Allison Multifunction Wireless Car MP3 Player

Allison ALS-A55 – Multifunction Wireless Car MP3 Player

The Allison ALS-A55 is a powerful and compact car audio device that combines wireless connectivity, FM transmission, and fast charging. Designed for both 12V and 24V vehicles, it supports MP3 and WMA playback, hands-free calling, and Bluetooth streaming with advanced voice processing.

Key Features:

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

- USB Output: 5V / 3.1A max for fast charging

- Music Formats Supported: MP3 and WMA

- Signal-to-Noise Ratio (SNR): > 60 dB

- Distortion: < 0.1% for clear audio

- Bluetooth Version: 5.0 + EFR with ADP support (advanced sound distribution)

- Bluetooth Range: Up to 10 meters

- Microphone Range: 0.5 to 2 meters for hands-free calls

- FM Transmission: 87.5 MHz to 108.0 MHz

- FM Mode: Stereo sound with digital PLL frequency locking

- Design: Sleek and user-friendly with LCD display