As automotive technology evolves, voice recognition and hands-free communication systems are becoming integral to the driving experience. Car microphones play a key role in capturing clear voice commands for navigation, communication, and other in-car systems. However, the car environment presents unique challenges such as constant engine noise, road sounds, and other external factors. Selecting the right microphone is crucial to ensure clear and reliable performance.
Key Requirements for Car Microphones
Automotive microphones must perform reliably under challenging conditions, including:
- Effective Noise Reduction: Suppress background noise from engines, road, and environment, while capturing clear voice signals.
- Durability and Stability: Resist temperature fluctuations (-40°C to 85°C), vibrations, and humidity for consistent long-term performance.
- Compact Size and Easy Integration: Fit limited vehicle space and easily integrate with navigation, voice control, and communication modules.
- Accurate Voice Pickup: Prioritize clear and intelligible voice from occupants while minimizing ambient interference.
Product Spotlight: ECM-B9750UP-45 Cardioid Electret Microphone for Automotive Applications
The ECM-B9750UP-45 is designed specifically for demanding automotive voice interaction environments, excelling in voice clarity and noise suppression.
Key Features:
- Unidirectional (cardioid) pickup pattern focuses on driver/passenger voice, minimizing background noise.
- Sensitivity: -45dB ± 2 ensures high-quality voice capture in noisy cabins.
- Signal-to-noise ratio: 58dB for clear, interference-free audio.
- Frequency response: 100Hz to 10kHz, optimized for voice recognition and hands-free communication.
- Durable operation from -40°C to 85°C, resistant to moisture and mechanical impact.
- Electrostatic discharge protection at level 4, suitable for automotive static conditions.
- Tight sensitivity consistency ±1dB and phase angle ≤3°, ensuring uniform, precise audio quality across units.
- 2mm pin-type terminals for easy PCB integration.
Applications in Automotive Systems
This microphone is ideal for:
- Voice Recognition Systems: Hands-free control of navigation, calls, and media.
- Hands-Free Communication: Bluetooth and in-car telephony with clear voice transmission.
- Car Entertainment Systems: Integration with voice-command modules for driver interaction.
Why Choose the ECM-B9750UP-45?
In the challenging automotive environment, the ECM-B9750UP-45 delivers exceptional noise reduction, durability, and voice clarity. Its unidirectional design ensures focused voice capture, minimizing cabin noise interference. Compact and robust, it is an excellent choice for manufacturers developing reliable car voice systems.
Certifications and Compliance
Manufactured under ISO 9001:2015, ISO 14001:2015, and IATF 16949:2016 standards, the ECM-B9750UP-45 meets stringent automotive quality and environmental requirements. It also complies with ROHS, CE, and FCC standards.
Learn More or Request a Quote
Looking to enhance your automotive system with reliable voice capture?
The ECM-B9750UP-45 is engineered for automotive manufacturers seeking precision, durability, and consistent voice performance.
👉 View Full Product Details & Specifications
For inquiries, samples, or custom requirements, feel free to contact us — our engineering team is ready to support your project.
