Perfect speaker for the classroom. The AN-130 is ideal for use with you video projector, CD/DVD player or PC. Mount it on a stand, place it on a shelf, set the volume and forget it - you're ready to go every day. This system fills the room with your voice and with the wireless microphone you are free to move around the room. Covers 100 people. 101 dB SPL from 30W Amplifier and High Efficiency Speaker Unbalanced Lo-Z 1/4" Mic Input Two RCA Summing Line Level Inputs Magnetically Shielded Speaker Bass and Treble Controls Woven Carbon Fiber Speaker. Comes with a WB-6000 and CM-60.