FiiO KA3
FiiO’s KA3 brings transparent, neutral sound to portable listening, led by exceptionally resolved mids, smooth forward vocals and a remarkably dark backdrop. Prime Audio Reviews highlights its crisp detail, clean instrument separation and deeply layered, holographic imaging, while dual 3.5mm and 4.4mm outputs add welcome flexibility. It is a compact dongle DAC built for immersive, precisely organised music.
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Nicely Roasted
Sound Quality
88/100
Build Quality
80/100
Features Usability
82/100
Value for Money
85/100
Pros
Highly resolving, smooth midrange with forward vocals that avoids a lean or dry character.
Excellent instrument separation, black background and strong front-to-back depth create immersive layered imaging.
Dual 3.5mm single-ended and 4.4mm balanced outputs offer useful headphone and IEM versatility.
Cons
Soundstage is not especially wide, despite its impressive depth and layering.
Bass is clean and fast but has less sub-bass extension than the compared TempoTec Sonata E44.
No onboard volume controls; the RGB sample-rate indicator is considered more decorative than useful.
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What Reviewers Are Saying
SOUND QUALITY PERFORMANCE 88/100
The available review finds the KA3 notably transparent, detailed and cleanly separated, with a neutral presentation that retains some vocal warmth. Its strongest reported traits are midrange resolution, a dark background and convincing front-to-back layering; the review provides little direct evidence about high-demand headphone drive or dynamic headroom.
Transparency Resolution
94/100
Prime Audio Reviews calls the midrange resolution “fantastic,” describing the KA3 as crisp, detailed and precise. Instrument separation is also praised strongly, with individual sounds occupying distinct space rather than blending together.
Tonal Balance Musicality
91/100
The reviewer hears a fundamentally neutral and uncoloured presentation rather than one that adds embellishment. Forward vocals and a touch of warmth keep the midrange from sounding lean, dry or sterile.
Dynamics
82/100
The review describes an immersive, layered presentation with strong spatial organization, but offers little direct comment on transient attack, bass punch or large-scale dynamic authority. There is no reported sense of strain, although demanding dynamic tests are not discussed.
Noise Floor
92/100
Prime Audio Reviews specifically reports a very black background and clean air between instruments. No hiss, hum or background-noise concern is mentioned in the supplied listening notes.
Headphone Compatibility
82/100
The KA3 is positively reviewed as a compact dongle DAC, but the supplied review does not document pairings across sensitive IEMs, high-impedance dynamics or difficult planar headphones. Gain behaviour, low-volume control and output capability across loads are likewise not addressed.
Assessments of Build Quality, Usability, and Overall Propositions.
Build Quality
80/100
The supplied review concentrates on sound and does not provide meaningful comments on chassis construction, controls, connectors or long-term durability. There is no reported build fault, but there is also little direct ownership evidence.
Features Usability
82/100
The review identifies the KA3 as a compact dongle DAC, a format that brings DAC and headphone-amplification functionality to portable or computer listening. The supplied material says little about its connections, controls, gain options, supported formats or day-to-day ergonomics.
Value for Money
85/100
At $99.90, the KA3 sits in an accessible dongle-DAC price class. The reviewer calls it a “wonderful little dongle DAC,” but does not directly compare its price or value against competing models.
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
Manufacturer's Description — FiiO
Small USB DAC and Amplifier
Optimized HiFi audio architecture
Independent flagship DAC
32Bit/768kHz DSD512 robust capacity
3.5+4.4 dual headphone outputs
* The product is subject to the actual product.
The drawings are for reference only.
Creating a better headphone jack in their absence
most current mobile phone designs have eliminated the traditional headphone jack,
this is the case, then we will create a headset port with better sound quality.
Tremendous performance in a slim package
Within the KA3’s petite frame lies exceptional hardware.
Optimized and enhanced HiFi audio architecture
Experience uncompromised audio quality with a carefully engineered multi-chip audio circuit.
High-performance flagship DAC
Equipped with the powerful and proven ESS ES9038Q2M,
supporting 32bit/768kHz and DSD512.
Potently robust
Dual headphone outputs
Comes equipped with 2 headphone outputs, both powerful to easily drive a variety of headphones.
Low noise floor
Clean sound for a great sound
Featuring abundant power with high signal-to-noise ratio,
low distortion, and almost 0 noise – this is true high-fidelity sound.
Have it all
Dual SE and balanced outputs
Satisfy multiple use cases with both a 3.5mm single-ended and a 4.4mm balanced output.
Wonderfully versatile
Anywhere, anytime
Compatible with various OSes like Android/iOS/Windows/Mac
Compatible with many devices like phones/tablets/computers/audio players
Use in various scenarios like listening when commuting, in the home or office, or even gaming
*Due to the large output power of the KA3 and limited external power supply of iPhones, stutter and muteness may happen to the maximum volume.
Stunningly suave
All-metal construction
The all-metal body sports a handsomely rugged design with distinct edges and a luxurious gold and black finish.
Practical and beautiful RGB touch
Besides exuding elegance, the RGB light indicator usefully indicates the current sampling rate.
48kHz and below sampling rate
48kHz and above sampling rate
DSD
Even more ways to interact
Unleash the KA3’s potential with more interactivity in a control app including controls for 7 kinds of filters, high and low gain, and channel balance adjustment.
*The KA3 can only be controlled by Android devices.
Verified Dealers
Online Dealers
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Authorized dealers for FiiO KA3
- 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