1. Introduction
The FiiO BTR7 is a high-performance portable Bluetooth amplifier designed to elevate your audio experience. It combines advanced features such as MQA support, a powerful USB DAC with DSD256 capabilities, and the efficient Qualcomm QCC5124 Bluetooth 5.1 chip. Equipped with dual THX AAA-28 amplifiers and versatile 3.5mm and 4.4mm outputs, the BTR7 delivers exceptional sound quality in a compact form factor. Its 1.3-inch IPS color display provides intuitive access to various settings and information, making it a comprehensive solution for audiophiles on the go.
2. Package Contents
Please check the package carefully to ensure all items are present and in good condition. If any items are missing or damaged, please contact your retailer.
- FiiO BTR7 Portable Bluetooth Amplifier
- Type-C USB cable × 1
- Type-C to Type-C data cable × 1
- Leatherette case × 1
- Quick Start Guide (Manual) × 1
- Warranty card × 1
3. Product Overview
The BTR7 features a sleek design with a 1.3-inch IPS color display for clear information display and easy navigation. It incorporates a seamlessly integrated metal antenna for stable Bluetooth connections.
3.1 Key Components and Features
- Display: 1.3-inch IPS color screen for displaying volume, power, gain, audio format, and menu.
- Outputs: Dual 3.5mm (single-ended) and 4.4mm (balanced) headphone outputs.
- Bluetooth Chip: Qualcomm QCC5124 for stable wireless audio with support for LDAC, aptX HD, aptX Adaptive, AAC, and SBC codecs.
- DAC Chip: Dual ES9219C for high-fidelity digital-to-analog conversion.
- USB DAC: XMOS XUF208 control chip supports PCM up to 384kHz, native DSD256, and MQA 8x rendering.
- Amplifiers: Dual THX AAA-28 amplifiers for a fully balanced audio design, offering increased power output.
- Power Management: 13 LDOs (Low-Dropout Regulators) for separate stabilization, ensuring pure sound.
- Antenna: Patented seamlessly integrated metal antenna for enhanced signal stability.
4. Setup
4.1 Initial Charging
Before first use, it is recommended to fully charge the BTR7. The device supports both wired (USB Type-C) and Qi wireless charging. A full wired charge takes approximately 1.5 hours, while wireless charging takes about 3 hours.
4.2 Bluetooth Connection
- Power on the BTR7.
- Enable Bluetooth on your source device (e.g., smartphone, tablet).
- On your source device, search for "FiiO BTR7" in the Bluetooth settings and pair.
- The BTR7 supports connecting to two Bluetooth devices simultaneously. You can switch between active devices via the "Devices List" menu on the BTR7.
4.3 USB DAC Connection
The BTR7 can function as a USB DAC for your computer or smartphone.
- For Computers: Connect the BTR7 to your computer using the provided Type-C USB cable. The BTR7 supports UAC 1.0 (driverless) and UAC 2.0 modes. For UAC 2.0, you may need to install specific drivers from the FiiO website for optimal performance.
- For Smartphones: Use the Type-C to Type-C data cable (or Lightning to Type-C for Apple devices, if applicable) to connect the BTR7 to your phone.
5. Operating Instructions
5.1 Power On/Off and Screen Wake-up
- Power On: Press and hold the Power button until the screen lights up.
- Power Off: Press and hold the Power button until the device shuts down.
- Screen Wake-up: Press any key or specifically the Power button to wake up the screen.
5.2 "Dongle" Mode
The BTR7 can act as a wired decoder and headphone amplifier for your phone without consuming your phone's battery. Simply press the "CHARGE" button to switch into and out of "dongle" mode.
5.3 Bluetooth Smart Switch
When connected to a computer via USB in UAC 2.0 mode, the BTR7 prioritizes the USB input and automatically turns off Bluetooth. After disconnecting from USB, Bluetooth will automatically switch back on and reconnect to the previously used device, providing a seamless experience.
5.4 Companion App Control and Customization
The FiiO Control App (available for smartphones) allows for extensive customization and control of your BTR7:
- Equalizer (PEQ): Adjust the 10-band Parametric Equalizer to fine-tune your audio. (Requires latest firmware; only valid in Bluetooth state and UAC 1.0 mode).
- Custom Function Buttons: Reconfigure button actions, such as long-pressing the volume key for continuous adjustment or skipping songs.
- Firmware Upgrades (OTA): Receive and install over-the-air firmware updates directly through the app.
- Balanced Boost: Enable this function via the app for high impedance headphones to increase power output.
6. Maintenance
6.1 Battery Care and Charging Protection
To prolong battery life, the BTR7 features a charging protection function. When using the BTR7 as a wired decoder for extended periods, enable this function in the FiiO Control App. It will stop charging when the battery reaches 80% and resume charging only when the battery drops below 20%.
6.2 General Care
- Keep the device clean and dry. Avoid exposure to extreme temperatures, humidity, or direct sunlight.
- Use the provided leatherette case for protection against scratches and minor impacts.
- Do not attempt to disassemble or modify the device, as this will void the warranty.
7. Troubleshooting
- No Sound/Low Volume:
- Check volume levels on both the BTR7 and your source device.
- Ensure headphones are properly connected to the correct output (3.5mm or 4.4mm).
- Verify the BTR7 is correctly paired via Bluetooth or connected via USB DAC.
- If using high-impedance headphones, ensure "Balanced Boost" is enabled in the FiiO Control App.
- Bluetooth Connection Issues:
- Ensure the BTR7 is not connected to a computer in UAC 2.0 mode, which disables Bluetooth.
- Try unpairing and re-pairing the BTR7 with your source device.
- Ensure the BTR7 is within the 10-meter transmission distance from the source.
- PEQ/EQ Not Working:
- Ensure the BTR7 firmware is updated to the latest version.
- Note that PEQ/EQ is only valid in Bluetooth state and UAC 1.0 mode, not in UAC 2.0 mode.
- Device Not Recognized as USB DAC:
- Ensure the correct USB cable is used and properly connected.
- For UAC 2.0 mode on computers, check if the necessary drivers are installed from the FiiO website.
- Try switching between UAC 1.0 and UAC 2.0 modes on the BTR7 if applicable.
- Android Compatibility: The FiiO BTR7 is compatible with Android devices for both Bluetooth and USB DAC functions. Ensure your Android device supports OTG for USB DAC functionality.
- Language Settings: The device's display language typically defaults to English. For other languages, check the FiiO Control App for available options or consult the official FiiO website for firmware updates that might include additional language packs.
8. Specifications
| Feature | Detail |
|---|---|
| Bluetooth version | Bluetooth 5.1 |
| Volume adjustment | Independent volume levels from mobile phones |
| Audio format support | AAC/SBC/aptX/aptX LL/aptX Adaptive/aptX HD/LDAC |
| Bluetooth chip | QCC5124 |
| DAC chip | ES9219C × 2 |
| USB DAC | XMOS XUF208 |
| Separate play button | Yes |
| Separate volume button | Yes |
| Transmission distance | 10 meters |
| Display screen | 1.3-inch IPS color screen |
| Display UI | Audio format, charging state, battery level, volume level, sampling rate, menu |
| Gain level | L/H |
| Volume level | 60 levels (Bluetooth); 60 levels (USB DAC) |
| Output power (32Ω loaded) | Single-ended ≥160mW+160mW, Balanced ≥320mW+320mW |
| SNR (A-weighted) | Single-ended ≥118dB, Balanced ≥115dB |
| Noise (A-weighted) | Single-ended <30uV, Balanced <5.5uV |
| THD+N (1kHz/-6dB@32Ω) | Single-ended <0.00055%, Balanced <0.00048% |
| Crosstalk | Single-ended ≥75dB, Balanced ≥107dB |
| Microphone | Built-in; supports Bluetooth voice call & earphones with CTIA in-line controls |
| NFC | N/A |
| Driver-free mode | Supported |
| Phone DAC | Supported |
| In-vehicle mode | Supported |
| App control | Supported |
| MQA Renderer | Supported |
| Plug type | 3.5mm PO + 4.4mm BAL |
| USB connector | Type-C USB 2.0 (Charging/Data transmission) |
| Battery capacity | 880mAh |
| Battery life | PO≥9H; BAL≥8H |
| Charging time | Wired: <1.5H; Wireless: <3H |
| Dimensions | About 39.6x83.6x14.6mm |
| Weight | About 68g |
| Accessories | Leatherette case, warranty card, USB Type-C cable, Type-C to Type-C data cable, manual |
9. User Tips
- Firmware Updates: Regularly check for and install firmware updates via the FiiO Control App to ensure optimal performance and access to new features.
- App Customization: Explore the FiiO Control App for personalized sound adjustments (PEQ), button remapping, and battery protection settings.
- High-Impedance Headphones: If using headphones with high impedance, remember to enable the "Balanced Boost" feature in the FiiO Control App for increased power output.
- Portable Use: Consider using the optional MagClip accessory for a more secure and convenient portable Hi-Fi experience.
- Android Device Compatibility: The BTR7 is fully compatible with Android devices for both Bluetooth and USB DAC functions. Ensure your Android device supports USB OTG for wired connections.
10. Warranty & Support
The FiiO BTR7 comes with a warranty card included in the package. Please refer to the warranty card for detailed terms and conditions.
For technical support, firmware updates, or further inquiries, please visit the official FiiO website or contact your authorized FiiO retailer. Keep your purchase receipt and warranty card for any service claims.