1Mii B03Pro

1Mii B03Pro Bluetooth Transmitter Receiver User Manual

Model: B03Pro

Introducció

The 1Mii B03Pro is a versatile 3-in-1 Bluetooth audio adapter designed to enhance your home audio experience. It functions as a Bluetooth transmitter, a Bluetooth receiver, and offers a bypass mode. This device allows you to stream audio wirelessly to or from your existing audio systems, including home stereos, TVs, and speakers. Its broad compatibility and advanced audio codecs provide high-quality sound transmission.

Diagram showing the 1Mii B03Pro in Receiver, Transmitter, and Bypass modes, illustrating connections to phones, tablets, PCs, TVs, stereo receivers, and speakers.

Imatge: Més deview of the 1Mii B03Pro's three operational modes: Receiver, Transmitter, and Bypass.

Característiques clau

  • Funcionalitat 3 en 1: Operates as a Bluetooth transmitter, receiver, and in bypass mode for flexible audio connectivity.
  • Audiophile DAC: Equipped with an ESS SABRE9018K2M decoding chip, supporting up to 384 kHz/32-bit sampling for high-fidelity audio with a 121 dB Signal-to-Noise Ratio (SNR).
  • Bluetooth 5.3 avançat: Features aptX Adaptive, aptX LL (Low Latency), and aptX HD codecs for high-quality, low-latency audio transmission and reception. aptX HD supports up to 48 kHz/24-bit audio.
  • Interval sense fil ampliat: Provides a maximum operating distance of 80 meters (265 feet) outdoors and 35 meters (115 feet) indoors, allowing freedom of movement without losing audio connection.
  • Suport Dual Link: Can connect to two Bluetooth headphones or speakers simultaneously in transmitter mode.
  • Àmplia compatibilitat: Supports AUX, RCA, and optical digital inputs/outputs, making it compatible with a variety of devices including amplifiers, speakers, TVs, computers, and mobile phones.
Close-up of the 1Mii B03Pro's control panel, highlighting LED indicators for RX, SBC, APTX, LL, HD, AD, and the 'HiFi Adapter ESS SABRE9018K2M' logo.

Image: Detail of the 1Mii B03Pro's top panel, showing codec indicators and the ESS SABRE DAC chip.

Close-up of a circuit board with the ESS ES9018K2M chip clearly visible, emphasizing the audiophile-grade DAC.

Image: Microchip labeled 'ESS ES9018K2M' on a circuit board, representing the integrated audiophile DAC.

Contingut del paquet

  • 1Mii B03Pro Bluetooth Transmitter Receiver Unit
  • Cable d'alimentació USB
  • Cable d'àudio de 3.5 mm
  • RCA Audio Cable (3.5mm Female to RCA Male)
  • Cable digital òptic
Image showing the 1Mii B03Pro device from top and back, along with its accessories: USB power cable, 3.5mm audio cable, RCA cable, and optical cable.

Image: The 1Mii B03Pro unit and its included cables for various audio connections.

Disseny del dispositiu

The 1Mii B03Pro features a user-friendly layout with clearly labeled ports and controls. Familiarize yourself with the device's front and rear panels for optimal setup and operation.

Controls i indicadors del panell frontal:

  • Mode Switch (TX/RX/Bypass): Selects the operational mode.
  • Botó de vinculació Bluetooth: Inicia el mode d'emparellament.
  • Botons de volum (+/-): Ajusta el nivell de sortida d'àudio.
  • Botó d'encesa: Encén/apaga el dispositiu.
  • Indicadors LED: Display current mode (TX/RX), active codec (SBC, aptX, LL, HD, AD), and connection status.

Ports del panell posterior:

  • DC IN: USB power input.
  • 3.5mm Out / Optical Out: Audio outputs for connecting to speakers or receivers.
  • Optical In / 3.5mm In: Audio inputs for connecting to source devices like TVs or PCs.
A dalt view of the 1Mii B03Pro device with two antennas, showing buttons for Bluetooth, volume, power, and LED indicators for TX, RX, SBC, APTX, LL, HD, AD modes.

Imatge: Superior view of the 1Mii B03Pro, highlighting controls and indicators.

posterior view of the 1Mii B03Pro device, displaying input and output ports including 3.5mm, Optical, and DC IN.

Imatge: Part posterior view of the 1Mii B03Pro, showing all connection ports.

Configuració i funcionament

1. Encendre el dispositiu

  1. Connect the provided USB power cable to the DC IN port on the B03Pro.
  2. Plug the other end of the USB cable into a 5V USB power adapter (not included) or a powered USB port.
  3. Premeu el botó Botó d'engegada to turn on the device. The LED indicators will light up.

2. Selecció del mode de funcionament (TX/RX/Bypass)

Use the mode switch on the front panel to select your desired operation mode:

  • Mode TX (transmissor): To send audio from a non-Bluetooth device (e.g., TV, PC) to Bluetooth headphones or speakers.
  • Mode RX (receptor): To receive audio from a Bluetooth device (e.g., smartphone, tablet) and play it through a non-Bluetooth stereo system or speakers.
  • Mode bypass: To allow audio to pass through the device without Bluetooth processing, useful when you want to use your wired speakers directly.

3. Receiver Mode (RX) Setup

In RX mode, the B03Pro receives Bluetooth audio and outputs it to your wired audio system.

  1. Estableix el commutador de mode a RX.
  2. Connect the B03Pro's 3.5mm Out or Sortida òptica port to your stereo receiver, amplifier, or powered speakers using the appropriate audio cable.
  3. On your smartphone or tablet, enable Bluetooth and search for "1Mii B03Pro". Select it to pair.
  4. Once paired, the RX LED indicator will be solid, and you can stream audio from your device to your stereo system.
A woman relaxing on a bed, using her smartphone, with the 1Mii B03Pro connected to two wooden speakers, illustrating the receiver mode for home audio.

Imatge: Example of the 1Mii B03Pro in Receiver (RX) mode, connecting a smartphone to traditional speakers.

4. Transmitter Mode (TX) Setup

In TX mode, the B03Pro transmits audio from your non-Bluetooth device to Bluetooth headphones or speakers.

  1. Estableix el commutador de mode a TX.
  2. Connect your audio source (e.g., TV, PC) to the B03Pro's 3.5mm In or Entrada òptica port using the appropriate audio cable.
  3. Poseu els auriculars o altaveus Bluetooth en mode d'emparellament.
  4. Premeu el botó Botó de vinculació Bluetooth on the B03Pro. The TX LED will flash.
  5. The B03Pro will automatically search for and connect to your Bluetooth audio device. Once connected, the TX LED will be solid.
  6. For dual link, repeat step 3 and 4 for the second Bluetooth device.
A couple wearing Bluetooth headphones watching TV, with the 1Mii B03Pro connected to the TV, demonstrating the dual link transmitter mode.

Image: The 1Mii B03Pro in Transmitter (TX) mode, enabling two people to listen to TV audio via Bluetooth headphones.

5. Bypass Mode Setup

Bypass mode allows you to use your wired speakers directly without disconnecting the B03Pro, providing a seamless transition between wired and wireless audio.

  1. Estableix el commutador de mode a Bypass.
  2. Connect your audio source (e.g., TV) to the B03Pro's 3.5mm In or Entrada òptica port.
  3. Connect the B03Pro's 3.5mm Out or Sortida òptica port to your wired speakers or soundbar.
  4. Audio will now pass directly from your source to your wired speakers.
A child watching TV with the 1Mii B03Pro connected to a soundbar, illustrating the bypass mode where audio passes directly to wired speakers.

Image: The 1Mii B03Pro in Bypass mode, allowing direct audio output to a soundbar from a TV.

Manteniment

  • Keep the device in a dry environment, away from extreme temperatures and direct sunlight.
  • Netegeu el dispositiu amb un drap suau i sec. No utilitzeu netejadors líquids ni aerosols.
  • Eviteu deixar caure o sotmetre el dispositiu a forts impactes.
  • Assegureu-vos que hi hagi una ventilació adequada al voltant del dispositiu durant el funcionament.

Resolució de problemes

Problema Possible solució
No hi ha alimentació / El dispositiu no s'encén. Ensure the USB power cable is securely connected and the power source is active. Try a different USB power adapter or port.
No es pot emparellar amb un dispositiu Bluetooth.
  • Ensure the B03Pro is in the correct mode (TX for transmitting, RX for receiving).
  • Put both the B03Pro and your Bluetooth device into pairing mode.
  • Move devices closer to each other.
  • Clear previous pairing records on both devices and try again.
Sense sortida d'àudio.
  • Check all audio cable connections (3.5mm, RCA, Optical).
  • Ensure the correct input/output is selected on your connected audio system.
  • Verify the volume levels on both the B03Pro and your connected devices.
  • Confirm that the B03Pro is successfully paired and connected to your Bluetooth device.
La qualitat de l'àudio és deficient o intermitent.
  • Reduce the distance between the B03Pro and the connected Bluetooth device.
  • Remove any obstacles (walls, large objects) that may interfere with the signal.
  • Avoid placing the device near other wireless devices that may cause interference (e.g., Wi-Fi routers, microwaves).
  • Ensure your source audio quality is high.

Especificacions

Característica Detall
Marca 1 Mii
Número de model B03Pro
Tecnologia de connectivitat Bluetooth 5.3, RCA, 3.5mm Jack, Optical
Característiques especials Audiophile DAC (ESS SABRE9018K2M), Long Range, TX+BYPASS Working, aptX HD, aptX LL, aptX Adaptive
Dispositius compatibles Amplifiers, Speakers, Televisions, Computers, Bluetooth Wireless Headphones, Mobile Phones
Mode de sortida d'àudio Estèreo (2.0 canals)
Color Negre
Mètode de control Botons del dispositiu
Abast sense fil (exterior) Fins a 80 metres (265 peus)
Abast sense fil (interior) Fins a 35 metres (115 peus)

Garantia i Suport

1Mii products come with a standard manufacturer's warranty. For specific warranty details, technical support, or customer service inquiries, please refer to the warranty card included in your product packaging or visit the official 1Mii website. You can also contact 1Mii customer support directly through their provided contact channels.

Per obtenir la informació i els recursos de suport més recents, visiteu: www.1mii.com

© 2026 1Mii. Tots els drets reservats.

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