Potato score: 90.4

90%

FiiO BTR17 #1
FiiO BTR17 variant 1
FiiO BTR17 variant 2
FiiO BTR17 variant 3
FiiO BTR17 variant 4
FiiO BTR17 variant 5
FiiO BTR17 variant 6
FiiO BTR17 variant 7

FiiO BTR17

China flag
View at FiiO
Bluetooth
Built-in DAC
Headphone Output
Display
MQA Decoding
DSD Support
USB DAC Mode
Balanced Headphone Output
Battery Powered
Parametric EQ

Flagship Qualcomm Bluetooth platform QCC5181, Bluetooth 5.4


Supports LDAC, aptX Lossless | Physical control knob


Desktop mode 650mW+650mW powerful output | Dual flagship DACs ES9069Q*2


10-band high-precision PEQ | XMOS 16-core XU316


Four-way full balanced THX AAA 78+ amps | Multi-stage HiFi audio architecture


* Pictures are for reference only. The actual product may vary.

A master of all trades Unrivalled

The BTR17, brings together FIIO's years of expertise in developing DACs and headphone amps. Within a compact package, it fits flagship-level features such as a multi-stage audio architecture and precision power supply system comparable to other high-end players and DAC/headphone amp combos. It is truly a master of all trades that will once again become a new standard amongst Bluetooth headphone amps.

A new chip era

New era of lossless

Bluetooth Flagship Qualcomm Bluetooth chip QCC5181

The BTR17 is equipped with Qualcomm’s new flagship QCC5181 Bluetooth chip, which not only complies with the Bluetooth LE Audio standard and has transmission bandwidth capacity of 2.1Mbps, but also is capable of lossless quality within the aptX Adaptive system. This means the chip is capable of achieving CD-level lossless sound quality over Bluetooth audio, bringing you ever closer to the music with all of its intricate details.


Additionally, the BTR17 also supports the latest Bluetooth standard – Bluetooth 5.4. It also supports the LDAC, aptX Adaptive 96kHz/24bit  Bluetooth audio codecs, which when combined with Snapdragon Sound technology means your Bluetooth listening experience has never sounded this good before.

Patented desktop mode

Independent power supply, ”Boosted” performance

On the BTR17 is a dedicated D.Mode (desktop mode) switch along with a port to connect an external independent power supply. When in desktop mode, if you connect the BTR17 to a phone as a dongle DAC and headphone amplifier you can also choose to connect an external power supply to the BTR17 via its dedicated power port. Doing so means that the BTR17’s battery will be completely powered via USB, which not only avoids overcharging and over-discharging its built-in battery but also means it is capable of powerful audio output without consuming the connected phone’s battery.


Patent number: ZL202321946664.8

Covering all uses

One switch for multiple uses

On the BTR17 is a convenient PC/BT/PHONE three-position switch which allows it to seamlessly switch between operating modes. Switching modes allows the BTR17 to optimize its power supply status according to the device connected, making it perfect for various use cases.


PC (computer sound card): The device is completely powered by the computer.


BT (Bluetooth DAC and amp): The device is powered by the internal battery, and when connected to USB can be used for charging and power supply.


PHONE (phone dongle): The device’s internal battery participates in power supply, reducing the power consumed from the connected phone.

Cleverly innovating

XMOS 16-core XU316

The USB chip employed is the flagship XMOS XU316, which boasts lower latency, more stable transmission, and better compatibility than typically used USB controllers. Support for 768kHz/32bit audio, DSD512 native, and MQA full decoding means that the chip can handle almost any audio stream that comes its way. The XU316’s ample computing power also enables a high definition PEQ supporting up to 192kHz audio on the BTR17. 

Sound tuning,

completely in your hands

10-band high-precision lossless PEQ

FIIO has worked constantly to deeply integrate software and hardware in order to create user-friendly apps and web interfaces. The continuously refined proprietary PEQ adjustment algorithms allow you to finely adjust EQ frequency points, gain, bandwidth, and Q value to your liking. This fully lets you simulate or correct the frequency response curve of various headphones. Additionally, you can import, export, share, and save EQ curves, enabling everyone to enjoy the fun of tuning.


*Web-based PEQ location: FIIO official website top status bar – Support -- Web-based PEQ settings.


*The side of the device features a dedicated EQ shortcut key, which you can press to quickly select your desired EQ settings.

Dual cores and four channels, Outstanding performance

Dual flagship ES9069Q DACs

Inside the BTR17 are two ESS ES9069Q DACs based on the fourth-generation 32-bit HyperStream architecture, achieving high performance while using less power. This architecture helps to further reduce digital noise within the DAC, allowing it to hit 130dB dynamic range and -120dB total harmonic distortion. The result is a richer, musical sound against a cleaner audio background.

Thoroughly improved

THX AAA 78+ headphone amp

The BTR17 uses the THX AAA 78+ headphone amp, as in the renowned FIIO KA17 and M23. The four-channel fully balanced design utilizing 8 op-amps in parallel ensures robust yet controlled power, for clearer and more natural sound.

Miniature amp

Power sound

When the POWER IN port is connected to USB power and desktop mode is activated, the BTR17's THX headphone amp will use four op-amps in parallel for current amplification to fully unleash its potential. The result is a balanced output power up to 650mW+650mW, an astonishing 203% increase compared to the BTR7. This is comparable to even desktop headphone amplifiers.

Multi-stage HiFi

audio architecture

Comparable to premium digital audio players

The BTR17 integrates mid-to-high-end HiFi player-level signal processing within its compact body. Digital signals are deftly handled by the dual-clock digital audio and DAC. LPF preamplification and multi-stage analog audio processing ensure details and the dynamic range within audio signals are precisely restored, comparable to premium digital audio players.


Multi-stage power supply


Precise power allocation


Three-stage ten-rail precision power supply, Boundless energy


Inside the BTR17 is a three-stage, three main rails precision power supply. The first stage is composed of filtering + overvoltage protection, the second level handles DC-DC boost conversion, and the third stage is comprised of high-precision LDO voltage stabilization. There is an independent power supply rail for the digital signal, digital-to-analog conversion, and analog amplification parts of the audio circuit as well as more than 10 small rails. This specially-designed power supply provides a stable and ample energy supply, laying a solid foundation for excellent sound quality.

Comprehensively protected, Worry-free listening

Built-in temperature and DC output detection, prevents damage to the device and headphones if abnormal conditions are detected for safer usage.


Volume limit, prevents accidental loud volumes and protects against hearing damage.


Flagship style


All in the details


All-new UI, open-and-shut


The new UI made possible by the 1.3-inch IPS color screen supports both Chinese and English displays. The font color even changes along with the audio format. The BTR17’s overall design is focused on making sure the user can intuitively use it and easily grasp its current status.


Raw leather crafted, comfortable grip


The sturdy 3D aluminum alloy body with a back cover made of innovative fully bonded raw leather, combined with the two-section front panel design helps to provide a comfortable grip.


Pressable volume knob


The eye-catching volume knob features a double-sided 3D engraved design. The exquisite craftsmanship of the pressable volume knob is evident when pressed and rotated, offering an excellent and tactile feel and control.


In Bluetooth mode:


PQ (Popular Quality): Average sound quality


HQ (High Quality): High-resolution sound quality


SQ (Super Quality): Super high-resolution sound quality


HR (High Resolution): Quasi-lossless sound quality


Control knob durability:


Press  >50000 times


Rotate>40000 cycles


*Figures come from FIIO Labs’ testing. Actual numbers may vary due to different usage conditions.


A flagship experience In every aspect


*Voice calls are only supported


  in Bluetooth mode.


3.5mm+4.4mm dual outputs


Driver-free mode


Two intricate colors, included leatherette case


When used with the magnetic bundling kit MagClip, it is locked securely without wobbling, allowing for a more comfortable portable Hi-Fi experience!


Select UAC1.0 mode, simply plug and play with Switch, PS5, and other devices.


Compatible with most headphones, 3.5mm output also supports CTIA-protocol in-line controls


A wonderful companion app, more ways to play


Specially processed 8 strands of decoding cable


Pair with the FiiO Control App to unlock more functionality from the BTR17. The app also allows for firmware upgrades, whether through OTA or local upgrades.


6 strands of monocrystalline handles the current transmission, providing abundant power and purer sound;


2 strands of monocrystalline silver-plated handles digital transmission, ensuring accurate data transmission with high fidelity.

Buttons and ports labeled

4.4mm balanced headphone out


3.5mm headphone out


Display


Volume knob&button:


Volume adjustment, Play/Pause, Enter /Switch/Confirm/Exit menu, Answer /Hang up/Reject/Cancel a call, Bluetooth reconnecting, Activate voice assistant


Microphone hole


Power button: Power on/off, Turn on/off display, Reset


Previous track: Previous track, Switch EQ


Next track: Next track, Force a pairing, Switch EQ


Mode toggle switch


Exclusive power input port for Desktop Mode


Type-C charging/decoding port

Parts list

① ----------------------------------------------------------BTR17*1


② ---------------------------------------------Leatherette case*1


③ Specially-made short dual Type-C OTG data cable*1


④ --------------------------------------------Quick start guide*1


⑤ ------------------------------------------------Warranty card*1


⑥ ----------------------PET protective film (pre-installed)*1

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Overall Score 90/100

Rating for [object Object]

Deliciously Crispy

Portable powerhouse with desktop-level headroom

The FiiO BTR17 packs desktop-class output and flagship codecs into a pocketable dongle. Dual ESS ES9069Q DACs, a THX AAA 78+ amp and a dedicated Desktop Mode deliver up to 650mW per channel and a very low noise floor (SNR ≥126dB), giving palpable dynamics and headroom, as highlighted by Ian White and Marco Lisi.

Sonically it trends neutral, vivid and crisply detailed: natural mids, punchy, detailed bass and incisive treble that can be source-dependent, a point noted by Audiophilepure. Connectivity is generous—Bluetooth 5.4 with LDAC, aptX Adaptive and aptX Lossless—plus a 10-band PEQ, balanced 4.4mm and 3.5mm outputs and USB driver-free UAC. At $199 the BTR17 offers rare portability with near-desktop performance and strong value for listeners who want flexibility and power on the go.

Best of High End

"FiiO has the groundbreaking BTR 17 in its portfolio, a revolutionary pocket-sized headphone amplifier that promises desktop-level power and performance all for an affordable $199."

Pros

  • State-of-the-art wireless and USB connectivity including Bluetooth 5.4, LDAC, aptX Adaptive and aptX Lossless, giving high-resolution options for modern sources.
  • Desktop-level power and dynamics via THX AAA 78+ amplification and Desktop Mode (up to 650mW+650mW), making it suitable for demanding headphones.
  • Dual flagship ES9069Q DACs and excellent measured specs (SNR ≥126dB, THD+N <0.00035%) produce a refined, low-noise presentation with detailed resolution.
  • Highly versatile feature set—3-position PC/BT/Phone switch, 10-band high-precision PEQ, balanced 4.4mm and single-ended outputs and USB UAC—adds customization and system compatibility.

&

Cons

  • Practical benefit of aptX Lossless is currently limited by the small number of source devices that support the codec.
  • Treble can be incisive and is noticeably dependent on source and codec quality when using Bluetooth.
  • Bass character is detailed and punchy but may come across slightly dry to listeners seeking a warmer low end.

Sound Quality

91/100

The unit's THX AAA 78+ topology, dual DACs and high desktop-mode output (650mW+650mW) are repeatedly noted as providing strong headroom, punch and controlled power (ecoustics, Best of High End). Reviews call out lively, dynamic presentation and ability to deliver desktop-level power from a pocket-sized unit.

Noise Floor

90/100

Measured specs cited by reviewers (SNR ≥126dB, THD+N <0.00035%, and references to a 130dB dynamic range/reduced digital noise) support a very low noise floor appropriate for sensitive IEMs (ecoustics, product specs). No reviewers report audible hiss; objective spec-backed claims justify a near-silent background.

Headphone Compatibility

90/100

Balanced 4.4mm and single-ended 3.5mm outputs, a dedicated desktop mode and up to 650mW per channel (32Ω) give the BTR17 the power and connectivity to handle efficient IEMs through demanding planars (ecoustics, Best of High End). Output impedance isn’t explicitly stated in reviews, but the high power and balanced topology make it broadly compatible with a wide range of headphones.

Build Quality

88/100

Reviews reference improved power circuitry, a refined DAC section, and a compact ergonomic design with quality internal components (Audiophilepure, ecoustics, Best of High End). The device's compact construction and implementation of flagship chips (QCC5181, ES9069Q) are cited as signs of solid engineering for the price.

Features Connectivity

94/100

Starts from the baseline and adds high-value extras: dual high-end ES9069Q DACs (+5), USB audio support and driver-free UAC mode (+2), LDAC/aptX Lossless/aptX Adaptive support (+2), balanced 4.4mm output (+2), both 3.5mm and 4.4mm outputs (+1), and a 10-band high-precision PEQ (+2). The three-position PC/Bluetooth/phone switch and desktop mode for external power further enhance versatility (ecoustics, Best of High End).

Value for Money

90/100

Multiple reviewers highlight the BTR17's aggressive feature set and performance at the $199 price point, calling it a forward-thinking, affordable solution that may not need replacing for years (Best of High End, ecoustics). Given its flagship chips, balanced outputs, and desktop-level power in a pocketable package, reviewers consider it strong value for the money.

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