Use Amplivox’ s 150 watt Executive Adjustable Column lectern with UHF 16 Channel Frequency with built-In receiver plus your choice of wireless mic: lapel & headset, flesh tone over-ear, or handheld microphone, to wirelessly communicate with audiences up to 1,950, rooms up to 19,450 square feet simple, modern lectern. Integrated control panel with microphone volume, auxiliary, bass and treble controls. All the same features of the 505 model, but with adjustable height from 38” – 44” The sensitive AmpliVox Electret Condenser Gooseneck Hit Mic picks up your voice from up to 20” away. Amplivox speaker technology delivers clear, high-performance, lifelike sound to your audience with built-in Jensen design speaker. Built in Bluetooth Module allows you to wirelessly stream sound from any Bluetooth capable device. Scratch resistant melamine finish, skirted base, and radiused corners for beautiful styling and durability that will stand the test of time. The large reading table with raised edges holds your notes, wile 2 storage compartments in back hold everything else. This lectern effortlessly moveable, with the help of 4 industrial hidden casters (2Lock). Includes 10 foot power cord.