Car radio BLAUPUNKT GRS901, single-DIN, 4x50W, USB and AUX input

BLAUPUNKT GRS901 is a single-DIN car radio designed for standard vehicle installations. It delivers four-channel output at up to 50 W per channel and includes a front USB port and an AUX input for playback from USB storage devices and external audio sources. The unit provides basic radio reception and media playback functions in a compact, single-DIN housing suitable for everyday in-car audio needs.

Advantages

The BLAUPUNKT GRS901 combines a compact single-DIN form factor with 4x50W output, allowing straightforward installation in most vehicles while providing adequate power for factory or aftermarket speakers. Integrated USB and AUX inputs make it simple to play files from USB drives or connect smartphones and portable players without additional adapters. Controls and inputs are laid out for direct access to common functions and basic radio tuning.

Suitable for

• Replacing a factory single-DIN head unit in cars with limited dashboard space
• Basic in-car audio playback from USB flash drives
• Connecting smartphones or MP3 players via AUX for hands-free listening
• Drivers who need a reliable, no-frills radio and media player

Key specifications

• Form factor: single-DIN compact chassis
• Output power: up to 4 × 50 W
• Front connectors: USB port and 3.5 mm AUX input
• Audio sources supported: FM/AM radio and media playback from USB storage and external line-in
• Control interface: front panel buttons and basic display

How to use

Install the unit into a compatible single-DIN slot according to the vehicle wiring and mounting instructions. Use the front USB port to connect a USB flash drive containing audio files or plug an external player into the AUX input with a 3.5 mm cable. Select radio mode to tune FM/AM stations or switch to the appropriate input for USB or AUX playback. Adjust volume and basic audio settings from the front panel controls.

Recommendations

For reliable operation, use USB drives formatted in commonly supported file systems and avoid excessively large numbers of files in a single folder. When installing, ensure proper grounding and secure mounting to prevent noise and vibration. Use a quality 3.5 mm cable for AUX connections to minimize interference.