{"product_id":"cad-audio-930vpl-wireless-boundary-microphones","title":"CAD Audio 930VPL Variable Polar Pattern Boundary Condenser Mic","description":"\u003ch2\u003eCAD Audio 930VPL Variable Polar Pattern Condenser Boundary Microphone\u003c\/h2\u003e\n\n\u003cp\u003eThe CAD Audio 930VPL is a continuously variable polar pattern condenser boundary microphone engineered for professional installed AV, conferencing, and speech reinforcement. Unlike fixed-pattern boundary mics, the 930VPL allows system designers to dial in any polar pattern — from omnidirectional to cardioid, hypercardioid, or figure-of-eight — making a single unit adaptable to altars, conference tables, courtrooms, stage floors, and media production environments.\u003c\/p\u003e\n\n\u003cp\u003eFor AV integrators evaluating the best boundary microphone for conference rooms or multi-purpose installed audio systems, the 930VPL addresses a core challenge: no two rooms are acoustically identical. Its continuously variable pattern control, combined with logic I\/O for integration with automatic mixers and teleconferencing systems, makes it a natural fit for government, institutional, religious, and corporate AV installations. The programmable membrane switch supports push-to-talk, push-to-mute, on\/off, and remote-control modes — configurable via DIP switch without tools.\u003c\/p\u003e\n\n\u003cp\u003eBuilt on RF Resistant Architecture that meets or exceeds EN55103-2 immunity standards, the 930VPL handles environments where cell phones and two-way radios create interference challenges. An integral 80 Hz, 12 dB\/octave high-pass filter removes unwanted low-frequency energy to improve speech intelligibility, and the boundary effect placement on flat surfaces delivers a natural signal-to-noise ratio improvement. The dual-connector design accommodates both rear and bottom cable exit, streamlining flush-mount tabletop and podium installations. The 930VPL is RoHS compliant and backed by a two-year limited warranty.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features of the CAD Audio 930VPL Boundary Condenser Microphone\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eContinuously Variable Polar Pattern:\u003c\/strong\u003e Enables precise pickup pattern tailoring — from omni to figure-of-eight and every point in between — so one mic handles virtually any room configuration or application without substitution.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLogic I\/O Interface:\u003c\/strong\u003e Integrates with automatic mixers, echo-cancellation systems, and control infrastructure via NPN open-collector logic output and 40K ohm pull-up logic input, enabling remote mute control and status monitoring.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProgrammable Membrane Switch with Blue LED:\u003c\/strong\u003e Supports five operating modes (push-to-talk, push-to-mute, power-up on, power-up off, remote) configurable via underside DIP switch — with a blue LED status indicator visible to presenters and participants.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRF Resistant Architecture:\u003c\/strong\u003e Shields against interference from cell phones and two-way radios, meeting or exceeding EN55103-2 E1–E4 immunity standards for reliable performance in busy RF environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegral 80 Hz High-Pass Filter:\u003c\/strong\u003e Eliminates HVAC rumble and low-frequency noise at 12 dB\/octave to sharpen speech intelligibility — critical in conference rooms and houses of worship.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Rear\/Bottom Cable Exit:\u003c\/strong\u003e Simplifies installation in both surface-mount and recessed tabletop applications, with keyhole mounting slots for secure placement without visible hardware.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSecurable Controls with Adhesive Cover:\u003c\/strong\u003e Polar pattern dial and DIP switch settings can be locked out with an included adhesive security cover, preventing unauthorized adjustments after system commissioning.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Principle:\u003c\/strong\u003e Permanently-biased condenser\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePolar Pattern:\u003c\/strong\u003e Continuously variable (omnidirectional through cardioid, hypercardioid, figure-of-eight)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrequency Response:\u003c\/strong\u003e 90 Hz – 17 kHz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSensitivity:\u003c\/strong\u003e -32 dBV (25 mV) @ 1 Pa\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eImpedance:\u003c\/strong\u003e 120 ohms\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSelf Noise:\u003c\/strong\u003e 24 dBA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum SPL:\u003c\/strong\u003e 120 dB (1% THD, 1 kHz)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Pass Filter:\u003c\/strong\u003e 80 Hz, 12 dB\/octave\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Requirements:\u003c\/strong\u003e P12, P24, or P48 phantom power, 4 mA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnector:\u003c\/strong\u003e TB4M-type (dual, rear and bottom)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLogic Output:\u003c\/strong\u003e NPN open collector, 30V \/ 50 mA max\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLogic Input:\u003c\/strong\u003e 40K ohm pull-up resistor to 1.3V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRF Immunity:\u003c\/strong\u003e Meets or exceeds EN55103-2, E1, E2, E3, and E4\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Durable matte-black urethane\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions (L x W x H):\u003c\/strong\u003e 5.5\" x 3.5\" x 0.72\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNet Weight:\u003c\/strong\u003e 8 oz (0.23 kg)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompliance:\u003c\/strong\u003e RoHS compliant\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e Two-year limited\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCAD Audio 930VPL Boundary Microphone\u003c\/li\u003e\n  \u003cli\u003e30 ft (9.1 m) detachable cable (TB4M miniature 4-pin female to 3-pin XLRM)\u003c\/li\u003e\n  \u003cli\u003eProtective pouch\u003c\/li\u003e\n  \u003cli\u003eAdhesive security cover\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CAD Audio","offers":[{"title":"Default Title","offer_id":46110612357317,"sku":"CAD-930VPL","price":179.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0630\/3085\/3829\/files\/057c7d84d546973c13e545bc20cccb89.jpg?v=1776787517","url":"https:\/\/avlgear.com\/products\/cad-audio-930vpl-wireless-boundary-microphones","provider":"AVLGEAR","version":"1.0","type":"link"}