The 930VPL Surface Mounted Boundary Microphone from Astatic is an ideal solution for speech and signal capturing on podiums, desktops, pulpits, etc. The condenser microphone features a flat, low-profile profile w/ two mounting holes located at the base. The continuously variable polar pattern control features cardioid, omnidirectional and figure eight patterns w/ variations between them.A momentary membrane switch may be programmed for push-to-talk, push-to-mute and on/off operation. w/ its high gain before feedback and surface noise rejection, the 930VPW is an ideal surface microphone for boardrooms, classrooms, court proceedings, conferences and houses-of-worship. This boundary microphone features a TA4M output connector and comes w/ a TA4F to 3-pin XLR cable.Continuously Variable Polar PatternThe continuously variable polar pattern control features cardioid, omnidirectional, and figure eight patterns w/ variations between them.Logic Control I/OThe Logic input and output enables remote control over the membrane switch and LED.Programmable Membrane SwitchA momentary membrane switch may be programmed for push-to-talk, push-to-mute and on/off operation.12 dB High Pass Filter SwitchA 12 dB high pass filter eliminates rumble, ambiance and proximity noise.Surface Noise RejectionThe 930VPW rejects surface audio reflection which eliminates phasing and additional noise issues.Windscreen and Steel GrilleA protective grille features a wind screen underneath for wind, plosives and sibilance control.XLR ConnectionAn attached cable features an XLR connector for use w/ standard microphone preamplifier inputs.