✨ All-in-One HiFi Solution
DAC + Headphone Amp + Preamp
🎧 High Power Output
4.4mm Balanced: 2570mW×2 @32Ω
6.35mm Single-Ended: 640mW×2 @32Ω
🎼 Premium Audio Chipset
AKM4493SEQ DAC + XMOS XU316 + 4×OPA1612
🎵 Ultra-High Resolution
PCM 32bit/768kHz | DSD512
🔌 Multiple Inputs & Outputs
USB / Coaxial / Optical / RCA
Outputs: 4.4mm / 6.35mm / RCA / XLR
🎚 3-Level Gain Control
For IEMs & Headphones (16Ω – 300Ω)
🎛 Customizable Sound
Bass & Treble EQ + 6 Filters + Op-Amp Swappable
🖥 OLED Display Interface
Clean and intuitive Z-Series design
🎮 Gaming Friendly
UAC1.0 / 2.0 Console Compatible
🔇 Ultra-Low Noise Performance
Noise Floor: as low as 1.9μV
💡 Smart Functions
Auto power-off after 30 mins
The Fosi Audio ZH3 redefines what an all-in-one desktop DAC and amplifier can do. Combining a premium AKM4493SEQ DAC, XMOS XU316 processor, and four OPA1612 op-amps, this compact powerhouse delivers exceptional clarity, ultra-low noise, and studio-grade precision — all in a refined, minimalist chassis.
Perfect for audiophiles, gamers, and music professionals, the ZH3 functions as a DAC, headphone amplifier, and preamp, supporting both headphones and active speakers for a truly versatile HiFi setup.
Built around audiophile-grade components, the ZH3 supports PCM up to 768kHz/32bit and native DSD512 playback.
Fosi Audio’s proprietary dual-power balanced amp circuit and multiple ultra-low-noise LDO regulators ensure a background noise floor as low as 1.9μV, maintaining clean, transparent sound with every note.
Whether you use sensitive IEMs or demanding over-ear headphones, the ZH3 has you covered.
It features both 4.4mm balanced (2570mW@32Ω x2) and 6.35mm single-ended (640mW@32Ω x2) outputs with a 3-level gain switch, supporting headphones from 16Ω to 300Ω.
The result: effortless power, precision, and dynamic headroom for every listening scenario.
The ZH3 adapts easily to any desktop setup. With coaxial, optical, USB, and RCA inputs, plus 4.4mm, 6.35mm, RCA, and XLR outputs, it seamlessly integrates into your audio chain.
It supports UAC 1.0/2.0 mode switching, making it compatible with PCs, Macs, and gaming consoles — ideal for both HiFi listening and immersive gaming.
Customize your sound effortlessly with bass and treble EQ adjustments, six digital filters, and two swappable op-amps for sonic tailoring.
All functions are accessible through an intuitive display interface, ensuring a clean, premium aesthetic that perfectly complements other components from the Fosi Z-Series.
The ZH3 continues Fosi Audio’s elegant Z-Series design language, pairing beautifully with the ZD3 and ZA3.
Energy-saving features like auto power-off after 30 minutes of inactivity offer both convenience and eco-efficiency.
Fosi Audio ZH3 x1
6.35mm Adapter x1
12V Trigger Cable x1
IR Remote x1
USB-A/C to USB-C Cable x1
DC 12V Power Adapter x1
User Manual x1
Chipset: XMOS XU316 + AKM4493SEQ + 4×OPA1612
Input: Coaxial, Optical, USB, RCA
Output: 4.4mm Balanced, 6.35mm SE, RCA, XLR
Headphone Impedance: 16Ω–300Ω
Max Sampling Rate:
USB: PCM 32bit/768kHz, DSD512
Optical: PCM 24bit/192kHz
Coaxial: PCM 24bit/192kHz
Power Input: DC 12V
4.4mm Balanced Output:
Max Power: 2570mW×2 (32Ω, THD+N < 1%)
SNR: ≥119dB | Dynamic Range: ≥119dB | THD: ≤0.00018% | Noise Floor: ≤4.9μV
6.35mm Single-Ended Output:
Max Power: 640mW×2 (32Ω, THD+N < 1%)
SNR: ≥121dB | Dynamic Range: ≥121dB | THD: ≤0.00024% | Noise Floor: ≤1.9μV
Premium AKM DAC & XMOS decoding for audiophile-grade sound
Balanced & single-ended outputs for all headphone types
Customizable EQ and filter options for personalized tuning
Multi-input support for HiFi, PC, and gaming
Compact, refined design with smart power management
🔹 Core Chipset:
XMOS XU316 + AKM4493SEQ + 4×OPA1612
🔹 Functions:
DAC / Headphone Amplifier / Preamp
🔹 Supported Formats:
PCM 32bit/768kHz, DSD512
🔹 Inputs:
USB, Optical, Coaxial, RCA
🔹 Outputs:
4.4mm Balanced, 6.35mm SE, RCA, XLR
🔹 Headphone Impedance:
16Ω – 300Ω
🔹 Power Input:
DC 12V
🎧 4.4mm Balanced Output
• Max Power: 2570mW×2 (32Ω, THD+N <1%)
• SNR: ≥119dB | Dynamic Range: ≥119dB
• THD: ≤0.00018% | Noise Floor: ≤4.9μV
🎧 6.35mm Single-Ended Output
• Max Power: 640mW×2 (32Ω, THD+N <1%)
• SNR: ≥121dB | Dynamic Range: ≥121dB
• THD: ≤0.00024% | Noise Floor: ≤1.9μV
⚙️ Features:
• Fully balanced dual-power circuit
• 3-level gain switch
• Bass/Treble EQ controls
• 6 digital filters + Bypass
• Swappable op-amps
• UAC 1.0/2.0 for gaming compatibility
• Auto power-off after 30 mins idle
📦 Box Contents:
• Fosi Audio ZH3
• 6.35mm Adapter
• 12V Trigger Cable
• IR Remote
• USB-A/C to USB-C Cable
• DC 12V Power Adapter
• User Manual
Warranty Period: 1 Year from the date of Invoice
Covered: Manufacturing Defects Only
Warranty Form: https://www.theaudiostore.in/pages/warranty-claim-form
Cable: 1-month warranty only for manufacturing defects only
Fosi Audio is a dynamic brand dedicated to providing the most comprehensive range of Hi-Fi audio products in the market. We cater to passionate audiophiles by offering Hi-Fi products, DIY kits, and expert guidance, ensuring an immersive audio experience. Beyond a mere transaction, we foster enduring relationships with our clients, supporting them throughout their audio journey.
Our diverse product lineup includes the Hi-Fi power amplifier, pre-amplifier, headphone amplifier, DAC, music player, Bluetooth receiver, DIY board, DIY chassis, and an array of DIY kits. These meticulously crafted offerings embody our commitment to exceptional sound quality and innovation.
Established in China in 2017, Fosi Audio was founded by a team of devoted audiophiles. Our products have gained significant popularity within the Chinese DIY audio community, amassing a large and dedicated following. To expand our reach beyond borders, we launched this website in 2017 and began offering a selection of products on Amazon under the name "Fosi audio." However, please note that many of our outstanding products are not yet available on this website or Amazon. If you cannot find what you're looking for, simply reach out to us via email, and we will be delighted to assist you in finding the perfect product to meet your needs.
At Fosi Audio, we are not just a brand; we are your partner in achieving audio excellence. Join us on this immersive sonic journey and experience the true essence of Hi-Fi audio.
I purchased these during christmas- and my initial impressions were that these were packaged well, and felt very premium in hand, except for the cable.
The bazz is very lacking, and the iems are unusable without tuning. After tuning these sound full, and have beautiful clarity. Definitely recommend if you can tune them. Also very good for video editors and others who need stock audio
It sounds wonderful 👍
I am very satisfied with my purchase and currently enjoying hi-res audio with my iem. Best looking and build quality is also good under 1K
This is my first IEM. I like the way it sounds. Though I expected much better soundstage but it is good. After using this, I will definitely buy my second IEM. Trust The Audio Store, they delivered as expected. Actually someone suggested me on reddit to go with audio store and I will definitely recommend others the same.
Just got some time with these and here's my honest take:
Comfort: These things are stupid comfortable. Lightweight shells that disappear in your ears, zero fatigue even after long sessions. Stock tips are meh though—nothing special, you'll probably want to tip-roll.
Sound:
- Vocals are pushed forward and warm with less sparkle/energy up top. Great for that intimate, smooth vocal presentation but not if you want bright, analytical vocals
- Bass is elevated and textured but definitely not basshead levels. Hip-hop/EDM heads will find it lacking
- Treble rolls off early = excellent sibilance control. Zero harshness or fatigue, perfect if you're treble-sensitive
Who's this for? Warm vocal lovers and anyone tired of harsh, sibilant treble. Long listening session champs.
Who should skip? Bassheads, treble sparkle chasers, people wanting analytical/reference sound.
For the price, these carve out a nice niche—they're not trying to do everything, just warm and smooth really well. Worth it if that's your vibe.
Very Crystal Clear Sound And balanced Bass as human ear appreciates (Harman Tuned). For me my expectations matched. Now it's time to see how longer time it's sustain .
After using 4–5 budget to mid-range IEMs, the Simgot EW300 feels like a refined upgrade after one month of use. The sound is well-balanced with clean mids, smooth treble, and controlled bass, No fatigue after long use. Clarity and instrument separation are noticeably better than my other IEMs. Thanks to the TAS and Pritam for auditioning multiple IEMS and helping me choose the this IEMs.
This is an all rounder headphones. Sub bass is extended which can be easily EQ d. Treble is decent.The mids are a bliss. A note for AUDIO STORE: PLEASE DON'T CHEAP OUT ON THE DELIVERY. The headphones were sent by road claiming to be more than 2 kg. It was just 845 gm. Also if bluedart is not working out please get another delivery partner. Imagine a 30k headphones bumping around for a 1000km. The headphones wires came attached which is not correct. Despite all this thank God there was no damage to the headphones.
If you have a budget of Rs 4000 and looking to buy an IEM which can do it all, look no further than Kefine Klean. With two tuning nozzles, one warm and other bright, you are sorted for multiple musical genres.
GREAT Product under 2000,must buy
to be concise this is probably the best iem under 35k,
Pros:
- Sub bass and mid bass clarity, quality and volume is amongst the best, this is not a basshead iem but will definitely please a basshead.
- Mids are not recessed and are as accurate as they can be, however are not vocal forward per se but are slightly elevated compared to "v" shape iems, giving this iem a mild "W" shape signature.
-treble is good but for me was very much dependent on the tips I used, when using with sancai wide bores trebles were nice and clear, bright, might be too energetic for some, however with regular tips was perfectly tame and not sibilant to a point of discomfort and had decent air.
So use wide bores if you want to open up the iems, get a little better imaging and seperation but might make the highs a little too energetic, and with regular tips you get more boomy bass but might lose a little of the stage width but is better for treble sensitive folks.
Cons
Condensation issue might be there on rainy days, the wing style fit may not work for all, the iems are medium size and can fit many ear sizes especially with smaller tips but if you don't do well with wings or have atypical ears it may not be for you.
is reminiscent of new meta style tuning, so if you have iems with similar tuning this may be redundant.
Overall:
9/10 literally doesn't get much better than this whether you're putting in 5k more of 1 lakh more, this is the point of diminishing returns, atleast in my opinion, and from this price point on its mostly accesories or timings which actually make a difference.
fit and comfort was amazing for me, i have normal ears, with smaller canals, fits very well for me with small tips, but might have a few pressure spots depending on the ear.
build quality is very good with a nice metal shell.
The cable is very good and premium, accessories are good, and has a premium feel and looks beautiful with good presentation, over-all worth for the money, atleast for me lol.
however you may want to wait for more reviews on the hype 4 mark 2 and the new tea pro SE, and if you're a basshead the martillo is going to be potential endgame.
Very smooth, once you find the appropriate size it will work wonders.
Got the KZ Castor Pro (Harman Target + improved bass) and I’m honestly happy with it right now.
Bass hits nicely and feels punchy without covering up vocals.
Songs sound clean and balanced, and details come through pretty well.
Comfort is good for longer listening too.
Overall, feels totally worth the money.
* might update Review later If my views and experience changes
It's hard cast to secure your IEM and soft on inside to don't scratch the IEM & good space on in side
One year review: incredible audio quality, strong bass, clean highs, and no wear or tear. These IEMs are truly reliable
Brand Warranty
100% Original products with brand warranty
7 Days Replacement
On all orders*
Fast & Free Shipping
Ships in 24 Hours*
Secure Payments
Visa, Mastercard, EMI, Net Banking, UPI, BHIM, Wallet's
I purchased these during christmas- and my initial impressions were that these were packaged well, and felt very premium in hand, except for the cable.
The bazz is very lacking, and the iems are unusable without tuning. After tuning these sound full, and have beautiful clarity. Definitely recommend if you can tune them. Also very good for video editors and others who need stock audio
Best one in this budget
Great service , from payment till delivery everything went smoothly . Delivery came 2 days early , so very happy
It sounds wonderful 👍
Really happy with the Bunny so far. The compact shell and lightweight design make it very comfortable, and it sits securely in my ears even for long sessions. The sound signature is exactly what I like clean, slightly warm, with punchy but controlled bass, clear mids and non-fatiguing treble that works well across different genres.
The new Sony Walkmans are just as good in quality as the older ones, but now they are more refined with more features. Build quality of the NW-A306 is great with a metal back. The 3.5mm jack provides excellent sound, and I'd recommend using a premium wired headphone or IEM to get the most of this DAP. The software based customisations and modes are great too, I especially like the vinyl simulator.
It has support for a very diverse range of music file formats, and includes one MP3, DSD and FLAC sample in the internal storage to give the user a taste of it's capabilities and all 3 sound fantastic.
I am very impressed with the product.
Also, I'd like to mention that the packing made by Audio Store was very well done, and the package was delivered on time.
The Audiocular Spark CX31993 + MAX Amp delivers a clear and noticeable upgrade over phone audio. Sound is louder, cleaner and more detailed with better bass control and separation.
It drives IEMs easily, works flawlessly with Android, and stays cool during long listening sessions. Build quality is solid for such a compact device.
For the price, this DAC offers outstanding performance and is a must-have upgrade for serious music listeners.
I am very satisfied with my purchase and currently enjoying hi-res audio with my iem. Best looking and build quality is also good under 1K
Great Dac
Excellent sound quality








