Valcom V-1420 Signature Series Hi Fi Ceiling Speaker， 8-Inch<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>High-fidelity extended frequency response</li><li>Built in amplifier and volume control with detachable knob</li><li>Utilizes standard cat 3， 5 or 6 cable</li><li>Hi-fidelity music， tone and voice reproduction</li><li>Attractive white metal grille</li></ul></div><img src="http://ecx.images-amazon.com/images/I/511c9Sx4UoL.jpg" noproxy>