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Pedestrian Warning System for Electric Vehicles

Featured Product from Ningbo Kepo Electronics Co., Ltd.

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The low-speed prompt tone of automobiles produced by Kepo Electronics is mainly aimed at the needs of the use of new energy vehicles. It communicates the speed signal, gear signal, suppression switch signal, key unlocking, car lock search signal and door closing signal of the new energy vehicle through CAN communication. To the AVAS system, AVAS retrieves the FLASH storage sound source according to the parameters, adjusts the pitch, controls the volume to synthesize the target sound effect for digital-to-analog conversion, and the power amplifier pushes the speaker to replay the speaker to remind.


• Applicable vehicle type: M1 N1 pure electric vehicle, hybrid (electric drive)
• Three sound types, start, slow forward, reverse
• Personalized custom sound effects (a variety of personalized welcome sound effects, car lock farewell sound effects and functional specific reminders are available, and audio tracks can be customized)
• HiFi-level wideband curve for maximum simulation engine and composite sound
• It can operate normally in the environment of -40~+85°C, and store it in the environment of -40~+90°C.
• IP67 waterproof and dustproof rating


• System Working Voltage: DC 9V-16V
• Rated Working Voltage: DC 12V
• Quiescent Current: ≤ 1mA
• Operating Current: < 2A
• Sound Pressure Level: ≤75dB@2m,1KHZ
• Rated Impedance: 8Ω
• Rated Power: 5W/10W
• Distortion: ≤10%
• CAN Diagnostic Service Layer: ISO14229
• CAN BUS Communication Baud Rate: 500kbs & 125kbs, ISO-11898-2
• Protection Grade: IP67