SOOMFON Bluetooth 5.0 Transmitter Receiver

1. Introduction

The SOOMFON Bluetooth 5.0 Transmitter Receiver is a versatile 3-in-1 audio adapter designed to enhance your audio experience. It functions as a Bluetooth transmitter (TX), a Bluetooth receiver (RX), and supports a bypass mode, allowing seamless integration with various audio devices. With its advanced Bluetooth 5.0 technology, it offers stable transmission, low latency, and a long operating range. The intuitive LCD display and adjustable volume control provide a user-friendly experience.

Image: The SOOMFON Bluetooth 5.0 Transmitter Receiver unit with its various connection cables.

2. Package Contents

Please ensure all items are present in your package:

• Bluetooth Transmitter x 1
• 3.5mm Aux to RCA Cable x 1
• 3.5mm Audio Cable x 1
• Optical Cable x 1
• USB-C Power Cable x 1

3. Product Overview

Familiarize yourself with the device's components and interfaces.

3.1. Interfaces and Controls

Image: Detailed view of the SOOMFON unit's ports including DC IN, AUX RX Output, Optical, and AUX TX Input. The front panel shows the LCD display, power button, Bluetooth pairing button, mode switch button, and a rotary knob for volume and selection.

• LCD Screen: Displays current mode, connected devices, and volume level.
• Power Button: Turns the device on/off.
• Bluetooth Pairing Button: Initiates Bluetooth pairing mode.
• Mode Switch Button: Toggles between TX (Transmitter), RX (Receiver), and Bypass modes.
• Rotary Knob: Adjusts volume and selects devices/options on the LCD.
• Antenna: For stable Bluetooth signal transmission and reception.
• DC IN (USB-C): Power input port.
• AUX RX Output: 3.5mm audio output for Receiver mode.
• Optical Input/Output: Digital audio connections for both TX and RX modes.
• AUX TX Input: 3.5mm audio input for Transmitter mode.

4. Setup and Operation

4.1. Powering On

Connect the SOOMFON unit to a power source using the provided USB-C cable. The device will automatically power on.

4.2. TX (Transmitter) Mode Setup

In TX mode, the device transmits audio from a non-Bluetooth source (like a TV or PC) to Bluetooth headphones or speakers. It supports connecting two Bluetooth devices simultaneously.

1. Connect one end of the AUX or Optical cable to the TX input of the SOOMFON unit and the other end to your TV, PC, or other audio source.
2. Use the mode switch button on the SOOMFON unit to select TX mode.
3. Set your Bluetooth headphones or speakers to pairing status.
4. On the SOOMFON unit's LCD, wait for the device name to appear, then press the rotary knob to complete pairing. Repeat for a second device if desired.

Image: Illustration of the dual connection feature in TX mode, allowing two headphones to receive audio from a single source.

4.3. RX (Receiver) Mode Setup

In RX mode, the device receives Bluetooth audio from your phone or tablet and outputs it to a wired speaker or stereo system.

1. Connect one end of the AUX or Optical cable to the RX audio output of the SOOMFON unit and the other end to your wired speakers, amplifier, or stereo system.
2. Use the mode switch button on the SOOMFON unit to select RX mode.
3. Turn on the Bluetooth function on your mobile phone or laptop.
4. Search for "SOOMFON SF-BT013" in the Bluetooth list, click to connect, and wait for successful pairing.

Image: Depicts the RX mode functionality, where a mobile device streams audio wirelessly to the SOOMFON unit, which then outputs to a wired speaker.

4.4. Bypass Mode

Bypass mode allows you to directly connect your audio source to your wired speakers or stereo system through the SOOMFON unit without Bluetooth processing. This is useful when you want to switch between wired and wireless audio without re-cabling.

• Connect your audio source (e.g., TV) to the TX input of the SOOMFON unit.
• Connect the RX output of the SOOMFON unit to your wired speakers or stereo system.
• Use the mode switch button to select Bypass mode.

Image: Illustrates the wide compatibility of the SOOMFON unit, showing connections for both RX (receiving from phones/tablets to speakers/amplifiers) and TX (transmitting from TV/PC/projector to headphones/Bluetooth speakers) modes.

4.5. Volume Control

The SOOMFON unit features a built-in rotary knob for volume control. For optimal audio, first adjust the volume on your source device (TV, PC, mobile phone) to a suitable range, then use the rotary knob on the SOOMFON unit for fine adjustments.

Image: Highlights the Bluetooth 5.0 technology, emphasizing stable transmission, low latency, and long range capabilities of the device.

5. Maintenance

To ensure the longevity and optimal performance of your SOOMFON Bluetooth Transmitter Receiver, follow these maintenance guidelines:

• Keep the device clean by wiping it with a soft, dry cloth. Avoid using harsh chemicals or abrasive cleaners.
• Store the device in a cool, dry place away from direct sunlight, extreme temperatures, and humidity.
• Avoid dropping or subjecting the device to strong impacts.
• Ensure proper ventilation around the device during operation to prevent overheating.

Image: Shows the SOOMFON unit secured with sturdy Velcro fasteners, indicating flexible mounting options.

6. Troubleshooting

If you encounter issues with your SOOMFON Bluetooth Transmitter Receiver, refer to the following common problems and solutions:

• No Sound/Pairing Issues:
  • Ensure the device is in the correct TX or RX mode.
  • Verify all cables (Optical, AUX, RCA) are securely connected to the correct input/output ports.
  • Make sure your Bluetooth headphones/speakers are in pairing mode and within range.
  • If using Bluetooth headphones with TV in TX mode, set the audio output format of the TV to PCM format.
  • Press and hold the Bluetooth button for 5 seconds to delete Bluetooth pairing data records and try re-pairing.
• Volume Control Not Independent: Note that volume control is not independent for two connected devices.
• Incompatibility: This product lacks a microphone and is unsuitable for musical instruments, karaoke, or similar uses. It cannot function as a Bluetooth transmitter for Alexa, Echo Dot, or similar smart devices. It is also incompatible with devices requiring a PIN code for Bluetooth pairing.

7. Specifications

8. Warranty and Support

SOOMFON offers a 24-month product warranty and lifetime technical support for this device. For any inquiries or assistance, please feel free to contact our support team, available 7 days a week, 24 hours a day.

For additional information, you may also refer to the User Manual (PDF).