{"title":"Microphone Blockers","description":"\u003ch4\u003eHow they work\u003c\/h4\u003e\n\u003cp\u003eThese emit ultrasonic sound above the range of human hearing. Microphones pick it up and it overwhelms their input, so audio recorded in the room comes back unintelligible. People in the room carry on talking normally, which is what makes it practical for a conversation you need to keep private.\u003c\/p\u003e\n\u003cp\u003eThe approach is preventive rather than investigative. Rather than sweeping a room before every meeting and hoping you found everything, you make recording ineffective regardless of what is present or where it is hidden.\u003c\/p\u003e\n\u003ch4\u003eChoosing one\u003c\/h4\u003e\n\u003cp\u003eCoverage area decides which model suits the room, and several are built into ordinary objects, including speakers, power banks, tissue boxes and car air fresheners, so they can sit on a boardroom table or in a vehicle without drawing attention. Portable units suit meetings in changing locations.\u003c\/p\u003e\n\u003ch4\u003eRelated\u003c\/h4\u003e\n\u003cp\u003eTo find a device rather than defeat it, see\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"\/collections\/listening-device-detectors\"\u003elistening device detectors\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"\/collections\/spy-camera-detectors\"\u003espy camera detectors\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch4\u003eCommon questions\u003c\/h4\u003e\n\u003cp\u003e\u003cb\u003eCan people in the room hear it?\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003eNo. The output is above the audible range for adults, though some people report a faint sensation of pressure.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eDoes it affect phone calls?\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003eA live call in the room will be affected the same way a recording would.\u003c\/p\u003e","products":[{"product_id":"voice-recorder-jammer-rabbler-white-noise-generator","title":"Rabbler MNG-300 Voice Recorder Blocker, 3 Metre Speech Masking","description":"\u003cp\u003eBoardrooms do not usually leak through the walls. They leak through the phone on the table, the watch on a wrist, and whatever is sitting in a bag by the door.\u003c\/p\u003e\n\u003cp\u003eThe Rabbler MNG-300 fills the room with dynamic, speech-shaped audio across 300 to 3600Hz, the band human speech occupies. A microphone within three metres hears a crowded room. It is 85 by 53 by 21mm, runs five hours on a charge with USB pass-through for longer sessions, and comes with a carry pouch.\u003c\/p\u003e","brand":"VIMEL","offers":[{"title":"Default Title","offer_id":67902618140992,"sku":"Rabbler","price":585.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1006\/6939\/1168\/files\/MNG-300-Rabbler-Portable-White-Noise-Voice-Generator-550x550_6e0826d2-44ab-4307-8ef8-a531f8d9a295.jpg?v=1793261694"},{"product_id":"ultra-safe-smart-phone-microphone-jammer","title":"Wireless Charger Voice Recorder Blocker, Two Phone Dock","description":"\u003cp\u003eA phone on the table can record every word in the room, through an app the owner opened, through spyware they do not know about, or through a call left connected.\u003c\/p\u003e\n\u003cp\u003eThe VIM-GSM-3 looks like a premium wireless charging station and holds two phones in separate bays. Twenty four ultrasonic emitters across both compartments interfere with the microphones while the phones charge, so there is an ordinary reason for everyone to put their phone in the dock. Blocking and charging have separate switches, and it runs on mains power over USB-C.\u003c\/p\u003e","brand":"VIMEL","offers":[{"title":"Default Title","offer_id":67902618173760,"sku":"VIM-GSM-3","price":690.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1006\/6939\/1168\/files\/wireless-charger-voice-blocker-ultrasonic-550x550.jpg?v=1793261696"},{"product_id":"portable-voice-recorder-blocker-power-bank","title":"Power Bank Voice Recorder Blocker, Working Charger \u0026 Remote","description":"\u003cp\u003eAssume someone is recording. A phone face down on the table. A pen in a pocket. Something planted before you sat down. One leaked recording can end a negotiation.\u003c\/p\u003e\n\u003cp\u003eThe VIM-BLOCK4 is a working power bank with nine ultrasonic emitters inside it. Press the button, or use the remote from up to twenty metres, and every microphone within about 1.5 metres records noise instead of words. 6000mAh, USB-A, USB-C and Micro-USB out, and it genuinely charges a phone.\u003c\/p\u003e","brand":"OEM","offers":[{"title":"Default Title","offer_id":67902690623808,"sku":"VIM-BLOCK4","price":780.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1006\/6939\/1168\/files\/anti-recording-jammer-6000mah-power-bank-charger-audio-blocker-550x550_a581e14e-fb50-4862-a0af-a5fdb5106ec9.jpg?v=1793262067"},{"product_id":"professional-vehicle-voice-recorder-bug-jammer","title":"Voice Activated Recorder Blocker, 360 Degree \u0026 6 Metre Range","description":"\u003cp\u003eSomeone at the table is wearing a wire. A phone in a pocket is recording every word. A device planted before you arrived is sending audio somewhere else. You are unlikely to find any of it in time.\u003c\/p\u003e\n\u003cp\u003eThe VIM-BLOCKTWO starts the moment speech is detected, so nobody has to reach for a switch. Forty two ultrasonic emitters cover a full 360 degrees out to six metres, and a wireless remote lets you start or stop it from across the room. The 10,400mAh battery holds about three hours, and the unit is inaudible in use.\u003c\/p\u003e","brand":"OEM","offers":[{"title":"Default Title","offer_id":67902692393280,"sku":"VIM-BLOCKTWO","price":1450.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1006\/6939\/1168\/files\/360-degree-wiretap-blocker-for-business-meetings-550x550_2f79a772-7685-481b-8953-5247a953066f.jpg?v=1793262071"},{"product_id":"high-power-voice-recorder-blocker","title":"Voice Recorder Blocker, 360 Degree, 6 Metre \u0026 3 Output Zones","description":"\u003cp\u003eA wire under a jacket. A phone left recording in a bag. Something planted before anyone arrived. In a high stakes meeting you will often not find the device, but you can make it useless.\u003c\/p\u003e\n\u003cp\u003eThe VIM-BLOCK3 puts 37 ultrasonic emitters into a 360 degree field out to six metres, split into three selectable output zones so you can concentrate the field on the side of the room that matters. The 8000mAh battery runs three hours with every zone live, six with half of them, and it takes mains power for longer sessions.\u003c\/p\u003e","brand":"OEM","offers":[{"title":"Default Title","offer_id":67902854234432,"sku":"VIM-BLOCK3","price":1399.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1006\/6939\/1168\/files\/360-vimel-anti-recording-video-audio-voice-jammer-ultra-sonic-blocker-550x550_6996027d-091f-4840-9600-9869fc2a13d7.jpg?v=1793262357"},{"product_id":"ultrasonic-voice-recorder-blocker-blocks-spy-mics-wiretaps","title":"Travel Voice Recorder Blocker, Air Purifier Shell \u0026 6 Metre Range","description":"\u003cp\u003eClient offices. Hotel suites. Rented meeting rooms. The conversations that matter most often happen in rooms you do not control, where you cannot know what was already there or what walked in with everyone else.\u003c\/p\u003e\n\u003cp\u003eThe VIM-BLOCKONE travels. It is housed as a desktop air purifier, sets up in seconds, and its 28 ultrasonic emitters cover 270 degrees out to six metres. Start it from the remote so nobody sees you touch it. About three hours on the 2600mAh battery, 530 grams, and it ships in an airtight travel case.\u003c\/p\u003e","brand":"OEM","offers":[{"title":"Default Title","offer_id":67902902665536,"sku":"VIM-BLOCKONE","price":990.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1006\/6939\/1168\/files\/voice-recorder-jammer-audio-live-listening-device-blocker-high-powered-550x550_7fd9f31e-59c3-44d2-95de-cdf00b2a567f.jpg?v=1793262515"},{"product_id":"voice-recorder-blocker-ultrasonic-audio-jammer","title":"Room Voice Recorder Blocker, 360 Degree \u0026 8 Metre Range","description":"\u003cp\u003eThe VIM-BLOCK5 is the room-scale version. Seventy two ultrasonic speakers arranged for a full 360 degree field, effective out to eight metres, which is a whole boardroom rather than one end of a table.\u003c\/p\u003e\n\u003cp\u003eRun it from the buttons on the body or the supplied remote, on high or low power, or leave it in sound control mode so it responds to speech. The 5200mAh battery gives about three hours away from mains power.\u003c\/p\u003e","brand":"OEM","offers":[{"title":"Default Title","offer_id":67902937039168,"sku":"VIM-BLOCK5","price":1650.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1006\/6939\/1168\/files\/ultrasonic-audio-jammer-blocker-with-remote-controller-550x550_8eabc265-c183-4154-873c-f97a9de69017.jpg?v=1793262570"},{"product_id":"bluetooth-speaker-audio-recorder-jammer-ultrasonic","title":"Speaker Voice Recorder Blocker, 270 Degree \u0026 6 Metre Range","description":"\u003cp\u003eA negotiation, a board meeting, a legal briefing. The risk is rarely the walls. It is the phone face down on the table and whatever else came into the room in someone's bag.\u003c\/p\u003e\n\u003cp\u003eThe VIM-BLOCKPRO looks like a Bluetooth speaker and works as an ultrasonic blocker. Forty two emitters cover 270 degrees out to six metres, enough for a 16 square metre room. Run it from the body button, the remote, or leave it voice activated so it starts the moment anyone speaks. High and low power settings, and about three hours on the 2600mAh battery.\u003c\/p\u003e","brand":"OEM","offers":[{"title":"Default Title","offer_id":67902938186048,"sku":"VIM-BLOCKPRO","price":1090.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1006\/6939\/1168\/files\/bluetooth-speaker-audio-recorder-jammer-with-remote-550x550_b20c23ee-2bcc-4541-8b32-535d1bfdce0e.jpg?v=1793262571"},{"product_id":"car-voice-recorder-jammer-air-freshener","title":"Car Voice Recorder Blocker, Cup Holder \u0026 360 Degree Cover","description":"\u003cp\u003eSomeone in your car is recording. It might be a phone in a pocket. It might be something you have not found yet. Either way the conversation you are having is not private.\u003c\/p\u003e\n\u003cp\u003eThe VIM-BLOCK6 sits in a cup holder and looks like an air freshener. Sixteen ultrasonic sensors fire in a 360 degree pattern at 25kHz, so a microphone in the cabin picks up interference instead of speech. One button, no noise a person can hear, and a USB-C charge port. There is a compartment inside for aromatherapy balm if you want the disguise to be complete.\u003c\/p\u003e","brand":"OEM","offers":[{"title":"Default Title","offer_id":67902945198400,"sku":"VIM-BLOCK6","price":880.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1006\/6939\/1168\/files\/car-voice-recorder-jammer-usb-port-550x550_d6ce36f5-452b-4d1c-adbd-0a9450e3d1fc.jpg?v=1793262584"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1006\/6939\/1168\/collections\/counter4_1.png?v=1793585353","url":"https:\/\/www.securitylab.com.au\/collections\/microphone-blockers.oembed","provider":"Securitylab AU","version":"1.0","type":"link"}