eppfun AK3040Plus USB Bluetooth 5.2 Transmitter User Manual

1. Sarrera

The eppfun AK3040Plus is a high-performance USB Bluetooth 5.2 audio transmitter designed to provide seamless wireless audio connectivity for various devices. Featuring Qualcomm APTX-Adaptive technology, it ensures low latency and high-fidelity sound, making it ideal for gaming, music, and voice chat. This manual provides detailed instructions for setting up, operating, and maintaining your AK3040Plus transmitter.

Figure 1: eppfun AK3040Plus USB Bluetooth 5.2 Transmitter

2. Produktuaren ezaugarriak

• Qualcomm APTX-Adaptive: Utilizes the Qualcomm QCC3040 Chip with aptX-Adaptive for minimized audio delay (approx. 60ms), ensuring synchronized audio and video.
• Bluetooth 5.2 aurreratua: Offers enhanced stability and reliability with four times the range and two times the speed compared to older Bluetooth versions.
• Haririk gabeko komunikazioa: Includes a mini analog microphone for seamless voice chat. Supports HFP mode for calls using your Bluetooth headset's built-in mic.
• Plug & Play erraza: Simple setup by plugging into a USB 2.0/3.0 port. Automatic pairing mode for first-time use.
• Audio Decoding Support: Compatible with aptxX-LL, SBC, Aptx, Aptx adaptive, and Aptx-HD audio codecs. Note: Your headphones must also support the same standard for optimal performance.
• Wide Operating System Compatibility: Supports PS4/5, Windows 8/10/11, Nintendo Switch OS, Linux OS, and Mac OS.
• Hobetutako jokoetarako audioa: Provides wireless audio for PS4/5 and Nintendo Switch, compatible with all Bluetooth headphones from version 2.1 onwards.

3. Konfigurazioa eta instalazioa

The eppfun AK3040Plus is designed for simple plug-and-play operation. Follow these steps to set up your device:

1. Konektatu transmisorea: Plug the eppfun AK3040Plus into an available USB 2.0 or USB 3.0 port on your PS4, PS5, PC, Mac, or Nintendo Switch.
2. Initial Pairing Mode: For the first time use, the LED indicator on the transmitter will automatically flash red and blue, indicating it is in pairing mode.
3. Activate Headphone Pairing: Put your Bluetooth headphones or speaker into pairing mode. Refer to your audio device's manual for specific instructions on how to do this.
4. Parekatzearen baieztapena: Once your audio device successfully pairs with the AK3040Plus, the LED indicator on the transmitter will stop flashing and remain steadily lit (color depends on the active codec).
5. Audio Output Selection (PC/Mac): On PC or Mac, you may need to manually select the "eppfun AK3040Plus" as your audio output device in your system's sound settings.

Figure 2: Connecting the AK3040Plus to a PC

Figure 3: Using the AK3040Plus with a PS5 for shared audio

4. Funtzionamendu-argibideak

4.1. Codec Switching

The AK3040Plus supports multiple audio codecs. The LED indicator on the transmitter changes color to show the currently active codec:

• Zian: aptX-Egokitzailea
• Berdea: aptX HD
• Horiak: aptX LL (Latentzia Baxua)
• Morea: aptX
• Gorria: SBC

To switch between supported codecs, press the button on the AK3040Plus transmitter. The transmitter will attempt to connect using the highest quality codec supported by both the transmitter and your connected audio device.

Figure 4: LED Indicator Colors for Audio Codecs

4.2. Microphone Usage (HFP Mode)

The AK3040Plus comes with a mini analog microphone for voice chat. If you wish to use your Bluetooth headset's built-in microphone, the transmitter can switch to HFP (Hands-Free Profile) mode. This allows for wireless calls and communication through your headset's integrated mic.

5. Bateragarritasuna

The eppfun AK3040Plus is compatible with a wide range of devices and operating systems:

• Joko-kontsolak: PlayStation 4 (PS4), PlayStation 5 (PS5), Nintendo Switch
• Ordenagailuak: Windows 8/10/11, Linux OS, Mac OS
• Audio gailuak: All Bluetooth headphones and speakers from version 2.1 onwards.

Oharra: The AK3040Plus is designed exclusively for audio transmission. It is not compatible with devices such as printers, game controllers (for input), cars, keyboards, mice, or guitars for data transfer or control.

Figure 5: Compatible Devices for AK3040Plus

6. Zehaztapenak

Figure 6: Feature Comparison Table

7. Arazoak

If you encounter issues with your eppfun AK3040Plus, please refer to the following common problems and solutions:

• Problem: Difficulty Pairing / Multiple Pairing Attempts Required.
  Irtenbidea: Ensure both the AK3040Plus and your audio device are in pairing mode. Try restarting both devices. Move closer to the transmitter to reduce interference. Ensure no other Bluetooth devices are actively trying to connect or are already connected to your audio device. If the AK3040Plus was previously paired with another device, ensure that device's Bluetooth is off or out of range.
• Problem: Unintended Connection to Another Device (e.g., Roommate's Soundbar).
  Irtenbidea: This can happen if the other device is also in pairing mode or has a strong, open Bluetooth signal. Ensure only the intended audio device is in pairing mode when you initiate connection. If the issue persists, temporarily disable Bluetooth on other nearby devices during the pairing process.
• Problem: Codec Switching Does Not Seem to Work.
  Irtenbidea: The AK3040Plus will automatically select the best available codec supported by both the transmitter and your audio device. Pressing the button cycles through the available codecs. If a specific codec isn't activating, verify that your audio device (headphones/speaker) explicitly supports that codec (e.g., aptX HD, aptX LL). The LED indicator will confirm the active codec.
• Problem: No Volume Control from Host Device (PC/Console).
  Irtenbidea: Some Bluetooth audio devices, especially when using certain codecs, may not allow volume control directly from the host (PC, console). In such cases, adjust the volume directly on your Bluetooth headphones or speaker.
• Problem: No Sound or Poor Audio Quality.
  Irtenbidea: Check if the AK3040Plus is correctly paired and the LED is solid. Ensure the correct audio output device is selected on your PC/Mac. Verify that your audio device is charged and functioning correctly. Try re-pairing the devices. If using a specific codec, ensure your audio device supports it.
• Problem: Not Compatible with My Bluetooth Headphones/Earbuds.
  Irtenbidea: While the AK3040Plus is broadly compatible, some specific Bluetooth headphone models or older Bluetooth Low Energy (LE) protocols might have compatibility issues. Ensure your headphones are updated to their latest firmware if applicable. If issues persist, contact eppfun support.

8. Mantentzea

To ensure the longevity and optimal performance of your eppfun AK3040Plus transmitter, follow these simple maintenance guidelines:

• Garbiketa: Use a soft, dry cloth to clean the surface of the transmitter. Avoid using harsh chemicals or abrasive materials.
• Biltegiratzea: Gorde gailua leku fresko eta lehor batean, eguzki-argitik eta muturreko tenperaturetatik babestuta.
• Manipulazioa: Avoid dropping the device or subjecting it to strong impacts. Do not attempt to disassemble or modify the transmitter, as this will void the warranty.

9. Bermea eta Laguntza

eppfun values customer satisfaction and provides comprehensive support for its products.

9.1. Bermearen informazioa

The eppfun AK3040Plus comes with a 1-year quality assurance warranty erosketa-datatik aurrera. Berme honek fabrikazio-akatsak estaltzen ditu eta produktuak zehaztutako errendimendu-estandarrak betetzen dituela ziurtatzen du.

9.2. Itzultzeko politika

All eppfun products are eligible for a full, hassle-free refund within 60 days of purchase if you are dissatisfied or unable to resolve an issue through support.

9.3. Bezeroarentzako arreta

Your satisfaction matters to us. If you have any questions, experience problems, or need assistance with your eppfun AK3040Plus, please contact us through the official eppfun seller page on Amazon. We are committed to addressing your concerns promptly and providing solutions for any product issues.

For general inquiries or compatibility questions, feel free to leave a question on the product page in the customer questions & answers section. We aim to respond within one business day.