The U841A delivers exceptionally intelligible audio reproduction in a super-compact, low-profile design. Equipped with UniGuard RFI-shielding technology, this omnidirectional condenser boundary microphone is designed for clear, highly intelligible sound reinforcement, professional recording, television and conferencing in surface-mount applications. The U841A has a 360° pickup angle and operates on battery or phantom power. FEATURES: Designed for surface-mount applications such as high-quality sound reinforcement, professional recording, television, conferencing and other demanding sound pickup situations UniGuard RFI-shielding technology offers outstanding rejection of radio frequency interference (RFI) UniSteep filter provides a steep low-frequency attenuation to improve sound pickup without affecting voice quality Small-diameter UniPoint capsule near boundary eliminates phase distortion and delivers clear, high-output performance Heavy die-cast case and silicon foam bottom pad minimize coupling of surface vibration to the microphone Low-profile design with low-reflectance black finish for minimum visibility Operates on battery or phantom power ITEMS INCLUDED: AT8531 Power Module AA Battery Soft Pouch