The AC-404-Z is designed to capture crystal clear speech intelligibility for Houses of Worship, web conferencing, court reporting, and more with easy plug-and-play USB connectivity. Three microphone capsules in a surface-mount boundary design deliver an amazing 180-degree pickup pattern with a 25′ range making it ideal for podiums, conference rooms, courtrooms, and connected classrooms. The AC-404-Z features three internal mic capsules, rugged all-metal body construction, and a low-profile design, making it the perfect mic for Zoom Rooms, huddle rooms, and any other corporate communication settings.

Mic Type

USB boundary microphone


3 capsule boundary design with 180-degree coverage

Frequency response

40 Hz – 16 kHz

Polar pattern

Wide cardioid

USB compatibility

USB 1.1 and 2.0


109mm x 76 x 51mm / 4.3in. x 2.95in. x 2in.

Included accessories

AC-404 | USB A to USB Mini cable | USB C to USB Mini cable | Adhesive mounts

Use case

180° pick up pattern I 25FT / 7.62M range

Privacy Preference Center