.) @ 22AWG -, Talk Channel Output (W) -, Listen Channel Output (W) -, Wiring Conductors -, Wire Type -, Voltage -, Standards CSA Certified, CSFM Approved, UL and cUL, For Use With 3YML7, Includes -