FiiO BTR17 is a flagship portable Bluetooth DAC and headphone amplifier designed for listeners who want high-quality wireless playback, powerful balanced output, and desktop-class USB DAC performance in one compact device.

It combines the Qualcomm QCC5181 Bluetooth platform, dual ESS ES9069Q DACs, XMOS XU316 USB processing, and a four-channel fully balanced THX AAA 78+ amplifier architecture.

Why it stands out

Flagship Bluetooth 5.4 Platform

The Qualcomm QCC5181 platform supports aptX Lossless, LDAC, aptX Adaptive, aptX HD, aptX, AAC, and SBC. Actual codec availability depends on the source device.

Dual ESS ES9069Q DACs

Two ES9069Q DAC chips use ESS fourth-generation 32-bit HyperStream architecture to deliver detailed sound, low distortion, and a clean background through both wired and wireless playback.

THX AAA 78+ Balanced Amplification

The four-channel fully balanced amplifier design provides controlled, low-distortion output through the 3.5mm single-ended and 4.4mm balanced headphone connections.

Desktop Mode with up to 650mW + 650mW

Connect a suitable 5V/2A external power supply to the dedicated POWER IN port and enable Desktop Mode to unlock up to 650mW + 650mW through the 4.4mm balanced output at 32Ω.

Best for

• Listeners who want high-quality Bluetooth playback with wired headphone output
• Users of 4.4mm balanced headphones and demanding portable headphones
• Desktop users who want a compact USB DAC and headphone amplifier
• Android users with compatible LDAC, aptX Adaptive, or aptX Lossless devices
• Listeners who want customizable PEQ through the FiiO Control app

Not ideal for

• Users looking for a standalone music player with internal storage
• Wireless headphones, which cannot be driven from its headphone outputs
• Buyers expecting aptX Lossless from every phone or computer
• Users who need maximum Desktop Mode power without an external USB power source

EMiUZEK Buying Notes

• aptX Lossless requires a compatible source device; unsupported devices will use another available Bluetooth codec.
• The maximum 650mW + 650mW balanced output requires Desktop Mode, external 5V/2A power, high gain, and a 32Ω load.
• The 4.4mm balanced and 3.5mm single-ended outputs provide different power levels; confirm your headphone plug before ordering.
• BTR17 is a Bluetooth receiver and USB DAC/headphone amplifier, not a standalone player and not a Bluetooth transmitter.

FAQ

Can FiiO BTR17 be used without Bluetooth?

Yes. Connect it to a compatible phone, tablet, or computer through USB and use it as a wired USB DAC and headphone amplifier.

Does BTR17 support aptX Lossless?

Yes, but the source device must also support aptX Lossless. Otherwise, BTR17 will use another mutually supported codec such as LDAC, aptX Adaptive, aptX HD, AAC, or SBC.

What is the difference between normal and Desktop Mode?

Normal operation prioritizes portability and battery use. Desktop Mode uses external power through the dedicated POWER IN port and provides substantially higher headphone output power.

Can Desktop Mode avoid draining the phone battery?

Yes. Use the data USB-C port for the phone or computer and connect external power to the separate orange POWER IN port.

Can BTR17 drive full-size headphones?

It can drive many portable and full-size headphones, especially through the 4.4mm balanced output in Desktop Mode. Required power still depends on headphone impedance and sensitivity.

Does it support calls?

Yes. BTR17 supports Bluetooth voice calls through its built-in omnidirectional microphone and compatible CTIA in-line microphones.

HOW TO CONNECT

Bluetooth Headphone Setup

Source icon: Smartphone

Source: Android / iPhone / Tablet

Connection: Bluetooth

Output connection: 3.5mm / 4.4mm Balanced

Target icon: Headphones

Output: Wired Headphones / Earphones

Note: The selected Bluetooth codec depends on the source device.

USB DAC with Smartphone

Source icon: Smartphone

Source: USB-C Smartphone / Tablet

Connection: USB-C Data Cable

Output connection: 3.5mm / 4.4mm Balanced

Target icon: Headphones

Output: Wired Headphones / Earphones

Note: Select PHONE mode to reduce power draw from the connected mobile device.

Desktop USB DAC Setup

Source icon: Computer

Source: Windows / macOS Computer

Connection: USB-C Data

Output connection: 3.5mm / 4.4mm Balanced

Target icon: Headphones

Output: Desktop Headphone System

Note: Connect a 5V/2A power supply to POWER IN and enable Desktop Mode for maximum output.

Car Audio Setup

Source icon: Smartphone

Source: Smartphone

Connection: Bluetooth

Output connection: 3.5mm Line Connection

Target icon: Car Audio

Output: Vehicle Audio System

Note: In-vehicle mode supports automatic power-on and power-off with the vehicle USB supply.

Technical Specifications

Feature	Specification
Bluetooth platform	Qualcomm QCC5181
Bluetooth version	Bluetooth 5.4
Bluetooth codecs	aptX Lossless, LDAC, aptX Adaptive, aptX HD, aptX, AAC, SBC
DAC	Dual ESS ES9069Q
USB controller	XMOS XU316
Amplifier architecture	Four-channel fully balanced THX AAA 78+
Maximum USB decoding	PCM up to 32-bit/768kHz; native DSD512; DoP256
Headphone outputs	3.5mm single-ended; 4.4mm balanced
Balanced output, Desktop Mode	≥650mW + 650mW at 32Ω
Balanced output, normal mode	≥300mW + 300mW at 32Ω
3.5mm output, Desktop Mode	≥280mW + 280mW at 32Ω
3.5mm output, normal mode	≥140mW + 140mW at 32Ω
Display	1.3-inch color IPS display
EQ	10-band high-precision parametric EQ
Power input	DC 5V/2A or higher
Charging time	Approximately 2 hours or less
Bluetooth battery life	Approximately 9 hours through 3.5mm; approximately 8 hours through 4.4mm under FiiO test conditions
Dimensions	Approximately 86.6 × 41.2 × 16.3mm
Weight	Approximately 73.4g
Available colors	Black / Blue

What's in the box, manuals and downloads

• FiiO BTR17 ×1
• USB cable ×1
• Protective case ×1
• Quick start guide and product documentation
• Package contents may vary by production batch or region
• Visit the official FiiO support and download center for firmware, drivers, and manuals

Additional Product Content

Choosing the correct operating mode

Mode	Recommended use	Power arrangement
BT	Wireless listening from a phone or tablet	Uses the internal battery
PHONE	Wired USB DAC use with a smartphone	Reduces power demand on the phone
PC	USB DAC use with a computer	Powered through the data USB connection
Desktop Mode	Maximum headphone output at a desk	Requires external power through POWER IN