FiiO BR15 R2R High-Resolution Bluetooth 6.0 Audio Receiver Instruction Manual

1. Product Overview

The FiiO BR15 is a high-resolution Bluetooth 6.0 audio receiver designed to upgrade your home audio system with wireless HiFi capabilities. Featuring a Qualcomm QCC5181 chipset, it supports advanced codecs like aptX Lossless and LDAC, ensuring exceptional sound quality. Its 24-bit R2R DAC delivers pure analog warmth, while versatile input and output options provide broad compatibility with various audio components.

Image: Front view of the FiiO BR15 R2R High-Resolution Bluetooth Audio Receiver in black.

2. What's in the Box

Upon unboxing your FiiO BR15, please ensure all the following items are present:

• FiiO BR15 R2R High-Resolution Bluetooth 6.0 Audio Receiver
• Cable (USB-C to USB-A for power/data)
• AC Adapter Cable
• Quick Start Guide (this manual)

3. Setup

3.1 Power Connection

1. Connect the provided AC Adapter Cable to the DC 12V input port on the rear of the FiiO BR15.
2. Plug the AC adapter into a suitable power outlet.
3. The device will power on automatically or can be turned on using the power button.

3.2 Audio Output Connection

The FiiO BR15 offers multiple output options to connect to your amplifier, powered speakers, or other audio components:

• RCA Analog Line-Out: Use RCA cables to connect the dual RCA output ports on the BR15 to the analog input of your amplifier or powered speakers.
• XLR Analog Line-Out: For balanced audio connections, use XLR cables to connect the XLR output ports on the BR15 to your compatible amplifier or audio interface.
• Optical Digital Output: Use an optical cable to connect the optical output port on the BR15 to a digital input on your DAC or amplifier.
• Coaxial Digital Output: Use a coaxial cable to connect the coaxial output port on the BR15 to a digital input on your DAC or amplifier.

Image: Rear view of the FiiO BR15 showing RCA, XLR, Optical, Coaxial, and USB ports.

3.3 Audio Input Connection

The FiiO BR15 supports various input sources:

• Bluetooth: For wireless audio streaming from smartphones, tablets, or computers.
• USB Input: Connect your computer or other USB audio source using a USB-C cable.
• Optical Input: Connect devices like CD players or TVs using an optical cable.
• Coaxial Input: Connect devices like DVD players or other digital audio sources using a coaxial cable.

4. Operating Instructions

4.1 Bluetooth Pairing and Connection

1. Ensure the FiiO BR15 is powered on and in Bluetooth mode (indicated on the display). If it's the first time powering on, it will automatically enter pairing mode.
2. On your source device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
3. Select "FiiO BR15" from the list to pair and connect.
4. Once connected, you can stream audio wirelessly to the BR15.
5. The BR15 supports aptX Lossless, LDAC, and other high-quality Bluetooth codecs for superior audio performance.

4.2 Switching Input Sources

The FiiO BR15 features intuitive controls for switching between various input sources:

• Use the physical knobs on the device or the FIIO Control App to select between Bluetooth, USB, Optical, and Coaxial inputs.
• The built-in display will show the currently active input source.

Image: The FiiO BR15 connected to multiple devices (smartphone, PC, TV) demonstrating its multi-input decoding capabilities.

4.3 R2R DAC and Audio Processing

The FiiO BR15 incorporates a fully balanced complementary 24-bit R2R DAC for high-fidelity audio reproduction. This architecture is designed to deliver a rich, musical, and analog-like sound with lower noise and fewer harmonic artifacts.

• The device automatically processes audio signals through its R2R DAC for all digital inputs.
• Utilize the FIIO Control App for advanced settings, including EQ presets or fully customizable equalization, to fine-tune your audio experience.

Image: A detailed diagram of the FiiO BR15's fully differential true 24-Bit R2R resistor arrays DAC, highlighting its internal components and signal path.

4.4 Knob Controls and App Support

• Dual Physical Knobs: Adjust volume and navigate settings directly on the device. The built-in display provides visual feedback.
• IR Remote: Use the included IR remote for convenient control from a distance.
• FIIO Control App: Download the FIIO Control App on your smartphone for comprehensive control over settings, input selection, EQ adjustments, and more.

5. Maintenance

• Keep the device in a dry, well-ventilated area away from direct sunlight, heat sources, and moisture.
• Clean the device with a soft, dry cloth. Do not use liquid cleaners or aerosols.
• Avoid dropping or subjecting the device to strong impacts.
• Ensure proper ventilation to prevent overheating, especially during extended use.

6. Troubleshooting

• No Power: Check if the AC adapter cable is securely connected to both the device and the power outlet. Ensure the power outlet is functional.
• No Sound:
  • Verify that the correct input source is selected on the BR15.
  • Check all audio cable connections (RCA, XLR, Optical, Coaxial) between the BR15 and your amplifier/speakers.
  • Ensure the volume on the BR15 and your connected audio system is not muted or set too low.
  • If using Bluetooth, ensure the BR15 is successfully paired and connected to your source device.
• Poor Sound Quality:
  • Ensure you are using high-quality audio cables.
  • Check for interference if using Bluetooth; try moving the source device closer to the BR15.
  • Verify the audio settings (EQ, filters) in the FIIO Control App are configured to your preference.
• Bluetooth Disconnections:
  • Ensure the source device is within the effective range of the BR15.
  • Avoid physical obstructions between the BR15 and the source device.
  • Try unpairing and re-pairing the device.

7. Specifications

8. Warranty & Support

FiiO products come with a standard manufacturer's warranty. Please refer to the warranty card included in your packaging or visit the official FiiO website for detailed warranty terms and conditions.

For technical support, troubleshooting assistance, or service inquiries, please contact FiiO customer support through their official website or the contact information provided in your Quick Start Guide.