Upgrade older car stereos with faster charging, wireless music streaming, and smarter driving convenience using the Astrum FM430 Car FM Transmitter. Designed for vehicles without built-in Bluetooth, the FM430 adds modern wireless connectivity, hands-free calling, and high-speed charging to compatible car radios without replacing the factory stereo system.
Built as a more advanced upgrade over traditional FM transmitters, the FM430 combines Bluetooth 5.3 wireless streaming, PD30W USB-C fast charging, QC3.0 charging, USB music playback, voice assistant support, LED voltage monitoring, and ambient dashboard lighting in a compact premium zinc-alloy design.
PD30W USB-C + QC3.0 - High-Speed Multi-Device Charging
Supports fast charging for compatible smartphones and devices through:
- USB-C PD fast charging up to 30W
- QC3.0 USB-A fast charging
Designed to keep devices powered during navigation, streaming, calls, and long-distance travel.
Bluetooth 5.3 - Stable Wireless Streaming & Calls
Bluetooth 5.3 provides faster pairing, stable wireless audio performance, and smoother music streaming, Delivers improved everyday driving connectivity with compatible smartphones and devices.
FM Transmission - Upgrade Older Car Radios
Transmit wireless audio directly through your vehicle's FM frequency to add Bluetooth functionality to compatible car stereos without built-in wireless support.
USB Music Playback - Smartphone-Free Audio
Supports direct USB flash drive playback for MP3, WAV, WMA, and FLAC audio files, allowing convenient smartphone-free music listening while driving
Hands-Free Calling - Safer Driving Communication
Integrated microphone allows clearer hands-free calling through your car speakers while helping you stay focused on the road.
Siri & Google Assistant - Voice Control Support
Supports compatible Siri and Google Assistant voice commands for easier hands-free access to calls, navigation, music, and smartphone functions while driving.
Ambient LED Lighting - Modern Dashboard Style
Integrated ambient LED lighting adds a stylish modern dashboard appearance while improving visibility during nighttime driving.
Auto Memory Function - Faster Everyday Reconnection
Automatically remembers previous FM frequency and playback settings for quicker reconnection and more seamless daily use.
Premium Zinc Alloy Construction - Durable Everyday Design
Durable zinc-alloy body provides improved durability and a more refined premium feel compared to standard plastic FM transmitters.
Ideal For
- Cars without built-in Bluetooth
- Daily commuting and travel
- Navigation audio through car speakers
- Wireless music and podcast streaming
- Hands-free calls while driving
- Fast charging smartphones in-car
- Ride-sharing and long-distance driving
- USB flash drive music playback
Technical Specifications
- Model: FM430
- Bluetooth Version: 5.3
- Wireless Range: Up to 10m
- FM Frequency Range: 87.5 - 108.0MHz
- Frequency Response: 2.400 - 2.483GHz
- Signal-to-Noise Ratio (SNR): >60dB
- USB-C Charging Output: PD30W Fast Charging
- USB-A Output: QC3.0 Fast Charge / USB Music Playback
- Supported Audio Formats: MP3 / WAV / WMA / FLAC
- Built-In Microphone Range: Up to 2m
- Input Voltage: 12V - 24V
- Material: Zinc Alloy
- Dimensions: 75 × 45 × 40mm
- Weight: 50g
About Astrum
Astrum is a global consumer technology brand focused on practical, well-engineered products for everyday use. The FM430 reflects that commitment by delivering fast charging, wireless audio connectivity, and enhanced in-car convenience in a compact and durable premium design.
What's in the box
1× Astrum FM430 Bluetooth FM transmitter
1× User manual