FangSound NEREUS Mini

High-Resolution Portable DAC & Amplifier

$163.00 USD
SoundES9039Q2M DACHyperStream IV architecture
Sound32Bit/768kHzPCM decoding
Sound515mW BalancedBalanced output power
Shell25.5g Ultra-LightFull CNC aluminum chassis
Preorder periodPre-order
  • 2-3 days.

Shipping time estimate. Pre-order items are non-cancellable and non-refundable.

Pre-order details

Overview

The details behind FangSound NEREUS Mini.

Designed for Natural Musicality

Inspired by Nereus, the ancient Greek sea god symbolizing calmness and purity, FangSound NEREUS Mini is created with the philosophy of bringing listeners closer to the essence of music. Instead of focusing only on technical specifications, NEREUS Mini aims to deliver a natural, smooth, and immersive listening experience where the equipment fades away and the music takes center stage.

ESS ES9039Q2M Flagship DAC Architecture

NEREUS Mini is equipped with the high-performance ESS ES9039Q2M DAC chip featuring HyperStream IV architecture. With a dynamic range of up to 127dB and ultra-low distortion performance, it delivers a clean and detailed audio foundation with excellent microdynamic expression, allowing subtle textures, spatial depth, and musical layers to be reproduced with remarkable clarity.

FangSound Musical Tuning Philosophy

Beyond pure decoding performance, FangSound has carefully optimized the analog output stage and headphone amplifier circuit through proprietary tuning methods. This refined signal path preserves the resolution and transparency of the ESS platform while adding a warmer, fuller, and more engaging sound character, creating a balanced combination of technical precision and musical emotion.

Compact Power with Precise Control

Despite its ultra-light 25.5g body, NEREUS Mini delivers powerful output capability with up to 515mW balanced output power. The high-performance amplification system provides excellent driving ability and control, allowing headphones and earphones to perform with greater openness, dynamics, and effortless detail retrieval.

Optimized for Modern Streaming Audio

NEREUS Mini transforms smartphones, tablets, and computers into high-fidelity audio sources. Supporting iOS, Android, Windows, and macOS platforms, it provides plug-and-play compatibility with popular music applications and high-resolution playback services, making premium audio quality easily accessible wherever you go.

Precision CNC Aluminum Alloy Construction

The chassis is crafted from a solid block of aluminum alloy using a full CNC machining process. Combined with a mechanical side-lock structure and titanium screws, the design provides excellent rigidity, durability, and long-term reliability. The solid construction also helps create a more stable environment for internal circuits, contributing to cleaner and more consistent sound performance.

Efficient Thermal Management Design

NEREUS Mini features an integrated thermal management structure that works together with the CNC aluminum body to improve heat dissipation. This ensures stable operation during extended listening sessions while maintaining consistent audio performance and long-term reliability.

Built for Long Listening Sessions

NEREUS Mini is tuned for a natural and comfortable listening experience with smooth highs, rich vocals, and balanced layering. Rather than chasing exaggerated sound effects, it focuses on musical expression, allowing listeners to enjoy a relaxed and immersive experience over long periods.

Technical details

Product Name
FangSound NEREUS Mini
Product Type
Portable DAC & Amplifier
DAC Chip
ESS ES9039Q2M
DAC Architecture
HyperStream IV
Supported Format
PCM 32bit / 768kHz
Output Ports
3.5mm Single-Ended / 4.4mm Balanced
Balanced Output Power
515mW
Single-Ended Output Power
125mW
THD+N
0.00016%
Dynamic Range
127dB
Signal-to-Noise Ratio
127dB
Weight
25.5g
Package Weight
123g
Package Dimensions
136.5 × 80.3 × 30.3mm

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Product care
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Customer reviews

What listeners say about sound, fit and everyday use.

Write a review
  • 5 stars: 1 (33%)
  • 4 stars: 0 (0%)
  • 3 stars: 1 (33%)
  • 2 stars: 1 (33%)
  • 1 star: 0 (0%)
R
Raymond v.M. (Rotterdam, NL)
All you can expect from a dongle dac amp

I love this little dongle dac. It's light – and what the hell fellow reviewer – it's not perfect but far from muddy. I would give it 4 and a half a star. But that's not possible so 5 it is. It has half a watt of power witch is plenty. Perfect for on the road

B
Bas V. (Amsterdam, NL)
Very disappointing

I had high hopes, lets start with the good.

Build quality is really good and the form factor and weight is nice.
Looks cool and doesnt get to hot.
But unfortunately the sound is very muddled and not powerful.
I think the 510mw power is a lie, because I need almost twice the volume compared to my iBasso 580mw DACs.
Sound is very dull and note weight is bad.

i would only consider this item for half the current price.

T
Thomas B. (Bonn, DE)
Enttäuschend emotionslos

Die Optik und Verarbeitung ist sehr gut. Aber der Klang ist sehr enttäuschend. Ich benutze den Dongle an meinem iPhone 16 Pro. Egal wieviel Ohm und Sensibilität der IEM hat ich muss die Lautstärke immer um 75% von 100% wählen. Egal ob Hybrid (Ziigaat Horizen, Sound Rhyme SR10, ERAND RESONANCE 5) Oder Single DD oder Planar. ( Hidizs MK12, letshuoer S12 2024)meine anderen Dongle Cayin RU3, Onyx Alpha iX, Akliam PD6 höre ich die gleiche Lautstärke um die 40 (am Dongle eingestellt, Diese Dongle haben alle die ähnliche Leistung ) also mit noch viel Luft nach oben. Alle IEM habe ich mit 4.4 mm Pentacon angeschlossen. Ich bin kein HiFi Techniker aber ich Zweifel an die 515 mW Leistung pro Kanal ich vermute das die.515 mW für beide Kanäle zusammen angegeben werden. Ich kann den Klang nicht so gut wie ein Reviewer beschreiben aber ich Versuch es mal. Er klingt leicht warm mit vielen Details, Bässe Mitten und Höhen sind ausgewogen…….aber die Musik klingt irgendwie ohne Emotion. Steril wäre übertrieben aber kommt dem nahe. Selbst die Lieblingsmusik die ein sonst mitreißt hört man sich teilnahmsloser an. Man hat schneller den Drang auf das nächste Lied zu klicken. Bei EBM Musik fällt das ganze nicht so auf. Für mich persönlich ist der Dongle nur für EBM geeignet dafür ist er aber wiederum zu teuer. Selbst der Tausch des OTG Kabels gegen eins von DDHifi hat nichts gebracht.

Before you listen.

Fit, connections and your order.

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Your order

Which countries do you ship to?

We are generally able to ship to most countries via Express Shipping, and many countries via Standard Shipping. You may clarify this with our team to check whether Standard Shipping is available to your country.

We cannot ship to addresses that are "PO boxes or APO/FPO".

*Note: Generally, we can only do Selected Shipping to India and Russia. We can only do Express Shipping to Africa, Argentina, Hawaii, Kuwait, Mauritius, Montenegro and Sri Lanka, to name a few. 
This may be subjected to changes due to unpredictable issues such as Covid, war, and etc.

How much does shipping cost?

We have two shipping methods - Standard Shipping and Express Shipping.

Standard Shipping is free for most countries, while Express Shipping is 15-35USD depending on your country. If your order is over 270USD, Express Shipping is free*. 

*This applies for most countries. However, large items such as headphones and desktop DAC/AMPs (e.g. HarmonicDyne G200, MUSICIAN MDP-2, and etc.) are excluded.

Shipping fees exclude import taxes or processing fees that may be applicable for your country. Linsoul is not responsible for such fees. Should you refuse to pay the tax/customs fees, shipping fees will still be deducted from the amount paid for thetwo-way freightcharges. The cost of the freight charges may be more than the amount reflected on your order due to tax and other miscellaneous fees.

Some parcels claimed to be “returned to the seller” may be destroyed by the post office or customs officers when buyers refuse to accept their parcels or fail to pay for their taxes.No refundwill be processed for such cases.Standard Shipping via YunExpress is a tax-inclusive option for some countries. However, Linsoul will not be responsible for additional administrative or handling fees charged by your local courier company or customs. Please kindly check this with your local customs.For certain remote areas, there may be additional charges via Express Shipping. We will contact you if there is a need to make additional payments. Please contact us before placing an order, should you have any queries regarding shipping.  

How long does it take to receive the order after it is placed?

For in-stock products, your order will be shipped within 3 working days. You may check with our staff regarding the in-stock status of any products. 

Customized items will take a longer time. Please contact our staff for more information.

On normal non-sale days, once your parcel has been shipped out:

  • For Standard Shipping, it takes about 2-4 weeks for items to be delivered after shipping out. For some countries, it might take up to 2-3 months, depending on your country, its customs and other factors.* The duration for transit is something beyond our control. Linsoul will not be making refunds for such cases. Please consider an upgrade to Express Shipping or keep the waiting time in mind.
  • For Express Shipping, it takes about 3-7 days for items to be delivered after shipping out.

*Note: Timings might be affected due to festive seasons or other unforeseen circumstances

What happens if the parcel has been shipped but not delivered?

First, kindly contact your local courier using the local tracking number. 
If your parcel were to be in transit for at least 3 months, it may have been lost in transit. 
For orders below $50USD, you may either opt for a one-time reshipment of parcel OR a full refund of the amount paid in cash via PayPal/Credit/Debit card. 

For orders above $50USD, we will only process a 50% refund of your order paid in cash via PayPal/Credit/Debit card. Should there be any concern about Standard Shipping, you are encouraged to opt for DHL Express Shipping instead.

Customers are to bear the consequences and fees incurred, if the parcel was undelivered due to any of the following situation:

  • Wrong address or phone number provided by recipient
  • Recipient was uncontactable when courier company contacted
  • Refusal to sign for the package by recipient
  • Lost or damaged parcel because recipient opted for “no-signature delivery”
  • Refusal to pay for the local tax/processing fee by recipient
  • Refusal to provide supporting documents for custom clearance by recipient
Who will pay for the import tax/custom fees

Customers have to bear any form of custom/import/processing fees that are applicable for your parcel.

Should you be unwilling to pay for the fees and reject the delivery of the parcel, you will still have to pay for the shipping cost. Linsoul will only refund the amount of your order after deducting the two-way shipping fees incurred.

What shipping companies do you use?

We collaborate with these courier companies:

  • Standard Shipping: 4PX, UBI, NinjaVan, and Yun Express
  • Express Shipping: DHL Express, FedEx and SF Express
How do I get help for my order?

Cancellation or/and modification of orders can only be done manually via our staff, provided that our Warehouse Team has not processed your order. 
As our Support Team might not be available during non-working days and weekends, please place your order wisely.
Should you really need to cancel or/and modify your order after purchase, please contact us via our support email (Support@Linsoul.com) or website chat. We will help you with the changes if that could be done.

In general, upon receiving your parcel, please confirm the contents of the package and ensure that the package is in good condition before signing for it. All customers are strongly advised to take an unboxing video of their parcel and packaging when opening their parcels and products.

For faulty/missing items, please send an email to support@Linsoul.com for after-sale services. The following details are required. 

  1. Send an email to support@Linsoul.com with an appropriate Subject Title 
  2. Provide your order number and state the issue clearly 
  3. Attach photos and videos to show that your product is faulty/missing. Shipping details on the parcel packaging have to be clearly visible. 



If the photos/videos provided are insufficient to prove the stated issue, we will enquire more. Once the issue has been confirmed, we will arrange for a replacement, partial refund or a full refund (where applicable). For incorrect products, Linsoul reserves all rights in deciding whether you need to return the incorrect item or not. Please kindly contact us via email first. Our team aims to review your email within 3 working days.

For other queries, the fastest way to contact us is via our website or Discord

Linsoul Audio will not be responsible for parcels that have been damaged during the transit process.

Do I get tracking details for my order?

After placing an order, you will receive the order confirmation email. After your order has been shipped out, you will also receive a tracking email. You can track your order via the tracking number online. Should you not have received the emails or face any difficulties tracking your order, please kindly contact us for support.

For more than 1 orders placed under the same account and shipping address, Linsoul will automatically combine the orders and ship them out via one tracking number. Should you have special requests to have the orders shipped separately, please kindly contact us via Discord or our website's chat. We will do our best to help.

How do I cancel my order?

Cancellation or/and modification of orders can only be done manually via our staff, provided that our Warehouse Team has not processed your order. Orders that have been shipped cannot be cancelled and modified.

As our Support Team may not be available during non-working days and weekends, please place your order wisely as support cannot be guaranteed for such requests.

Should you really need to cancel or/and modify your order after purchase, please contact us via our support email (support@Linsoul.com) or website chat. We will help you with the changes if that could be done.

Can I return an opened item?

Request a return within 30 days of delivery while the product is factory-sealed. Contact support for instructions before returning anything.

Full details

Where should I send the product for the return process?

To initiate the return shipment, kindly send an email to support@Linsoul.com within 30 days upon receiving the sealed product(s). The RMA form and details will be provided to you via email.

When must the product be returned after receiving the RMA form and details?

After receiving the return instructions from us via email, kindly arrange the return shipment of the parcel within 5 working days, and update us with the tracking link via email again. Failure to do so will result in a cancellation of the return process.

When will I receive my refund after returning the product?

In most cases, after receiving and inspecting the returned product, your refund will be processed within 5 business days. Refunds may incur a currency exchange loss or transaction fee, depending on your source of payment (e.g. Bank or PayPal). Linsoul will not be responsible for such fees.

What warranty applies?

Most products come with a 1-year warranty; cables and accessories have shorter or separate terms.

Full details

Processing Time

This product is currently in its pre‑order period. Pre‑orders apply to items not yet in stock, and shipping will begin once they arrive. Processing times are estimates only.

Pre-order Period:

  • 2-3 days.

Note:

  • No cancellation of orders once ordered.
  • All orders to be shipped out sequentially.

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FangSound NEREUS Mini Pre-order: shipping time is an estimate. Non-cancellable and non-refundable.
$163.00 USD