FiiO KA13
The FiiO KA13 delivers a balanced, lively sound with controlled bass, honest mids and a cleanly extended top end, while its inky-black background flatters sensitive IEMs. PortaFi also found its Desktop Mode capable with 300-ohm headphones, making this compact dual-DAC dongle a persuasive bridge between portable ease and desktop-grade drive.
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Nicely Roasted
Sound Quality
89/100
Build Quality
84/100
Features Usability
88/100
Value for Money
91/100
Pros
Balanced, dynamically engaging tuning with controlled bass, clear mids and good treble extension.
Exceptionally quiet background; no audible noise was reported even with sensitive headphones.
Desktop Mode can properly drive 300-ohm Sennheiser headphones, extending its usefulness beyond easy portable loads.
Strong connectivity and usability package, including balanced output, onboard independent volume control, and bundled Lightning, USB-C and USB-A adapter accessories.
Cons
Soundstage is not especially expansive, with width stronger than depth.
Ultimate treble extension, layering and micro-detail fall short of more premium, hyper-analytical sources.
Evidence is limited for demanding low-sensitivity planar headphones.
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What Reviewers Are Saying
SOUND QUALITY PERFORMANCE 89/100
The KA13 is described as a balanced, dynamically lively portable DAC/amp with a notably quiet background and a capable desktop mode. Its presentation favors an easy, musical balance over hyper-analytical detail, while soundstage depth and ultimate treble extension are more restrained.
Transparency Resolution
86/100
PortaFi found good resolution, small-detail retrieval and microcontrast, with convincing instrument placement. The reviewer also says it does not pursue an aggressively hyper-detailed or mega-analytical presentation, and the stage is not especially large.
Tonal Balance Musicality
89/100
The reviewer characterizes the KA13 as balanced with emphasized dynamics, rather than strongly warm or analytical. Treble extension is better than average but not maximal, suggesting an energetic yet controlled upper range.
Dynamics
90/100
Dynamics are a clear strength: PortaFi explicitly describes the KA13 as balanced with accentuated dynamic expression. In desktop mode it was also reported to drive 300-ohm Sennheiser headphones properly, lending practical support to its sense of drive.
Noise Floor
92/100
PortaFi reports a very low background-noise level and a convincingly dark background. The reviewer heard no noise even with sensitive headphone models, an important result for a compact USB-powered device.
Headphone Compatibility
89/100
The KA13 handled sensitive headphones quietly and was reported to drive 300-ohm Sennheisers normally in desktop mode. Its balanced output provides substantially more available power, though the supplied review offers limited evidence with difficult low-sensitivity planar headphones.
Assessments of Build Quality, Usability, and Overall Propositions.
Build Quality
84/100
PortaFi considers the KA13's design excellent, and its compact form is well suited to portable use. The review says little about chassis materials, long-term durability, connector wear, or control quality.
Features Usability
88/100
This is an unusually flexible dongle DAC/amp, with both single-ended and balanced headphone operation, onboard volume buttons, and independent device-volume control added through firmware. The package includes Lightning and USB-C cables plus a USB-A-to-C adapter, making it easy to use with phones, computers, and older USB-equipped devices.
Value for Money
91/100
At about US$80 according to PortaFi, the KA13 was judged a very good-sounding option for its asking price. The reviewer stops short of calling it a category killer, but considers it a strong portable DAC/amp that can also serve as a basic desktop solution.
Reviews & Sources
Professional reviews and sources for this product's Watt'n Potatoes analysis.
Online Reviews & Mentions
YouTube Reviews
Forum Mentions
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Specifications
- Colors
- Midnight black, Dawn silver
- DAC chip
- CS43131*2
- Op-amp chip
- SGM8262*2
- Supported audio formats (up to)
- 384kHz/32bit, DSD256
- USB connector
- Type-C USB2.0
- Dimensions
- About 56.3*22*10.5mm
- Weight
- About 18.5g (excluding cable)
- Output power 1
- L+R≥170mW+170mW (32Ω single-ended/THD+N＜1%)
- Output power 2
- L+R≥550mW+550mW (32Ω balanced/THD+N＜1%)
- SNR 1
- ≥123dB (32Ω/A-weighted/single-ended)
- SNR 2
- ≥122dB (32Ω/A-weighted/balanced)
- Noise floor
- PO＜1.7μV (A-weighted); BAL＜3.1μV (A-weighted)
- Output impedance 1
- ＜1.7Ω (32Ω load/single-ended)
- Output impedance 2
- ＜1.8Ω (32Ω load/balanced)
- THD+N
- ＜0.0005% (32Ω/single-ended)
- Specification
- ＜0.0005% (32Ω/balanced)
Manufacturer's Description — FiiO
Portable DAC and Headphone Amplifier
Mini desktop amp | 550mW high power | Dual CS43131 DACs
Dual 8262 op-amps | PCM 384kHz/32bit | DSD256
3.5+4.4 dual outputs | App connectivity | SPDIF output
Ambient light window
*Pictures are for reference only. The actual product may vary.
Selling points
Mini desktop amp
Special desktop mode,
balanced output power up to 550mW
High resolution, highly detailed
Supports PCM 384kHz/32bit
and DSD256
A golden combination
Dual CS43131 DACs
+ Dual 8262 op-amps
3.5+4.4 dual outputs
Meeting your usage needs
Hi-Res Audio certified
Guaranteed sound quality
RGB ambient light window
Find out the sampling frequency with just a glance
SPDIF output
Transforms into a mini digital interface
Supports APP connectivity
For selecting filters and other functions
From the portable desktop-level unit M17, the portable desktop-grade DAC and amp Q7, to the more portable yet desktop-capable M15S, audiophiles’ warm reactions to these models prove many love desktop-level audio gear. After being successfully applied to the three high-end models, the desktop mode will now evolve and be applied to audio dongles. The FIIO KA13 mini desktop amp features a desktop mode to fully unleash its performance. Let us show you what dongles can do, reaching the incredible heights of desktop-level gear.
Dual cores A golden combo
With two high-performance yet highly efficient CS43131 DAC chips and two low-noise SGM8262 op-amps, this truly “dual-core” golden combo brings excellent performance. Rediscover your music collection again full of newly discovered details with the KA13.
Mini desktop amp Big performance
The KA13 features a desktop mode, which the engraved lightning bolt logo hints at. In desktop mode, balanced output power goes up to 550mW, allowing the KA13 to drive both low and high-impedance headphones with excellent dynamics and detail.
High-res decoding
Higher detail
With support for 32bit/384kHz PCM and DSD256, the KA13 despite its tiny size is capable of highly-detailed sound. Hear the details and get a better look into your music.
Dual outputs Thanks to real progress
The KA13 not only manages to fit a 3.5mm single-ended headphone out, it also manages to pack a 4.4mm balanced headphone out. FIIO engineers repeatedly adjusted the design of the KA13 and finally managed to fit two headphone outputs in the compact dongle, marking true progress in packaging capabilities.
*3.5mm interface supports SPDIF output. After turning on SPDIF output through the FIIO Control app, you can convert USB audio signals to coaxial SPDIF signals to connect to external DACs in other audio setups.
3.5mm single-ended headphone out
4.4mm balanced headphone out
Included adapter cables Compatibility with multiple platforms
The KA13 features a detachable cable design. When combined with the included Type-C and Lightning adapter cables, you can listen with various systems * without having to immediately purchase another cable.
*Compatible with Android, iOS, Windows, and Mac devices
RGB ambient light window A new window into music
The RGB ambient light window not only looks good, but also lets you quickly know the sampling frequency of your audio – letting you feel the charm of a device “Born For Music.”
PCM≤48kHz：Light blue
PCM＞48kHz：Yellow
DSD：Green
*RGB ambient light window can be turned off through the FIIO Control app on Android devices.
All functionality All in the App
The KA13 supports being controlled with the FIIO Control app. With the app, you can set the RGB lights, SPDIF output, audio filters, etc. for a more convenient experience.
*FIIO Control app’s control over KA13 only supported on Android devices
An aggressive style Yet also looking forward
The front of the CNC metal body features unique lines, while the rear contains exquisite texture, for an aggressive yet futuristic look. The KA13 is also soft to the touch, for greater comfort every time you use it.
*KA13’s front-panel glass features an anti-scratch film
*KA13 buttons, short press to adjust volume, long press to switch tracks
Two elegant colors Adding a dash of liveliness
Midnight black: Pure calm elegance.
Dawn silver: Cool, yet vibrant color.
Many ways to use
Connect to phones
Connect to computers
Connect to tablets
SPDIF out to connect to external DAC
With MagClip Enjoy Hi-Fi on the go with greater ease
When used with the magnetic bundling kit MagClip, it is locked securely without wobbling, allowing for a more comfortable portable Hi-Fi experience!
Abundant accessories
① ------------------------------------------------------ KA13 * 1
② --------------------------------- Type-C to Type-C cable*1
③ ------------------------------ Type-C to Lightning cable*1
④ ---------------------------------- Type-C to USB-A cable*1
⑤ ------------------------------------------------------ Manual*1
⑥ ---------------------------------------------- Warranty card*1
Verified Dealers
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Authorized dealers for FiiO KA13
- 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