Skip to main content

Brigade launches QVS sound system for hybrid and EVs

Electronic vehicles (EVs) are a technical marvel – but vulnerable road users (VRUs) can’t hear them, which creates obvious safety problems. Brigade Electronics says help is at hand with its Quiet Vehicle Sounder (QVS), a speaker system which the company says reduces collisions between pedestrians and hybrid and EVs. The QVS, also known as an acoustic vehicle alerting system, simulates the sound characteristics of an internal combustion engine by emitting a blend of bbs-tek white sound frequencies th
March 21, 2019 Read time: 1 min
Electronic vehicles (EVs) are a technical marvel – but vulnerable road users (VRUs) can’t hear them, which creates obvious safety problems.


4065 Brigade Electronics says help is at hand with its Quiet Vehicle Sounder (QVS), a speaker system which the company says reduces collisions between pedestrians and hybrid and EVs.  

The QVS, also known as an acoustic vehicle alerting system, simulates the sound characteristics of an internal combustion engine by emitting a blend of bbs-tek white sound frequencies that are used in vehicle reversing alarms.

According to Brigade, the solution changes pitch according to the speed of the vehicle and produces a sound that a VRU can identify as a vehicle.

The QVS can be retrofitted to most commercial vehicles and works from a 12 or 24 volt power source to avoid draining the power of a hybrid vehicle or EV, the company adds.

For more information on companies in this article

Related Content

  • Intertraffic Amsterdam 2024: From innovation to implementation
    March 13, 2024
    Since 1972, Intertraffic has been focused on innovation and implementation in ITS: and in this year’s packed programme the emphasis is on smart, safe and sustainable mobility for all
  • Inrix, Big Data & the fine art of anonymity
    January 9, 2025
    How do you protect personal privacy while still allowing data to be of use in intelligent transportation? Ahmed Darrat of Inrix offers some thoughts on finding that balance...
  • Vivacity demos AI junction control
    March 18, 2021
    How will AI-controlled junctions help smooth the journeys of drivers – and cyclists - in urban areas? Alan Dron looks at an expanding scheme in Manchester, UK, which aims to find out
  • Swarco to deliver 100 VMS to SRL Traffic Systems
    March 22, 2019
    Swarco is to supply 100 mobile variable message signs (VMS) to SRL Traffic Systems in the UK as part of a £2.25 million deal. Alison Spooner, commercial director at SRL, a manufacturer of portable and temporary traffic equipment, says the company is aiming to establish a VMS division which comprises 500 signs. Swarco says its solar-powered VMS signs are equipped with energy-efficient LEDs capable of displaying full colour text and images. SRL will use Swarco’s Zephyr solution to set messages rem