FM transmitter LTC model LXTR261 with Bluetooth, MP3 playback, hands-free calls, USB QC3.0 and PD20W, DC 12–24V

The LTC LXTR261 FM transmitter combines Bluetooth audio streaming, MP3 playback and hands-free calling in a compact car accessory designed for 12–24V vehicle systems. It connects to a phone or other Bluetooth source to transmit music and calls over an FM radio frequency, and also plays MP3 files from USB and microSD storage. Integrated fast-charging outputs (QC3.0 and PD20W) allow charging of mobile devices while driving. The unit includes controls for track, volume and call handling and is intended to work with standard car audio systems that receive FM signals.

Advantages

The LTC LXTR261 supports wireless Bluetooth audio and local MP3 playback, reducing the need for auxiliary cables or vehicle modifications. Its dual fast-charge outputs—QC3.0 and PD20W—provide rapid recharging for compatible smartphones and accessories. Hands-free call support with on-device controls improves convenience and safety by allowing phone calls without handling the phone. The transmitter is compatible with a wide voltage range (12–24V), making it suitable for cars, vans and trucks.

Suitable for

• Streaming smartphone audio to a car radio via FM transmission
• Playing MP3 files from USB flash drives or microSD cards
• Making and receiving hands-free phone calls while driving
• Fast charging mobile devices using QC3.0 or PD20W ports
• Use in vehicles with 12 V or 24 V electrical systems

Key specifications

• Power input: compatible with 12–24V vehicle electrical systems
• Wireless connectivity: Bluetooth audio streaming and hands-free calling
• Local playback: MP3 playback from USB and microSD memory
• Charging outputs: Quick Charge 3.0 and Power Delivery up to 20 W
• Audio output: FM transmitter for broadcasting to car radio
• Controls: on-device buttons for track, volume and call management

How to use

Insert the LTC LXTR261 into the vehicle power outlet and set the car radio to an unused FM frequency. Pair your phone with the transmitter via Bluetooth, or insert a USB drive or microSD card with MP3 files to play locally. Select the same FM frequency on the transmitter and car radio to receive audio. Use the device buttons to change tracks, adjust volume and answer or end calls. Connect a device to the QC3.0 or PD20W port for fast charging while the transmitter is powered.

Usage recommendations

For best audio quality, choose an FM frequency with minimal local radio interference and position the transmitter securely in the power socket. Ensure Bluetooth is enabled on your phone and that files on USB or microSD are in MP3 format for reliable playback. Use compatible charging cables for QC3.0 and PD20W outputs to achieve optimal charging speed.