Ultrasonic Microphone Blocker for Confidential Meetings

Ultrasonic anti-recording jammers introduce ultrasonic interference that disrupts the way nearby MEMS microphones, digital voice recorders, smartphones, wearable recording devices, and AI speech capture equipment receive spoken audio.

Executive meetings, legal consultations, financial negotiations, product development reviews, interview rooms, medical consultations, and NDA discussions all involve information that exists only in spoken form.

These audio bugs signal blocker use ultrasonic signal technology to generate high-frequency interference, affecting microphone reception and making recorded conversations unclear and difficult to analyze.

Indoors, the conversation remains natural and fluent, but the recording becomes useless for transcription, speech analysis, or unauthorized recording.

Spherical ultrasonic recording jammer with 48 built-in ultrasonic transmitters

X48 Spherical Ultrasonic Recording Jammer with 48 Transmitters | 5.1m

Save $298.14 · 38%

This chandelier-shaped ultrasonic voice recorder jammer features 48 built-in ultrasonic emitters, offering 360-degree coverage, silent operation, and wireless remote control capabilities. Its pendant-style design facilitates discreet installation while creating a broad ultrasonic protection zone with a coverage radius of up to 5.1 meters.

$793.31$495.17
Bluetooth speaker and silent interference mode audio signal blocker

Ultrasonic Audio Jammer with Bluetooth 5.0 Speaker 20W

Save $494.16 · 16%

X33 ultrasonic anti listening device combines microphone blocking technology with a Bluetooth 5.0 speaker. Featuring 20kHz–40kHz ultrasonic interference, 6600mAh battery, and portable design for audio privacy protection.

$3186.33$2692.17
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Important things

1.Please install the antenna before using the signal jammers

2.Most Portable cell phone jammers have dip switches on the side. After turning on the main power switch, activate the dip switch—the red or green light will indicate it's on. Each switch controls a specific signal (Refer to the frequency table on the packaging for details).

3.Avoid using the jammer while charging.

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