FiiO BTR7 Headphone Amp Bluetooth Receiver User Manual

1. Introduction

The FiiO BTR7 is a high-resolution portable Bluetooth amplifier designed to enhance your audio experience across various devices. It functions as a Bluetooth receiver, a portable DAC (Digital-to-Analog Converter), and a headphone amplifier, supporting a wide range of high-resolution audio formats and offering versatile connectivity options.

Image: Front and back view of the FiiO BTR7 device, showcasing its compact design and display.

Key Features:

• Supports hi-res Bluetooth formats including LDAC, aptX Adaptive, aptX LL, aptX HD, aptX, AAC, and SBC.
• Features 3.5mm single-ended and 4.4mm balanced dual headphone outputs for broad compatibility and enhanced audio.
• Utilizes XMOS XUF208 chip for USB DAC functionality, supporting up to PCM 384kHz and native DSD256.
• MQA 8x rendering support in USB DAC mode with a compatible MQA player.
• Equipped with cVc 8.0 noise cancellation and a built-in microphone for clear Bluetooth voice calls.
• Dual ES9219C DACs (one per channel) paired with THX AAA-28*2 amplifiers for detailed and dynamic sound reproduction.
• 880mAh battery providing approximately 9 hours of continuous use.
• Supports wired and wireless charging.

Image: A graphic summarizing key features of the FiiO BTR7, including dual outputs, battery life, and audio format support.

2. Setup

2.1 Unboxing and Initial Charge

Upon unboxing your FiiO BTR7, ensure all accessories are present. It is recommended to fully charge the device before its first use. The BTR7 supports both wired and wireless charging.

Image: Contents of the FiiO BTR7 package, including the device, protective case, USB-C to C cable, USB-C to A cable, and quick start guide.

2.2 Bluetooth Pairing

To pair the BTR7 with your mobile phone or other Bluetooth-enabled device:

1. Ensure the BTR7 is powered on and in Bluetooth pairing mode (usually indicated by a flashing light or specific screen icon).
2. On your phone, navigate to Bluetooth settings and search for available devices.
3. Select "FiiO BTR7" from the list to connect.

If you encounter pairing issues, refer to the troubleshooting section.

3. Operating Instructions

3.1 Device Layout and Controls

Image: A diagram illustrating the layout of the FiiO BTR7, highlighting the microphone, display, USB Type-C port, 3.5mm headphone out, 4.4mm balanced headphone out, and control buttons.

• Microphone: Located at the top for voice calls.
• Power Button: Power on/off, activate menu, exit menu, return to previous menu step by step.
• Multi-function Button: Reconnect/Play/Pause, Answer/Hang up/Cancel a call, Force a pairing, Activate voice assistant, Confirm menu selection.
• Volume Up (+): Increase volume, previous track (long press), switch submenus.
• Volume Down (-): Decrease volume, next track (long press), switch submenus.
• Charging Switch: Toggles charging function.
• USB Type-C Port: For charging and USB DAC decoding.
• 3.5mm Headphone Out: Standard single-ended headphone output.
• 4.4mm BAL. Headphone Out: Balanced headphone output for enhanced audio quality.

Image: Side view of the FiiO BTR7, showing the physical control buttons and charging switch.

3.2 Connecting as a USB DAC

For Android Phones:

Use the included Type-C to Type-C cable to connect the BTR7 to your Android mobile phone. Play music to enjoy high-quality audio directly. If no sound is produced, consider the following:

• Check app settings (e.g., FiiO Music) for USB output options. Some devices may require USB output to be enabled, while others may require it to be off.
• Verify if USB debugging is enabled in Developer Options. You may need to enable "Developer Options" and then activate "USB Debugging" or "OTG" function.
• Ensure you are using a FiiO Type-C to Type-C cable and that it is connected in the correct direction (if applicable).
• Try re-plugging the data cable or playing a different track to rule out hardware or software issues.

Image: The FiiO BTR7 connected to a smartphone via a USB-C cable, demonstrating its use as a portable DAC.

For iPhone/iPad:

Users of the BTR7 Standard Edition will need to purchase an additional Lightning to Type-C cable. The BTR7 Apple Edition includes this cable. Connect the BTR7 to your iPhone/iPad/iPod via this cable to enjoy high-quality music.

Image: The FiiO BTR7 connected to a laptop via a USB cable, illustrating its function as a USB DAC for computers.

3.3 Switching Bluetooth Codec (Android)

When connected to an Android phone that supports AptX Adaptive, this codec will be selected by default. To use other Bluetooth codecs (e.g., LDAC):

1. Open the FiiO Control app on your Android phone.
2. Navigate to BTR7 > Status.
3. Click "select Bluetooth code".
4. Deselect "Aptx adaptive" and then click "ok".
5. The BTR7 will restart and reconnect to your mobile phone using LDAC or another selected Bluetooth codec.

3.4 In-Vehicle Mode

The BTR7 features an in-vehicle mode that allows it to automatically turn on and off with your car's ignition, providing seamless integration with your car audio system.

Image: The FiiO BTR7 mounted in a car's air vent, connected to the car's audio system, illustrating its in-vehicle mode functionality.

3.5 Headphone Outputs

The BTR7 offers both a standard 3.5mm single-ended headphone output and a 4.4mm balanced headphone output. The 4.4mm balanced output provides a more detailed audio experience, suitable for headphones that support this connection type.

Image: A close-up view of the top of the FiiO BTR7, showing the 3.5mm and 4.4mm balanced headphone output jacks.

4. Maintenance

To ensure the longevity and optimal performance of your FiiO BTR7, follow these maintenance guidelines:

• Keep the device clean by wiping it with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials.
• Protect the device from extreme temperatures, direct sunlight, and high humidity.
• Avoid dropping the device or subjecting it to strong impacts.
• When not in use, store the BTR7 in its protective case to prevent scratches and damage.
• Do not attempt to disassemble or repair the device yourself, as this will void the warranty and may cause damage.

5. Troubleshooting

Q1: Why can't BTR7 be paired and connected to my phone? How to reset?

(1) Clear the pairing information on your phone:

• Go to Settings > Bluetooth to delete the BTR7 pairing information and then attempt to reconnect.

(2) Clear the pairing information on BTR7:

• When the BTR7 is on, hold both the volume- and volume+ buttons simultaneously for approximately 5 seconds.

(3) Reset operation:

• Click the power button and the volume - button at the same time.

Q2: How to use the BTR7 amplifier as a USB DAC for mobile phones?

Refer to section 3.2 "Connecting as a USB DAC" for detailed instructions for Android and iPhone/iPad devices. Ensure all specified settings and cable requirements are met.

Q3: How to switch Bluetooth codec for BTR7 in your Android mobile phone?

Refer to section 3.3 "Switching Bluetooth Codec (Android)" for detailed instructions using the FiiO Control app.

6. Specifications

Image: A graphic listing the basic specifications of the FiiO BTR7, including amplifier type, Bluetooth chip, USB controller, decoding support, Bluetooth format support, battery, dimensions, and weight.

Image: A technical diagram showing the precise dimensions of the FiiO BTR7 device.

7. Warranty and Support

For warranty information, please refer to the documentation included with your product or visit the official FiiO website. For technical support or further assistance, please contact FiiO customer service. You can typically find contact information by searching for "FiiO support" online.