{"product_id":"vpu-1-respirator-voice-projection-unit","title":"MIRA Safety VPU-1 Respirator Voice Projection Unit: Communicate Clearly in Critical Environments","description":"\u003cp\u003e\u003cstrong\u003eIMPORTANT NOTE:\u003c\/strong\u003e \u003cspan style=\"color: rgb(255, 128, 0);\"\u003eRequires the 3.5mm jack version of the MIRA Safety Gas Mask Microphone (sold separately). \u003cem\u003eMic mounts on the respirator’s exhalation valve; VPU connects via 3.5mm jack.\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eOvercome Respirator Communication Barriers\u003c\/h2\u003e\n\u003cp\u003eThe MIRA Safety VPU-1 Respirator Voice Projection Unit delivers clear, amplified voice communication while wearing gas masks or half-face respirators. Engineered for professionals operating in high-noise, hazardous, or CBRN environments, this IP67-rated device ensures your voice is heard without compromising PPE integrity. \u003cstrong\u003eBuilt to withstand exposure to extreme temperatures, vibration, water, salt fog, and dust.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eKey Features \u0026amp; Technical Advantages\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Audibility:\u003c\/strong\u003e Projects voice at \u003cstrong\u003e83 dBSPL @ 1 meter\u003c\/strong\u003e \u003cem\u003e(audio output power remains at its set level and does not decrease as battery life drops)\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended Operational Readiness:\u003c\/strong\u003e \u003cstrong\u003e6 hours\u003c\/strong\u003e continuous use with \u003cstrong\u003e2-hour\u003c\/strong\u003e recharge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRuggedized Design:\u003c\/strong\u003e \u003cstrong\u003eIP67\u003c\/strong\u003e certified \u003cem\u003e(IEC 60529; submersible to 1 m for up to 30 minutes)\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTactical Integration:\u003c\/strong\u003e \u003cstrong\u003eMOLLE-compatible\u003c\/strong\u003e clip system\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple Tactile Control:\u003c\/strong\u003e Three-button interface with volume range \u003cstrong\u003e(+24 dB to −80 dB)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCBRN Compliant:\u003c\/strong\u003e Meets \u003cstrong\u003eČSN EN 140\u003c\/strong\u003e standards\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Resistance:\u003c\/strong\u003e Operates in \u003cstrong\u003e−20°C to 60°C (−4°F to 140°F)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ch3\u003eAudio Performance\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Response\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e300 Hz – 3,400 Hz\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance (1 kHz)\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e150 Ω ±10%\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Audio Output Power\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e3 W\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSound Pressure Level\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e83 dBSPL @ 1 m\u003c\/strong\u003e \u003cem\u003e(constant at set level across battery discharge)\u003c\/em\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003ePower System\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Type\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eLithium Polymer 3.7V \/ 1200mAh (4.44 Wh)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Time\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e6 hours\u003c\/strong\u003e (continuous use at max audio output)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharging Time\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e2 hours\u003c\/strong\u003e (from 0–100% with \u003cstrong\u003eIIN up to 1.8 A\u003c\/strong\u003e)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Charging Input\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e4.65–5.5 VDC\u003c\/strong\u003e (designed for standard USB charger)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCycle Life\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e500 charge cycles\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eEnvironmental Resilience\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eRange\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e−20°C to 60°C (−4°F to 140°F)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e−20°C to 45°C (−4°F to 113°F)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharging Temperature\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e0°C to 45°C (32°F to 113°F)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIngress Protection\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eIP67 (IEC 60529)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdditional Resistance\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eVibration, water, salt fog, dust\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlame Retardant\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eUL 94 V2 (min. level)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCalculated MTBF\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1,000 hours\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003ePhysical\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eAttribute\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eBlack (RAL 9005)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e150 g ±10%\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAttachment\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eMOLLE clip\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSee technical drawing\/diagram\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eCritical Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTactical Operations:\u003c\/strong\u003e SWAT, riot control, and military CBRN scenarios\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial Safety:\u003c\/strong\u003e Hazmat response, chemical processing, and firefighting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmergency Response:\u003c\/strong\u003e Any situation requiring clear voice communication through respirators\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSuperior Communication Solution\u003c\/h2\u003e\n\u003cp\u003eThe VPU-1 amplifies natural voice projection, enabling real-time communication without requiring radio equipment for every listener—overcoming the limits of speech diaphragms and radio-only setups.\u003c\/p\u003e\n\u003ch2\u003eOptimized Deployment\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect:\u003c\/strong\u003e Plug \u003cstrong\u003e3.5mm\u003c\/strong\u003e microphone jack into VPU-1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest:\u003c\/strong\u003e Perform \u003cstrong\u003ebattery check\u003c\/strong\u003e and power on\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount:\u003c\/strong\u003e Secure via \u003cstrong\u003eMOLLE clip\u003c\/strong\u003e to gear\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjust:\u003c\/strong\u003e Set volume to prevent feedback\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cem\u003eNote: Acoustic feedback may occur if the VPU is placed too close to the microphone. Reduce volume or increase the distance to eliminate feedback.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003eStorage \u0026amp; Maintenance\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eStore in a \u003cstrong\u003ecool, dry place\u003c\/strong\u003e away from direct sunlight \u003cstrong\u003e(−20°C to 45°C \/ −4°F to 113°F)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerform battery tests every 6 months\u003c\/strong\u003e during storage\u003c\/li\u003e\n\u003cli\u003eMaintain \u003cstrong\u003e40–60% charge\u003c\/strong\u003e for long-term storage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLithium batteries can typically hold a charge for up to 12 months\u003c\/strong\u003e in storage\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCertifications \u0026amp; Compliance\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003ePPE Directive 89\/686\/EEC\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eEMC Directive 89\/336\/EEC\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eČSN EN 140\u003c\/strong\u003e (CBRN)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUL 94 V2\u003c\/strong\u003e (flame retardant)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MIRA Safety","offers":[{"title":"Default Title","offer_id":44300197298357,"sku":"TECH_VPU-1","price":269.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/7502\/7893\/files\/DSF0641.png?v=1718386470","url":"https:\/\/sales.mirasafety.com\/products\/vpu-1-respirator-voice-projection-unit","provider":"MIRA Safety Wholesale","version":"1.0","type":"link"}