eppfun AK8675 Pro

eppfun Bluetooth 5.2 Transmitter Receiver

Model: AK8675 Pro User Manual

1. Uvod

The eppfun AK8675 Pro is a versatile Bluetooth 5.2 audio adapter designed to enhance your audio experience. It functions as both a transmitter (TX) and a receiver (RX), and includes a bypass mode, allowing seamless integration with various audio systems. Featuring aptX Low Latency and aptX HD codecs, it ensures high-fidelity sound with minimal delay, perfect for TV, home stereo systems, and Bluetooth headphones.

eppfun AK8675 Pro Bluetooth 5.2 Transmitter Receiver front view

Slika 1: Prednja strana view of the eppfun AK8675 Pro device, showing control buttons and indicator lights.

2. Sadržaj paketa

Molimo označite kućicu za sljedeće stavke:

  • eppfun AK8675 Pro Bluetooth 5.2 Transmitter Receiver
  • USB-C kabl za punjenje
  • 3.5 mm audio kabl
  • RCA audio kabel
  • Optički audio kabel
  • Uputstvo za upotrebu

3. Proizvod je gotovview

Upoznajte se sa komponentama i kontrolama uređaja:

3.1. Front Panel Controls & Indicators

  • RX/TX/Bypass Indicators: Show current operating mode.
  • OPT/AUX Indicators: Indicate active audio input/output type (Optical or Auxiliary).
  • LL/HD Indicators: Show active audio codec (Low Latency or High Definition).
  • A/B/AD Indicators: Indicate connected Bluetooth devices (A, B, or Adaptive).
  • Bluetooth dugme: For pairing and connection management.
  • Dugmad za jačinu zvuka - / +: Podesite jačinu zvuka.
  • Dugme za napajanje: Uključuje/isključuje uređaj.

3.2. Priključci na bočnim panelima

eppfun AK8675 Pro Bluetooth 5.2 Transmitter Receiver side view s označenim portovima

Slika 2: Bočna strana view of the device highlighting the various input and output ports.

  • 3.5mm Stereo Output: Connects to wired speakers or headphones.
  • Optical Fiber Port Output: Digitalni audio izlaz.
  • Type-C 5V Input: Ulazna snaga za punjenje i rad.
  • Optical Fiber Port Input: Digitalni audio ulaz.
  • 3.5mm Stereo Input: Connects to audio sources via auxiliary cable.

3.3. Prekidač načina rada

eppfun AK8675 Pro Bluetooth 5.2 Transmitter Receiver mode switch

Figure 3: Close-up of the physical switch for selecting Receive (RX), Transmit (TX), or Bypass mode.

A physical switch on the side allows you to easily toggle between Receive (RX), Transmit (TX), and Bypass modes.

4. Podešavanje

  1. Napunite uređaj: Connect the USB-C charging cable to the device's Type-C port and a 5V power source. The device can be used while charging.
  2. Position Antennas: Ensure both antennas are upright for optimal signal range and stability.
  3. Odaberite način rada: Use the RX/TX/Bypass switch on the side to select your desired operating mode.
  4. Spojite audio kablove: Based on your chosen mode and audio setup, connect the appropriate audio cables (3.5mm, RCA, or Optical) to your source/destination devices.

5. Načini rada

Diagram showing Receive, Transmit, and Bypass modes with example connections

Figure 4: Visual representation of the three operating modes and their typical connections.

5.1. Transmission Mode (TX)

In TX mode, the AK8675 Pro transmits audio from a non-Bluetooth source (e.g., TV, PC, projector) to Bluetooth-enabled headphones or speakers. This allows you to enjoy audio wirelessly from devices that lack built-in Bluetooth functionality.

  1. Postavite prekidač načina rada na TX.
  2. Connect your audio source (e.g., TV, PC) to the AK8675 Pro's input port (Optical or 3.5mm AUX).
  3. Turn on your Bluetooth headphones or speakers and set them to pairing mode.
  4. Press the Bluetooth button on the AK8675 Pro to initiate pairing. The TX indicator will flash.
  5. Once connected, the TX indicator will become solid, and audio will transmit to your Bluetooth device.

5.2. Receive Mode (RX)

In RX mode, the AK8675 Pro receives Bluetooth audio from your smartphone, tablet, or other Bluetooth-enabled devices and outputs it to wired speakers, headphones, or a home stereo system. This transforms your traditional audio equipment into a wireless streaming system.

Hand holding smartphone streaming music to eppfun AK8675 Pro connected to a home stereo system

Slika 5: Prample of the device in Receive (RX) mode, streaming music from a smartphone to a home stereo.

  1. Postavite prekidač načina rada na RX.
  2. Connect your wired audio device (e.g., speakers, headphones) to the AK8675 Pro's output port (Optical or 3.5mm AUX).
  3. Omogućite Bluetooth na svom pametnom telefonu ili tabletu i potražite dostupne uređaje.
  4. Select "YK-69" (or similar device name) from the list to connect. The RX indicator will become solid upon successful connection.
  5. Play audio from your device, and it will be streamed to your connected wired system.

5.3. Režim zaobilaženja

Bypass mode allows audio to pass directly through the AK8675 Pro without Bluetooth transmission or reception. This is useful when you want to use your wired audio setup without disconnecting the adapter.

  1. Postavite prekidač načina rada na Bypass.
  2. Connect your audio source to the input port and your audio output device to the output port.
  3. Audio will flow directly from the input to the output.

6. Uputstva za uparivanje

To pair the eppfun AK8675 Pro with a Bluetooth device:

  1. Ensure the AK8675 Pro is in the correct mode (TX for transmitting, RX for receiving).
  2. Pritisnite i držite dugme za napajanje 2 sekunde da uključite uređaj.
  3. Press the Bluetooth button on the AK8675 Pro to enter pairing mode. The corresponding mode indicator (TX or RX) will flash rapidly.
  4. On your Bluetooth device (headphones, speaker, smartphone), enable Bluetooth and search for new devices.
  5. Select "YK-69" (or similar device name) from the list of found devices.
  6. Once connected, the mode indicator on the AK8675 Pro will become solid, indicating a successful pairing.

6.1. Dual-Link Functionality

The AK8675 Pro supports dual-link, allowing you to connect two Bluetooth headphones or speakers simultaneously in TX mode. This enables two people to listen to the same audio source at their preferred volumes without disturbing others.

Couple watching TV with two Bluetooth headphones connected to the eppfun AK8675 Pro

Figure 6: Illustrates the dual-link feature, enabling two users to enjoy audio simultaneously.

eppfun AK8675 Pro connected to two Bluetooth speakers simultaneously

Figure 7: The device connected to two separate Bluetooth speakers, demonstrating simultaneous audio output.

  1. Connect the first Bluetooth device following the TX mode pairing instructions. The 'A' indicator will light up.
  2. Once the first device is connected, press the Bluetooth button again to enter pairing mode for the second device. The 'B' indicator will flash.
  3. Stavite svoj drugi Bluetooth uređaj u način rada za uparivanje.
  4. The AK8675 Pro will automatically search and connect to the second device. Once connected, both 'A' and 'B' indicators will be solid.

7. Održavanje

To ensure the longevity and optimal performance of your eppfun AK8675 Pro:

  • Držite uređaj suvim i dalje od vlage.
  • Izbjegavajte ekstremne temperature.
  • Clean with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
  • Ne pokušavajte sami rastaviti ili popraviti uređaj.

8. Otkrivanje problema

If you encounter issues with your eppfun AK8675 Pro, refer to the following common problems and solutions:

ProblemRješenje
Uređaj se ne uključuje.Ensure the device is charged. Connect it to a 5V power source using the provided USB-C cable.
Nije moguće uparivanje s Bluetooth uređajem.Ensure the AK8675 Pro is in the correct TX/RX mode and pairing mode (indicator flashing). Make sure your Bluetooth device is also in pairing mode and within range. Try restarting both devices.
Nema audio izlaza/ulaza.Check all cable connections (3.5mm, RCA, Optical) are secure and connected to the correct input/output ports. Verify the correct input/output type (OPT/AUX) is selected on the device. Ensure volume levels are adequate on both the AK8675 Pro and the connected audio devices.
Audio delay or poor quality.Ensure both the AK8675 Pro and your connected Bluetooth device support aptX Low Latency (LL) or aptX HD for optimal performance. Reduce interference by moving away from Wi-Fi routers or other wireless devices. Ensure line of sight between devices.
Bluetooth veza često prekida.Check for physical obstructions (walls, metal objects) between the device and the connected Bluetooth accessory. Ensure devices are within the specified 20m range. Interference from other wireless devices can also cause drops.

9. Specifikacije

FeatureDetalj
Broj modelaAK8675 Pro
Bluetooth verzija5.2
Supported Codecs (TX)aptX, aptX LL, aptX HD, SBC
Supported Codecs (RX)aptX, aptX HD, SBC, AAC
Radni režimiPredajnik (TX), Prijemnik (RX), Premosnica
PovezivanjeOptical (Input/Output), 3.5mm AUX (Input/Output), RCA (via adapter)
bežični dometUp to 20 meters (65 feet) in open air (may vary with environment)
Power InputTip-C 5V
Dimenzije proizvoda6 x 5 x 1 inča
Težina artikla8.8 unce

10. Zvanični video proizvoda

This video provides a visual guide to the eppfun AK8675 Pro, demonstrating its features, unboxing, and basic operation in various modes (TX, RX, Bypass). It highlights the different ports and controls, offering a comprehensive overview of the device's capabilities and ease of use.

11. Jamstvo i podrška

eppfun values customer satisfaction and offers a 12-month warranty for the AK8675 Pro. If you have any questions, experience issues, or require support, please contact us through the official eppfun seller page on Amazon. We are committed to addressing your concerns promptly.

  • Garantni period: 12 mjeseci
  • Kontaktirajte podršku: Visit the official eppfun seller page on Amazon for assistance.
  • Povrat u roku od 60 dana: All 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.

© 2023 eppfun. All rights reserved.

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