Allison FM Wireless Car Kit

Allison ALS-A57 FM Car Kit

Multifunction Wireless FM Transmitter | MP3 Player | USB Charger

Upgrade your car with the Allison ALS-A57—a compact, all-in-one device that combines wireless music streaming, hands-free calling, and fast USB charging. Designed for drivers who want convenience, clarity, and control on every journey.

Technical Highlights

- Working voltage: 12V–24V (operational range: 9V–26V)

- USB output: 5V / 3.1A max

- Music formats: MP3 and WMA

- Signal-to-noise ratio: > 60 dB

- Distortion: < 0.1%

- Bluetooth version: 5.0 + EFR

- Supports A2DP for advanced sound distribution

- Bluetooth range: Up to 10 meters

- Microphone range: 0.5 to 2 meters

- FM frequency range: 87.5 MHz – 108.0 MHz

- FM mode: Stereo sound with digital PLL frequency locking

Key Features

- Wireless music streaming via Bluetooth

- Stereo FM transmission with clear sound

- Hands-free calling with built-in microphone

- Fast USB charging for phones and devices

- Easy frequency tuning with digital PLL

- Compact and stylish design