FiiO QX13
The QX13 turns a phone or laptop into a remarkably assured headphone rig, pairing clean, detailed sound with a subtly full, musical balance and unusually forceful drive. Passion for Sound highlights its refined separation and wide staging, while the 4.4mm output and Desktop Mode unlock serious dynamic headroom for demanding headphones. A silent background, PEQ and polished carbon-fiber portability complete an exceptionally versatile dongle DAC/amp.
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Deliciously Crispy
Sound Quality
92/100
Build Quality
90/100
Features Usability
94/100
Value for Money
88/100
Pros
Clean, refined and highly detailed presentation with excellent separation, imaging and a wide soundstage.
Exceptional output power for its compact size, with Desktop Mode providing convincing control and impact for demanding full-size headphones.
Extensive customization, including parametric EQ, filters, gain settings and display controls, plus balanced and single-ended outputs.
Cons
App support was reported as Android-only, leaving iOS users without direct app control and requiring a workaround for settings changes.
The presentation can sound comparatively flat in depth and layering despite its strong width and separation.
Desktop Mode requires external power for maximum output, while standard use draws power from the connected source device.
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What Reviewers Are Saying
SOUND QUALITY PERFORMANCE 92/100
Reviewers consistently describe a clean, clear and highly resolving presentation, with neutral-to-slightly-warm tuning rather than a clinical edge. Its unusually strong portable output is credited with authoritative control and impact, while one reviewer specifically found it silent even with sensitive IEMs.
Transparency Resolution
93/100
Passion for Sound calls the QX13 clean, detailed, transparent and refined, praising its separation and image placement. Prime Audio Reviews similarly found it highly resolving, while WaveTheory heard good resolution and texturing without undue forwardness.
Tonal Balance Musicality
91/100
The tonal balance is widely described as neutral, with reviewers differing only on the degree of warmth: Passion for Sound hears a balanced, uncoloured sound, while WaveTheory, Prime Audio Reviews and Giz Audio hear a subtle fuller or warmer smoothness. Those reviewers regard that touch of body as musical rather than obscuring detail.
Dynamics
94/100
Reviewers repeatedly highlight exceptional output for such a small dongle. Prime Audio Reviews reports visceral, impactful macro-dynamics without compression, and WaveTheory heard plentiful impact, control and holography when paired with suitable headphones.
Noise Floor
91/100
Prime Audio Reviews reports a pitch-black background with no audible hiss even through very sensitive IEMs, despite the QX13's substantial power. Other reviews focus more on clarity and refinement than explicit noise testing, but do not raise background-noise concerns.
Headphone Compatibility
93/100
The 3.5mm and 4.4mm outputs, selectable gain and Desktop Mode give the QX13 considerable flexibility for a portable USB DAC/amp. Prime Audio Reviews found it capable of driving virtually any headphone and praised the available headroom, while WaveTheory notes that its best dynamics and control come with headphones it is comfortable driving.
Assessments of Build Quality, Usability, and Overall Propositions.
Build Quality
90/100
The carbon-fiber version uses a 21-layer chassis intended for robustness and heat dissipation, and reviewers describe the device as beautifully made. Passion for Sound calls its compact engineering, power delivery and feature integration remarkable, though the available reviews do not provide long-term durability observations.
Features Usability
94/100
This is an unusually full-featured dongle, combining 3.5mm and balanced 4.4mm outputs, a large display, Desktop Mode, extensive high-resolution format support and digital-output capability. The app offers gain, filters, channel balance, display controls and 10-band PEQ; however, WaveTheory reports Android-only app support, conflicting with Ecoustics' iOS-and-Android claim and creating some uncertainty for Apple users.
Value for Money
88/100
At roughly $219–$240, it costs appreciably more than a basic USB dongle, a point Passion for Sound acknowledges. Still, that reviewer finds the build, features and sound make the price understandable, while WaveTheory considers it fairly priced given performance approaching FiiO's pricier M21.
Reviews & Sources
Professional reviews and sources for this product's Watt'n Potatoes analysis.
Online Reviews & Mentions
YouTube Reviews
Forum Mentions
No forum mentions found yet
Specifications
- Color
- Black (carbon fiber)/Titanium (aluminum alloy)
- Weight
- About 33.7g (carbon fiber)/About 39.2g (aluminum alloy)
- Dimensions
- About 64.2x30.7x13mm
- USB chip
- XMOS XU316
- DAC
- ES9027SPRO
- Op-amp
- OPA1692*2
- Headphone amplifier
- TI INA1620*4
- Sampling rate support
- Asynchronous 768kHz/32bit, DSD512 (Native), MQA full decoding USB DAC driver-free mode: Supported
- Display
- 1.99 inch IPS, Corning third-gen high-strength glass
- Headphone output
- Single-ended 3.5mm + balanced 4.4mm
- Output power 1
- L+R≥310mW+310mW (32Ω/THD+N＜1%/SE/desktop mode)
- Output power 2
- L+R≥900mW+900mW (32Ω/THD+N＜1%/BAL/desktop mode)
- Output power 3
- L+R≥250mW+250mW (32Ω/THD+N＜1%/SE/non-desktop mode)
- Output power 4
- L+R≥605mW+605mW (32Ω/THD+N＜1%/BAL/non-desktop mode)
- Output power 5
- L+R≥40mW+40mW (300Ω/THD+N＜1%/SE/desktop mode)
- Output power 6
- L+R≥125mW+125mW (300Ω/THD+N＜1%/BAL/desktop mode)
- SNR
- ≥124dB (A-weighted)
- Noise floor
- PO＜2μV (A-weighted); BAL＜3.4μV( A-weighted)
- THD+N
- ＜0.0004% (1kHz/-2dB@32Ω)
Manufacturer's Description — FiiO
Portable High-Res Lossless Music Player
900mW+900mW desktop-level power | ESS 8-channel DAC ES9027SPRO
6 TI high-precision op-amps | XMOS 16-core XU316
10-band high-precision PEQ | Fully carbon fiber body
1.99-inch color display | Included magnetic protective leather case
*Pictures are for reference only. The actual product may vary.
High Specs
New Chapter
All-new FIIO QX series
Writing a new chapter on high-performance audio dongles
FIIO QX13
Brings together over a decade of FIIO’s technical expertise
Combines the Q series of portable amps with magnetic/attachable features
Creating a high-end, fully integrated ecosystem audio dongle
Fully carbon fiber body
Always pushing boundaries
Pushing the boundaries of what can be done – the QX13 is made with up to 21 layers of stacked carbon fiber for a lightweight yet durable build. The carbon fiber also allows it to be resistant to interference and heat, while featuring a unique texture and a premium feel.
*Carbon fiber is widely used in high-end products such as aviation, sports cars, and other items. It is light in weight, high in strength and stiffness, and resistant to corrosion. It has excellent properties and feels luxurious.
*To improve grip comfort and achieve a better visual effect, the surface of the carbon fiber version was processed with ultra-transparent UV varnish treatment. Please use the QX13 with the leather case to minimize scratches caused by friction with hard objects.
*There is an alternate aluminum alloy model with a laser-engraved back panel, with its simply elegant yet advanced look.
Extra large color display
A fresh perspective
The QX13 features an extra-large color display outfitted with Corning third-gen high-strength glass for greater durability and scratch resistance, rare among audio dongles. Multiple newly developed personalized UI themes powered by a 32-bit processor ensure that the user experience is unrivaled among audio dongles, making it just right for you whether in portrait or landscape mode.
Desktop-grade DAC
ESS SABRE PRO
Flagship ES9027SPRO
The chip features a fully differential audio architecture design with 8 channels set up in parallel, and is paired with a pair of ultra-low-noise ES9312 regulators for precise output matching on each audio channel. Audio signals are accurately restored thanks to this pair of chips’ optimized power efficiency and effectiveness in reducing clock jitter.
*The ESS SABRE PRO series of DAC chips are mainly used in high-end audio systems and professional audio gear. The first generation of products included the flagship ES9038PRO, and the second generation of products included the new flagship ES9039PRO and EES9027SPRO.
6 high-end TI op-amps
Powerful and stable output
with high efficiency
The QX13 uses four wafer-level precision-integrated INA1620 chips, with a specially designed internal layout to significantly reduce crosstalk – for no interference between channels even under extreme conditions. Additionally, two low-noise, low-distortion OPA1692 chips are employed to ensure excellent dynamics under various load conditions.
Patented Desktop Mode
Adaptive regulation
Balancing performance
and power consumption
Thanks to its new configuration, optimized audio circuit, and more efficient heat dissipation, the QX13 in desktop mode can deliver power comparable to full-size headphone amplifiers while also significantly reducing power consumption. It also features a high- precision power meter, capable of accurately assessing the power supply capabilities of different USB sources and intelligently adjusting accordingly the headphone amplifier’s gain and output power.
Patent no：ZL202321946664.8
Digital and analog separation Multi-layer shielding
The digital and analog boards are separated and equipped with a shielding cover for isolation, ensuring precise and dynamic signal processing. This design also effectively absorbs and dissipates heat, enabling effective thermal management and ensuring the QX13 delivers sustained high-power output.
XMOS 16-core XU316
Uniquely brilliant
The QX13 has pro-grade USB Audio quality, with high performance, low latency, and support of up to 768Khz/32bit PCM and DSD512 native decoding. Dual ultra-low phase noise, low temperature drift femtosecond crystal oscillators ensure that audio of various sampling rates is correctly handled for the best sound quality. The XMOS XU316 also allows for a 10-band lossless PEQ, which can be tuned either via the Android FiiO Control app or through the web, making it easy to dial in your sound.
*Web PEQ location: Top bar of FIIO website – Support – Web-based PEQ settings
*When PEQ is turned on, the max sampling rate supported PEQ adjustment is PCM 192kHz/24bit
Specially-designed
audio architecture
Rivaling pro DAC and headphone amplifiers
The QX13 condenses audio architecture design found in fairly high-end DAC and headphone amplifiers into a small dongle. The QX13 with its design achieves high-precision conversion of audio signals to the DAC thanks to dual crystal oscillators. The audio signal goes through multiple stages of analog processing—including LPF voltage amplification, BUF current boosting, and parallel-enhanced current expansion—delivering sound quality comparable to that of professional DAC and headphone amplifiers.
Full ecosystem of accessories The essence of portable HiFi
It is compatible with the ESTICK mini power banks, allowing you to travel light while still having powerful audio output. Turn on the charging function to allow it to be charged by the ESTICK, and you have a mini desktop-grade audio setup.
The included magnetic leather case achieves perfect alignment for an iPhone. For Android devices, the included magnetic ring can be used to achieve the same result.
Comes standard with an 8-strand decoding cable – 6 strands of monocrystalline copper + 2 strands of silver-plated monocrystalline copper, giving pure high-fidelity sound.
Dual curved magnets embedded in the case back
Want everything
Got everything
Temperature regulation, DC output
regulation, max volume limit
3.5mm output supports SPDIF out
UAC1.0 mode supports Switch/PS5 and other devices
60-step and 120-step volume adjustment scales
Supports Android FIIO Control APP/Web
Packing List
① ------------------------------------------------------QX13*1
② --------------------------------------------Leather case*1
③ -----------------------Type-C to Type-C data cable*1
④ ----------------Type-C silicone plug*2 (pre-installed)
⑤ ----------------------------------Screen protector film*1
⑥ ------------------Ring-shaped magnetic conductor*1
⑦ ---------------------------------------Quick Start guide*1
⑧--------------------------------------------Warranty card*1
Verified Dealers
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Authorized dealers for FiiO QX13
- 110Hz — online and in-store — Kielce, Województwo świętokrzyskie, Poland (website)
- Acoustic Technologies — online and in-store — Montréal, Québec, Canada (website)
- Addicted to Audio — online and in-store — Epping, Victoria, Australia (website)
- Advanced MP3 Players — online and in-store — Musselburgh, Scotland, United Kingdom (website)
- All Elite Audio — online and in-store — Perry Hall, Maryland, United States (website)
- Alpha Audio Pte — online and in-store — Singapore, Singapore (website)
- Apos Audio — online and in-store — Oakland, California, United States (website)
- Audeos — online and in-store — Żywiec, Województwo śląskie (website)
- Audio 46 — online and in-store — New York, New York, United States (website)
- Audio Affair — online and in-store — Deritend, England, United Kingdom (website)
and 59 more verified dealers