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popularvid1900 posted Apr 26, 2026 06:24 PM
popularvid1900 posted Apr 26, 2026 06:24 PM

FOSI S3 Balanced Streamer + 4ft Audiophile Cable $251.98 at Fosi Audio via Amazon

$252

$280

10% off
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The new FOSI S3 streamer has BALANCED outputs, support for ROON, Tidal, Qobuz, Airplay....

Tested excellent on Audio Science Review.

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S3 Music Streamer with AK4493SEQ DAC: S3 features the AK4493SEQ DAC chip for high-quality audio decoding. Supports Wi-Fi streaming, Bluetooth 5.3, and HDMI eARC for versatile connectivity to TVs and digital sources.

Includes 3.9Ft Gold-Plated 2RCA Cable: The bundle comes with a 3.9-foot 2RCA male to 2RCA male stereo audio cable. Gold-plated connectors ensure reliable signal transfer and corrosion resistance.

Ready to Connect Out of the Box: Use the included RCA cable to connect S3 directly to your amplifier, preamplifier, or active speakers. No need to purchase additional cables separately.

Multiple Input Options for Various Sources: S3 accepts Wi-Fi, AirPlay 2, Bluetooth 5.3, HDMI eARC, optical, coaxial, and USB inputs. Stream from Tidal, Spotify, or connect to TV, computer, and game consoles.

Complete Starter Package for Desktop Audio: This bundle gives you both the S3 streamer and the essential RCA cable in one package. Everything you need to begin your desktop Hi-Fi setup is included.

https://www.amazon.com/Fosi-Audio...B0GSZQ7N69
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Community Notes
About the Poster
The new FOSI S3 streamer has BALANCED outputs, support for ROON, Tidal, Qobuz, Airplay....

Tested excellent on Audio Science Review.

-

S3 Music Streamer with AK4493SEQ DAC: S3 features the AK4493SEQ DAC chip for high-quality audio decoding. Supports Wi-Fi streaming, Bluetooth 5.3, and HDMI eARC for versatile connectivity to TVs and digital sources.

Includes 3.9Ft Gold-Plated 2RCA Cable: The bundle comes with a 3.9-foot 2RCA male to 2RCA male stereo audio cable. Gold-plated connectors ensure reliable signal transfer and corrosion resistance.

Ready to Connect Out of the Box: Use the included RCA cable to connect S3 directly to your amplifier, preamplifier, or active speakers. No need to purchase additional cables separately.

Multiple Input Options for Various Sources: S3 accepts Wi-Fi, AirPlay 2, Bluetooth 5.3, HDMI eARC, optical, coaxial, and USB inputs. Stream from Tidal, Spotify, or connect to TV, computer, and game consoles.

Complete Starter Package for Desktop Audio: This bundle gives you both the S3 streamer and the essential RCA cable in one package. Everything you need to begin your desktop Hi-Fi setup is included.

https://www.amazon.com/Fosi-Audio...B0GSZQ7N69

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11 Comments

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Original Poster
Pro
Apr 26, 2026 06:28 PM
2,861 Posts
Joined Sep 2016
vid1900
Original Poster
Pro
Apr 26, 2026 06:28 PM
2,861 Posts
https://www.audiosciencereview.co...iew.70970/

Posted some great benchmarks, surpassing many of the Wiim products.

Fosi is just waiting for Roon to officially certify the device
1
2
Original Poster
Pro
Apr 26, 2026 11:12 PM
2,861 Posts
Joined Sep 2016
vid1900
Original Poster
Pro
Apr 26, 2026 11:12 PM
2,861 Posts
Streamers will play all your ripped CDs, mp3s, Tidal, Spotify or whatever, at maximum resolution, without being interrupted if your phone rings (great for when you have guests over, or need the bluetooth on your phone to run the BBQ or sous vede )


Balanced Connectors are immune to 'ground loop' hum


The DAC chips are better than those in your phone, receiver or CD player


Prevents guests from hijacking your bluetooth and playing Kid Rock.
1
1
Apr 27, 2026 02:59 AM
211 Posts
Joined Oct 2020
TibetanGuruApr 27, 2026 02:59 AM
211 Posts
Guess I am getting old...

"The new FOSI S3 streamer has BALANCED outputs, support for ROON, Tidal, Qobuz, Airplay..."

In my vernacular, FOSI is a Russian warez group, and Airplay is a wifi hacking prorocol...

The rest are nonsensical...

Dang!
1
Apr 27, 2026 01:19 PM
238 Posts
Joined Jun 2008
IamcuriasApr 27, 2026 01:19 PM
238 Posts
This runs off WiFi. Why would you use Bluetooth?
Apr 27, 2026 01:59 PM
137 Posts
Joined Aug 2023
NavyRoad386Apr 27, 2026 01:59 PM
137 Posts
Quote from Iamcurias :
This runs off WiFi. Why would you use Bluetooth?
As an example, I used to connect my TV to my stereo, it casts Bluetooth and not WIFI
Apr 28, 2026 02:49 AM
2,572 Posts
Joined Apr 2013
sqa4lifeApr 28, 2026 02:49 AM
2,572 Posts
WiiM ultra is much better
1
Apr 28, 2026 04:42 PM
965 Posts
Joined Nov 2022
CleverCreature256Apr 28, 2026 04:42 PM
965 Posts
"Balanced" yet uses RCA connectors/cables which almost always are single ended or ground referenced.

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May 01, 2026 07:12 PM
618 Posts
Joined Jul 2013
musajiMay 01, 2026 07:12 PM
618 Posts
I am almost ready to pull the trigger on this. Looking for a good preamp that has balance out that will be hooked up to my emotiva xpa 2 amp. Streaming and the Akm makes it a fantastic solution. Any concerns from anyone on the use of this particular device as opposed to some other options out there?
May 02, 2026 12:25 PM
3,242 Posts
Joined Dec 2003
Slee_StackMay 02, 2026 12:25 PM
3,242 Posts
Seems a neat device, but I already have half a dozen Chromecast Audio devices that perform the main function of this.
I may like it for a dedicated stereo listening setup with the ZA3 amp...but I'd be bothered by the mismatched silver/black stack.
Pro
May 02, 2026 02:27 PM
962 Posts
Joined Sep 2018
Zorba1446
Pro
May 02, 2026 02:27 PM
962 Posts
Strangely, Fosi does not appear to offer a user manual so I could not verify if it has bass management or not. https://fosiaudio.com/products/s3...i-streamer

If it does not have bass management, hard pass. The only clear advantage I can see about this product over the Wiim Ultra is the XLR outputs, which are handy IF you are using powered speakers with XLR inputs such as the JBL 305/306/308p.
Original Poster
Pro
May 03, 2026 01:42 AM
2,861 Posts
Joined Sep 2016
vid1900
Original Poster
Pro
May 03, 2026 01:42 AM
2,861 Posts
Quote from Zorba1446 :
Strangely, Fosi does not appear to offer a user manual so I could not verify if it has bass management or not. https://fosiaudio.com/products/s3...i-streamer

If it does not have bass management, hard pass. The only clear advantage I can see about this product over the Wiim Ultra is the XLR outputs, which are handy IF you are using powered speakers with XLR inputs such as the JBL 305/306/308p.
According to Fosi, the manual is almost done.

Full bass management is coming in the next software update; so don't order until it's been deployed if your sub does not offer the controls you require.
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