[DVD/TV] Overhead transparency projector [Laptop computer] Boom box [AC extension cord] Speakerphone [Lapel mic and speaker] 
Podium
P A s o u n d s y s t e m w i t h m u l t i p l e m i c s
A n a l o g c a m c o r d e r
D i g i t a l c a m c o r d e r
P o d i u m
T r i p o d s c r e e n
W a l l s c r e e n