1. Inleiding
Thank you for choosing the SONRU Bluetooth 5.0 Audio Transmitter and Receiver. This device is designed to seamlessly integrate Bluetooth audio capabilities into your existing home entertainment systems, car audio, or personal listening devices. It functions as both a transmitter (TX) to send audio from non-Bluetooth sources to Bluetooth headphones/speakers, and a receiver (RX) to stream audio from Bluetooth-enabled devices to wired speakers or car stereos. Please read this manual carefully to ensure proper use and optimal performance.

2. Pakketinhoud
Kontroleer asseblief die pakket vir die volgende items:
- SONRU Bluetooth Audio Adapter (B50)
- Gebruikershandleiding
- Optical Audio Cable (TOSLINK SPDIF)
- 3.5 mm AUX -audiokabel
- RCA Audio Cable (3.5mm to 2RCA)
- USB-laaikabel

3. Produk verbyview
3.1 Toesteluitleg en -kontroles
Familiarize yourself with the buttons and ports on your SONRU B50 adapter:

- Krag skakelaar: AAN/AF
- TX/RX Mode Switch: Toggle between Transmitter and Receiver modes.
- LED-aanwyser: Displays current status, mode, and codec.
- Koppelknoppie: Inisieer Bluetooth-paring.
- Volume-/Spoorbeheerknoppies: Adjust volume, skip tracks (RX mode only for volume control).
- Speel/Pause-knoppie: Beheer die afspeel van media.
- AUX-poort (3.5 mm): For 3.5mm audio input/output.
- SPDIF Port (Optical): For optical audio input/output.
- USB-laaipoort: Vir die laai van die toestel.
4. Opstelling
4.1 Laai die toestel
Before first use, fully charge the adapter. Connect the supplied USB charging cable to the device's USB port and to a standard USB power adapter (not included) or a computer's USB port.
- Die LED-aanwyser sal laaistatus wys.
- 'n Volle laai neem ongeveer 3 uur.
- Die toestel kan tydens laai gebruik word.
4.2 Krag aan/af
- Om aan te skakel: Slide the power switch to the 'ON' position. The LED indicator will light up.
- Om af te skakel: Slide the power switch to the 'OFF' position. The LED indicator will turn off.
4.3 Moduseleksie (TX/RX)
Use the TX/RX mode switch on the side of the device to select the desired operating mode:
- TX (Sender) Modus: To send audio from a non-Bluetooth device (e.g., TV, PC) to Bluetooth headphones or speakers.
- RX (Ontvanger) Modus: To receive audio from a Bluetooth-enabled device (e.g., smartphone, tablet) and output it to wired speakers or a car stereo.
5. Bedryfsinstruksies
5.1 Sender (TX) Modus
In TX mode, the adapter transmits audio from a non-Bluetooth source to Bluetooth receiving devices.
- Stel die modusskakelaar op TX.
- Connect the adapter to your audio source (e.g., TV, PC, projector) using the appropriate cable (Optical, 3.5mm AUX, or RCA).
- Power on the adapter. The LED indicator will flash, indicating it's in pairing mode.
- Place your Bluetooth headphones or speaker into pairing mode.
- The adapter will automatically search for and connect to nearby Bluetooth devices. Once connected, the LED indicator will show a solid light.

5.2 Ontvanger (RX) Modus
In RX mode, the adapter receives audio from a Bluetooth-enabled device and outputs it to a wired audio system.
- Stel die modusskakelaar op RX.
- Connect the adapter to your wired audio system (e.g., speakers, car stereo) using the appropriate cable (3.5mm AUX or RCA).
- Power on the adapter. The LED indicator will flash, indicating it's in pairing mode.
- On your Bluetooth-enabled device (e.g., smartphone), search for Bluetooth devices and select "SONRU B50" to connect.
- Once connected, the LED indicator will show a solid light. You can now stream audio from your device to your wired audio system.
5.3 Koppeltoestelle
Single Device Pairing
Follow the steps above for TX or RX mode. The adapter will automatically enter pairing mode when powered on in the selected mode.
Dubbele toestel-paring
The SONRU B50 supports connecting to two Bluetooth devices simultaneously in both TX and RX modes.
- Connect the first device as described in the TX or RX mode instructions.
- Once the first device is successfully paired, press the pairing button on the adapter. The LED will flash again.
- Put the second Bluetooth device into pairing mode.
- The adapter will connect to the second device. Both devices will now be connected simultaneously.

5.4 LED-aanwysers
The LED display provides visual feedback on the device's status:
- TX/RX: Dui die huidige bedryfsmodus aan.
- Saambinding: Flashing light indicates pairing mode; solid light indicates successful connection.
- OPT/AUX: Indicates the active audio input/output interface (Optical or 3.5mm AUX).
- SBC/AAC/APTX/LL/HD: Indicates the active audio codec being used.
5.5 Knoppie Funksies
The adapter features intuitive controls for media playback and volume adjustment:
- Speel/Pause-knoppie: Druk om oudio te speel of te onderbreek.
- Volume op/Volgende snit-knoppie: Short press for next track; long press for volume up (RX mode only for volume control).
- Volume Verlaag/Vorige Liedjie Knoppie: Short press for previous track; long press for volume down (RX mode only for volume control).
6. Onderhoud
To ensure the longevity and optimal performance of your SONRU B50 adapter, follow these maintenance guidelines:
- Skoonmaak: Vee die toestel af met 'n sagte, droë lap. Moenie vloeibare skoonmaakmiddels of skuurmiddels gebruik nie.
- Berging: Bêre die toestel op 'n koel, droë plek weg van direkte sonlig en uiterste temperature.
- Batterysorg: For optimal battery life, avoid fully discharging the battery frequently. If storing for an extended period, charge the device to about 50% every few months.
- Vermy vog: Hou die toestel weg van water en hoë humiditeit.
7. Probleemoplossing
If you encounter issues with your SONRU B50 adapter, refer to the following common problems and solutions:
| Probleem | Moontlike oorsaak | Oplossing |
|---|---|---|
| Toestel skakel nie aan nie. | Lae battery of die kragskakelaar is af. | Charge the device using the USB cable. Ensure the power switch is in the 'ON' position. |
| Kan nie met 'n Bluetooth-toestel koppel nie. | Device not in pairing mode, too far from the adapter, or interference. | Ensure the adapter is in TX/RX pairing mode (LED flashing). Place devices closer. Turn off other Bluetooth devices nearby. Restart both devices. |
| Geen geluid na paring nie. | Incorrect cable connection, wrong input/output selected, or volume too low. | Verify all audio cables are securely connected. Ensure the correct input/output (Optical/AUX) is selected on the adapter and source/destination device. Adjust volume on both the adapter (RX mode) and connected devices. |
| Audio delay (latency). | Connected devices do not support aptX Low Latency. | For minimal latency, ensure both the adapter and your Bluetooth headphones/speakers support aptX Low Latency. |
| Kort draadlose reikwydte. | Obstacles or interference. | Ensure there are no major obstacles (walls, metal objects) between the adapter and the connected device. Avoid placing near Wi-Fi routers or other wireless devices. |
8. Spesifikasies
| Handelsmerk | SONRU |
| Modelnommer | B50 |
| Bluetooth weergawe | 5.0 |
| Oudio-kodeks | aptX HD, aptX Low Latency (LL), SBC, AAC |
| Bedryfsmodusse | Sender (TX), Ontvanger (RX) |
| Verbindingskoppelvlakke | Bluetooth, Optical (SPDIF), 3.5mm AUX, RCA |
| Wireless Range | Tot 20 meter (sonder hindernisse) |
| Battery Tipe | Litium-ioon |
| Battery kapasiteit | 600mAh |
| Speeltyd | Tot 24 uur |
| Laai tyd | Ongeveer 3 uur |
| Kragbron | Rechargeable Battery, USB Powered |
| Kleur | Swart |
| Versoenbare toestelle | Computers, TVs, Projectors, Audio Systems, Headphones, Mobile Phones, Tablets, Car Stereos |
9. Waarborg en Ondersteuning
For warranty information and technical support, please refer to the documentation provided with your purchase or contact SONRU customer service through the retailer where the product was purchased. Keep your proof of purchase for warranty claims.