TAS Commitment
Product Snapshot
Description
High-Sensitivity Dynamic Driver
Experience excellent sound quality with powerful bass performance and an amazing acoustic frequency response curve. The resin and metal laminated exterior design ensures durability and style, while the ergonomic design guarantees comfort.
Exceptional Sound Quality Performance
Stemming from the relentless pursuit of perfect sound, EDC Pro takes the sound quality of mainstream high-end HiFi products as a reference benchmark. It incorporates the strengths of various brands and ultimately achieves professional-grade sound quality comparable to mainstream high-end products at a significantly advantageous cost.
High-Sensitivity Driver for Ultra-High Output and Wide Dynamic Range
This self-developed and designed high-performance dynamic driver is the core of professional sound quality, leading in performance and featuring a wide dynamic range and low distortion under the same size specifications.
Superior Dynamic Performance in Bass Processing Capability
With its excellent dynamic response and remarkable bass handling ability, the high-sensitivity dynamic driver of EDC Pro injects vigorous vitality into the audio experience, making the rhythm deep and powerful, and the bass dive precise and full.
Superb Sound Detail Resolution
Unlock the infinite dimensions of music, whether it's classical, rock, or jazz. Each music genre can be vividly presented, capturing every note with exquisite precision.
Exceptional Performance in Comparison
The acoustic curve is a benchmark for judging good sound quality, and an excellent curve is recognizable at a glance. EDC Pro, with its obvious excellent curve, fears no challenges or comparisons.
Cable and Appearance Design
Sturdy and durable replaceable cables allow you to easily replace and upgrade cables, catering to your various earphone usage scenarios and significantly extending the lifespan of your earphones. Based on a classic design, we continuously iterate and upgrade our products. Compared with the previous generation, the upgraded housing has better transmittance, bringing delightful visual effects.
Ergonomic Design Integrated into Details
Weight Reduction: From the speaker to the housing, the overall design concept is to improve wearing comfort and portability. Housing Design: A housing shape designed based on an extensive collection of human ear data, suitable for most people to wear. Silicone Eartips: The standard silicone eartips are skin-friendly, which can better fit the ear canal and provide good wearing comfort.
Two Cable Versions Available
EDC Pro offers two audiophile-grade cable versions - the silver-plated cable version and the OFC flat cable version. The silver-plated cable version adopts the oxygen-free copper surface silver-plating process to enhance the conductivity of the cable, delivering music details in a purer, more efficient manner, resulting in a more transparent and bright listening experience. The OFC flat cable version retains the original style and elements of the sound, maintaining a balanced and neutral presentation, providing a rich and smooth listening experience.
Multi-Functional In-Line Control
The multi-functional in-line control simplifies operation with one-touch functionality for play/pause, skip track, and more. It also features a built-in microphone for clear audio pickup, enabling crisp and clear near-field voice commands and phone calls as if talking face-to-face.
Simple, Practical, and Environment-Friendly Packaging
We believe that products do not need to be packaged in luxury, as the actual performance of products cannot be presented in packaging. We advocate environmental protection but will not make high profits in the name of environmentalism. This has been one of the beliefs of KZ since its founding.
AUDIOCULAR SPARK Hi-Res Portable DAC Dongle (CX31993 + MAX Amp)
Experience Studio-Grade Audio Anywhere
The AUDIOCULAR SPARK is a premium Type-C to 3.5mm portable DAC dongle, built to transform your everyday listening into a high-fidelity experience. Powered by the flagship CX31993 DAC chip and MAX97220 amplifier, the SPARK delivers studio-quality audio with exceptional clarity, rich bass, and crisp detail—making it the ideal upgrade for audiophiles, music lovers, and gamers on the go.
Key Features
🎧 Flagship DAC + Amplifier Combo
Featuring the powerful CX31993 DAC and MAX97220 amp, SPARK offers expansive sound with dynamic lows, smooth mids, and ultra-clear highs—free from distortion or harshness.
🔊 Hi-Res Audio Support (32bit/384kHz)
Enjoy PCM 32bit/384kHz and ADC 24bit/96kHz audio decoding. With an SNR >124dB and THD+N as low as 0.000003, your audio stays pure, detailed, and immersive.
💪 High Power Output
SPARK delivers up to 63mW at 32Ω, ideal for driving IEMs and headphones between 16–32Ω. Whether you're on mobile or desktop, hear your music fully come alive.
🎵 Immersive Soundstage & Isolation
Perfect for gaming or movies, SPARK creates a wide and accurate soundstage, restoring subtle background effects while reducing external noise distractions.
🔗 Seamless Type-C to 3.5mm Compatibility
Easily connect your favorite wired headphones to smartphones, tablets, or notebooks with USB-C ports—no compromises on sound quality.
🧳 Ultra-Portable and Travel-Ready
Its compact, lightweight design fits easily in your pocket or case—ideal for commuting, working, or relaxing on the go.
🛠️ Durable & Audiophile-Grade Build
Built with 8-strand silver-plated copper wire and a gold-plated 3.5mm jack, the SPARK ensures optimal conductivity, durability, and long-term performance.
🔌 Universal Device Support
Works flawlessly with most Android phones, laptops, and tablets with Type-C ports—no driver required for plug-and-play convenience.
Specifications
-
Model: AUDIOCULAR SPARK
-
DAC Chip: CX31993
-
Amp Chip: MAX97220
-
Decoding Support: PCM 32bit/384kHz, ADC 24bit/96kHz
-
Power Output: 63mW @ 32Ω
-
Signal-to-Noise Ratio (SNR): >124dB
-
Dynamic Range (DNR): >120dB
-
THD+N: 0.000003
-
Compatibility: 16–32Ω headphones
-
Connector: USB Type-C to 3.5mm
Why Choose AUDIOCULAR SPARK?
If you're looking for a hi-res DAC dongle under budget that doesn’t compromise on build quality, sound fidelity, or power output, the AUDIOCULAR SPARK is your ideal pick. It’s a true plug-and-play solution that elevates your everyday audio into a rich and immersive sonic journey.
✅ Ideal For
-
Audiophiles & Music Enthusiasts
-
On-the-go Hi-Fi Listening
-
Mobile Gamers
-
Commuters & Remote Workers
You May Also Like
Recently Viewed
OUR HONEST REVIEWS FROM THE CO-FOUNDERS & AUDIOPHILES
View all
TRUSTED BY OVER 60K+ MUSIC ENTHUSIASTS
Let customers speak for us
Good for:
>Vocal dominated tracks (general bollywood songs)
>Indian classical in vocal. string and wind instruments, acoustic guitars.
> Western classical focused on Piano, violin and cellos (e.g. Ludovico Einaudi, Lang Lang)
Need a little twigs in eq:
> Female vocal may need 2-3 db boost in at around 2k region.
> Old tracks designed for tapes and cassettes generally has treble boosted in default. Hence a 1-2 db pull down in 8k &16k band makes it more enjoyable (e.g track - Nahi samne from movie Taal)
Not good for:
> Heavy rock and metals that demands more throbbing base.
> Heavy electric guitars mainly power chords & overdrive base guitars sounds muddy.
> Lacks wide sound stage required for large and dynamic orchestral pieces. Like cornfield chase by Hans zimmer, Nostalgia by Yanni
> Hip-hop and Electronic tracks lacks the attacks and punchiness
VERDICT:
> Deep and tight base, buttery soft mids and well defined and perfectly rolled out treble that doesn't heart your ears after a while.
>Go for it if you are a bollywood song lover. You can't get anything better, at least at this price brakets.
> Shines well with Sigma-delta dacs but feels bit too warm for r2r Dacs. Although some people can prefer that. But do not use it with a very powerful amp. Personally I felt opamp like MAX97220 is more than enough.
> Base is deep and tight. So do not buy this if you want thumpy base.
> Not a flat responding iem. So do not consider it if you want an analytical piece. > Choose it if you are looking for long listening sessions with deep imotional attachment rather than analytical detailing.
I've been using this IEM for a couple of days now, and compared to the Moondrop CHU II, the treble feels noticeably improved.
Majestic sounding IEMs worth every penny
Good
best dac ever used the sound is incredibly good amazing the black colour is currently on top
Love it! My swimming sessions have become much more enjoyable and consistent. I also love listening to audiobooks and retro songs on these when not in water! Good product for a healthy lifestyle
KZ Duonic ka sound sach me bhut acha hai aur iski overall quality kamal ki hai. planar driver hone ki wajah se clarity next level milti hai. Bass tight hai aur instrument separation bhi bohot clear hai. Isme music suno bohot acha experience hota hai . Highly recommended if you love high-resolution audio!
It just works amazing with all of my audio products
These my first iems using it from last 2 months very nice very balanced sound
A beautiful pair of iems at this price range. Balanced sound, but engaging listening. Also good for monitoring.
Really good DAC and perfect for apple devices as it does not reduce the volume like few other DACs..and very good delivery experience from TAS..👍🏻
One of the best iem in terms of balanced sound with slight new meta tuning. Vocals come clean with controlled bass. (Maybe sub bass could be a bit more but it's okay). Music separation is top notch in its class. Detail retrieval is also class leading. This is the point of diminishing returns. For many this could be the end game iem for sure.
Various reviews on the net created a lot of desire and interest to possess this iem.
Hitherto iv been buying audio gear from some other website who did not have this iem in stock.
Thought of buying from Audiostore.
I spoke to Mr Pritam and finalised the deal. Personal interactions do add up to the textual.content you gather from the net. Delivery was exactly as promised.
My first impression of the iem is Spectacular sound reproduction!!!
Songs thatIheardliterallyfelt like being played in front of me.
Bass sufficiently good enough for every listener except bassheads. Of course bassheads would lose considerable amount of ther sonic capabilities.
Soundstage wide and imaging is excellent. Inspite of good bass every instrument is distinctly clear and precise.
Only request for Audiostore is to include other leading brands like Fatfreq, Fiio, Ibasso etc.
My honest review these are best and luxury looking IEMS and I love them and they fit in my ear perfectly for me and I love them
This IEM sound really good for everyday listening. The Bass has a nice punch,Vocals come through clear and the overall sound feels balanced and enjoyable.They’re comfortable to wear for long periods and block out a decent amount of outside noise.Easy to carry around as it’s comes with a pouch and Great for Music,Videos.Definitely worth it for the price, and specifically thanks for audiostore team.❤️❤️.
