Bluetooth FM-transmitter Albrecht DR 57

The Albrecht DR 57 Bluetooth FM Transmitter enables wireless audio streaming from mobile devices to a vehicle radio across FM frequencies from 87.6 to 107.9 MHz. The unit features a 2.4" LCD display that shows frequency and basic status information, and runs from a 12–24 V vehicle power source while providing a 5 V output for charging compatible devices. With compact dimensions (123 x 66 x 32 mm) and a weight of 87 g, the transmitter is designed for unobtrusive, portable in-car use and straightforward Bluetooth pairing.

Advantages

The transmitter offers flexible frequency selection within the wide FM range to avoid interference and match local radio conditions. Its Bluetooth connection provides hands-free streaming of music and audio from smartphones and tablets while the 2.4" LCD gives clear feedback on chosen frequency and device status. Low weight and compact size make installation simple and keep the unit out of the way. The built-in 5 V output can be used to charge mobile devices during operation.

Suitable for

• Streaming music from smartphones and tablets to car radios without auxiliary inputs
• Hands-free audio playback and listening to podcasts or navigation prompts via vehicle speakers
• Use in vehicles with 12 V or 24 V onboard electrical systems, including cars, vans, and trucks
• Portable use when a compact, lightweight FM transmitter is required

Key specifications

• FM frequency range: 87.6–107.9 MHz
• Display: 2.4 inch LCD indicating frequency and status
• Operating voltage: 12–24 V vehicle power
• Output voltage: 5 V (device charging capability)
• Dimensions: 123 x 66 x 32 mm
• Weight: 87 g
• Connectivity: Bluetooth for wireless audio streaming

How to use

Plug the transmitter into the vehicle power socket and power it on. Use the LCD controls to select an unused FM frequency within the 87.6–107.9 MHz range, then tune your car radio to the same frequency. Pair your phone or other Bluetooth-enabled device with the transmitter following the device pairing procedure. Once connected, play audio from your device; sound is transmitted to the vehicle radio. If needed, connect a compatible cable to the 5 V output to charge a mobile device while streaming.

Recommendations

Choose an FM frequency with minimal local radio traffic to reduce interference and improve audio quality. For best results, position the transmitter so the display is visible and ensure proper Bluetooth pairing before driving. When using in vehicles with poor reception, try small adjustments to the transmitter frequency to find the clearest channel.