Fosi Audio DS1 DSD512 HiFi USB C DAC ES9038Q2M Mini Audio Headphone Amp Adapter Supports 32bit/768kHz with 4.4MM and 3.5MM Dual Headphones Outputs : �鶹��.ca: Electronics

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Fosi Audio DS1 DSD512 HiFi USB C DAC ES9038Q2M Mini Audio Headphone Amp Adapter Supports 32bit/768kHz with 4.4MM and 3.5MM Dual Headphones Outputs

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347 ratings

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The DS1 is a powerful yet portable 32-bit USB DAC and headphone amplifier that drives premium quality, high resolution audio to your headphones from your phone, tablet or computer. The perfect upgrade for enhancing your hi-res streaming experience at home or on the go.
DS1 adopts ESS Technology ES9038Q2M DAC Chips delivers 32-bit precision, high dynamic range and ultra low distortion.High-performance amplifier that easily drives headphones with impedances of 12 ohms or higher.
Low Noise Floor Clean Sound for True High-Fidelity. DS1 features abundant power with a high signal-to-noise ratio, low distortion, and almost 0 noise.
Only 3 steps to connect and no batteries or charging required, your new USB DAC is ready to go right out of the box. DS1 simply draws its meager power requirement via a double regulated USB-C connection. Simply plug into your phone, tablet or computer using the included cables and let DS1 expose you to the missing resolution in your favorite music.
What You Get: DS1 USB DAC Headphone Amp x1, Type-C to Type-C cable x1, USB-A to USB-C Converter x1, user manual x1, our worry-free 24-month warranty, and friendly customer service.

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This item: Fosi Audio DS1 DSD512 HiFi USB C DAC ES9038Q2M Mini Audio Headphone Amp Adapter Supports 32bit/768kHz with 4.4MM and 3.5MM Dual Headphones Outputs

$99.99

Get it by Monday, Jun 16

In Stock

Sold by Fosi Audio and ships from �鶹�� Fulfillment.

USB C DAC OTG Cable 0.5ft/15cm for iPhone/iPad/iPod Oxygen-free Copper Core, iOS15 to Type C Male Adaptor for Amplifier, Fiio BTR 5 Q3S BTR3K, qudelix 5k, xd-05 Plus, HIDIZS S9 PRO, Shanling UA2 13Pro

$31.99

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Technical Details

Brand	‎Fosi Audio
Manufacturer	‎Fosi Audio
Model	‎DS1-US
Model Name	‎Fosi Audio DS1
Part Number	‎DS1
Tuner Technology	‎DAB
Special features	‎Portable
Amplifier Type	‎DAC Headphone Amplifier
Mounting Hardware	‎Quick Start Guide
Number of Items	‎1
Speaker surround sound channel configuration	‎2
Output Wattage	‎0.22 Watts
Batteries included	‎No
Batteries Required	‎No
Signal-to-noise ratio (dB)	‎120 dB
Connector Type	‎USB
Material Type	‎Metal
Mounting type	‎Freestanding,Plug Mount
Includes rechargable battery	‎No
Includes Remote	‎No
Manufacturer	‎Fosi Audio
Language	‎English
Item model number	‎DS1-US
Product Dimensions	‎5.08 x 2.54 x 2.54 cm; 36.29 g
ASIN	‎B0B5ZR9GFJ

Additional Information

Date First Available	July 17 2022
Customer Reviews	347 ratings 4.3 out of 5 stars

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Safety and product resources

Safety documents

Instructions for use (IFU) (PDF)|User Manual (PDF)

From the brand

Amplifying Your Voice, Shaping Our Innovation

Guided by our mission of "Redefining HiFi with Unmatched Value", Fosi Audio continues to fuel its passion for the Hifi industry, ramp up R&D efforts, and co-create new HiFi equipment with users. We pledge to bring more amazing Hifi gear with high value for the price, innovative design, cutting-edge technology, and premium quality, to audiophiles worldwide.
Headphone Amplifier DAC
Headphone Amplifier DAC

Product Description

Balanced, Warm, and Natural Sound

Fosi Audio DS1 DAC Headphone Amplifier

In addition to being balanced and warm, the timbre is able to bring peace to the listener. It has a rather daring sound texture and feels comfortable. Your ears will enjoy pure music with natural timbre, rich low frequency, transparent medium frequency, and high frequency.

for Smartphones/Laptop/PC/Music Players

Fosi Audio DS1 DSD512 HiFI DAC Headphone Amplifier

Frequency response: 20Hz-20kHz (±0.5dB)
THD+N: SE: 0.0006%(32Ω); BAL: 0.001%(32Ω); S/N: ≥120 dB
Recommended headphone impedance: 16-300Ω(SE); 16-300Ω(BAL)
Dual headphone outputs: 3.5mm single-ended and 4.4mm balanced headphone jack;

The DS1 DAC headphone amplifier builds in an oscillator to get a stable signal and good quality audio sound.

Satisfy the Most Demanding Audio Enthusiasts

Delivers a DNR of up to 128dB and THD+N of -120dB.
Open your music door.

Supports PCM 32bit 768kHz and DSD512

With the DS1, you can play back a variety of audio formats on a variety of digital audio sources.

Indicator of Sample Rate

You can see the sampling rate and hear the difference in sound quality.
Volume Breakdown for Level 60

It can show every detail and feel the charm of music with 60-level volume segmentation.
An Energy-efficient Design

It doesn't have to worry about power for a long time, extending its use.
UAC 1.0 Mode

You can play games on mainstream game consoles such as PS5, Switch, and PS4 Pro with this device.

Reduces body resistance

Integral Zinc Alloy Housing

Effectively insulates external electromagnetic interference, achieving better sound quality.
With Low Phase Noise and Low Jitter

Provide a more accurate timing signal for audio decoding.
Gold Plating on the Mainboard Contact

Gold-plating treatment is used to reduce contact resistance and obtain clearer sound quality.

DAC headphone amplifier DS1 comparison table

	DS1	Q4	PH04	K5 Pro
Customer Reviews	347	2,934	543	1,011
Type	USB DAC+Headphone Amp	DAC+Headphone Amp	Headphone Amp	DAC+Headphone Amp
MAX Power Output	120mW(SE); 220mW(BAL)	-	40mW@100 Ohm	-
Input	Type C+ USB A	PC-USB + Optical + Coaxial	3.5mm AUX	USB-C+OPT+COA+Microphone
Output	3.5mm + 4.4mm Headphone	RCA + 3.5mm Headphone	3.5mm Headphone	RCA + 3.5mm Headphone
Treble & Bass Control	✘	✔	✘	✔
THD	≤ 0.0006%(SE) ≤ 0.001%(BAL)	≤0.01%	-	<0.003%
SNR	≥120��	≥105��	-	>110dB
Terminating Impedance	16-300 Ohm	16-200 Ohm	15-150 Ohm	16-300 Ohm
Power Adapter	-	-	12V/1.5A	-
Work Voltage	-	DC 5V	DC 12V	USB-C/DC5V

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Customer reviews

347 global ratings

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Customers say

Customers like the audio quality and build quality of the receiver or amplifier. They mention the volume is significantly higher compared to the onboard desktop sound card when used with the product. However, some customers have reported that it becomes hot after a short period of use and is too hot to keep in their pockets.

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Audio quality Build quality Heat

8 customers mention "Audio quality"8 positive0 negative

Customers like the audio quality of the product. They mention the volume is significantly higher compared to the onboard desktop sound card when used with the receiver. They also say the voices in their meetings sound clearer and the music they play seems to have more life.

"I was very pleasantly surprised at the sound quality from this unit. Its very musical sounding, with especially good bass reach and midrange quality...." Read more

"Sounds better than my mojo and more portable!" Read more

"...build is really good, it has some weight to it, the sound quality is really good it adds a bit of base, the thing I hate about this is that..." Read more

"...The sound is produces is clear and true, compared with the headphone jack directly, or bluetooth...." Read more

5 customers mention "Build quality"5 positive0 negative

Customers like the build quality of the product. They mention it's well-constructed, feels substantial, and has good bass reach and midrange quality.

"...Its quite small but feels substantial because the fine materials it is made from. MP3's from my laptop sound much cleaner, and tighter sounding...." Read more

"...have to push it past 5 ( using the 4.4 mm that I mostly use ) build is really good, it has some weight to it, the sound quality is really good it..." Read more

"...sound card when used with the Sennheiser HD 58X. Build quality was surprisingly good, the device was smaller than anticipated but has quite a..." Read more

"This DAC is extremely portable, well construction and sound much better then the sound card on my computer...." Read more

3 customers mention "Heat"0 positive3 negative

Customers are dissatisfied with the heat of the product. They mention it becomes hot after a short period of use and is too hot to keep in their pockets.

"The sound is good Overheat when ambient temperature over 25 deg C and shut down until cool down! To hot to keep it in your pocket ...." Read more

"...Dac operates very warm to the touch could be a design issue ?..." Read more

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Top reviews from Canada

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Audio Al
Dimunitive Size really packs a punch
Reviewed in Canada on November 30, 2022
Verified Purchase

I was very pleasantly surprised at the sound quality from this unit. Its very musical sounding, with especially good bass reach and midrange quality. Its quite small but feels substantial because the fine materials it is made from. MP3's from my laptop sound much cleaner, and tighter sounding. The bass is clean and punchy. And I can hear more ambient information as well. They are about 8 yrs old, but my AKG K550 Reference headphones sound so good now. Volume is no issue, as I have to reduce it alot. The only potential problem area may be the lead for the USB plug. Its pretty thin and light and may not hold up as well as the actual DAC unit itself. I cannot comment on battery life since it runs off my laptop. Even still, I do highly recommemd this item.

Read more

Audio Al

Dimunitive Size really packs a punch

Reviewed in Canada on November 30, 2022
I was very pleasantly surprised at the sound quality from this unit. Its very musical sounding, with especially good bass reach and midrange quality. Its quite small but feels substantial because the fine materials it is made from. MP3's from my laptop sound much cleaner, and tighter sounding. The bass is clean and punchy. And I can hear more ambient information as well. They are about 8 yrs old, but my AKG K550 Reference headphones sound so good now. Volume is no issue, as I have to reduce it alot. The only potential problem area may be the lead for the USB plug. Its pretty thin and light and may not hold up as well as the actual DAC unit itself. I cannot comment on battery life since it runs off my laptop. Even still, I do highly recommemd this item.

Images in this review

2 people found this helpful

Helpful

fahum
Best mini dac you get at this price range
Reviewed in Canada on December 26, 2024
Verified Purchase
Sounds better than my mojo and more portable!

Read more

Helpful

norm
It's good BUT.....
Reviewed in Canada on August 10, 2023
Verified Purchase
I've had this for a few months so now is a good time to write my review, my cell volume to max is 15 and with this device I don't have to push it past 5 ( using the 4.4 mm that I mostly use ) build is really good, it has some weight to it, the sound quality is really good it adds a bit of base, the thing I hate about this is that depending where you are in the city the feedback is horrible it will even cut out, what helps with this is a longer type c2c like a foot or longer cause the 3 inch one that it comes with is trash, so if I'm home I'm 100% happy with it, out side the house it's hit and miss. Over all I am happy with it, but it has its issues 8/10

Read more

3 people found this helpful

Helpful

Nicholas Dyment
Sounds clear and true
Reviewed in Canada on October 24, 2022
Verified Purchase
This DAC plugs right in to my USB-C adapter on my macbook, and enables me to have my speakers work directly with my home office setup without the need for bluetooth or other cables in to my laptop.

The sound is produces is clear and true, compared with the headphone jack directly, or bluetooth. The voices in my meetings sound clearer and the music I play seems to have more life. I don't have fancy equipment to test it other than my ears, but it works well for me and I'm glad i bought it. I've tested it with my tube amplifier, and my Sennheiser wired headphones

Read more

One person found this helpful

Helpful

Nour
Great audio quality, build quality, cable could be a bit longer or less delicate
Reviewed in Canada on October 30, 2022
Verified Purchase
I've had it for about a week now, audio quality and volume are quite good, no audible noise or distortion. Volume is significantly higher compared to onboard desktop sound card when used with the Sennheiser HD 58X. Build quality was surprisingly good, the device was smaller than anticipated but has quite a satisfying weight. The included usb-c to usb-c is high quality however it feels a bit delicate which isn't a good combo due to the weight of this device. Audio quality is very good, definite upgrade from onboard audio.

Read more

2 people found this helpful

Helpful

�鶹�� Customer
Great DAC for the price
Reviewed in Canada on January 31, 2023
Verified Purchase
This DAC is extremely portable, well construction and sound much better then the sound card on my computer. Cant go wrong for the cost and would probably need to spend much more to make a significant difference

Read more

2 people found this helpful

Helpful

�鶹�� Customer
Overheat
Reviewed in Canada on June 4, 2023
Verified Purchase
The sound is good
Overheat when ambient temperature over 25 deg C and shut down until cool down!
To hot to keep it in your pocket .
The Blue LED on at 48 KHz you don't really know if you listen Hi Res. audio

Read more

One person found this helpful

Helpful

honesT
Dac is very warm when in use... Warranty Claim filed updates to come...
Reviewed in Canada on March 15, 2025
Verified Purchase
Dac failed April 25th 2025. Bought March 8th 2025.
Only one left side has sound and it is completely distorted.

Dac operates very warm to the touch could be a design issue ?

I`m in contact with Customer service will update how they handle an honest warranty claim...

Read more

Helpful

Top reviews from other countries

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Enache Marin Marian
CALIDAD PRECIO +++
Reviewed in Spain on May 9, 2025
Verified Purchase

Buen producto se merece el dinero y lo dudo que sea productos por el mismo dinero mejores y si le quieres sacar partida con tidal or qobuz utiliza el software de HIBY PARA MOBIL , VAS A TENER UN SONIDO DE UN DAC COMO DE 500€

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Andrew Bell
Turns the iPhone into an audiophile player
Reviewed in the United Kingdom on May 7, 2025
Verified Purchase
I put FlacBox on my iPhone and ripped my CDs in flag format. This DAC with Sennheiser HD560s sound fantastic!

It drives the headphones easily and delivers great sound.

Amazing for the price.

Read more
Joakim S
Small dongle packing a surprisingly large punch
Reviewed in Sweden on July 10, 2024
Verified Purchase
I was surprised how good this dongle sounds. I'm using it to boost the output from my tablet in order to drive a pair of Sennheiser HD-660s. It works really well. Compared to my stationary DAC/amplifier, at 15 times the price, I can hear a difference in width and depth of the soundstage. For something that small and portable the Fosi sounds awesome.

Read more
Thierry Delloye
Ampli pour casque
Reviewed in Belgium on May 16, 2024
Verified Purchase
Dommage que l’utilisation soit limitée à l’iPad vu la connexion

Read more
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Tyler eriesian
Very high quality product
Reviewed in the United States on May 19, 2025
Verified Purchase
Thing is awesome. Has some angular design not sharp though. I love this device, its well rounded in tech performance but the usbc cord attached is not great, not bad but a little thin. I use it for mobile use with multiple iems and sometimes at my desk with a mac. Overall I would recommend

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Fosi Audio DS1 DSD512 HiFi USB C DAC ES9038Q2M Mini Audio Headphone Amp Adapter Supports 32bit/768kHz with 4.4MM and 3.5MM Dual Headphones Outputs

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Frequently bought together

Product information

Technical Details

Additional Information

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Featured items to consider

From the brand

Headphone Amplifier DAC

Headphone Amplifier DAC

Product Description

Balanced, Warm, and Natural Sound

Fosi Audio DS1 DAC Headphone Amplifier

Fosi Audio DS1 DSD512 HiFI DAC Headphone Amplifier

Satisfy the Most Demanding Audio Enthusiasts

Supports PCM 32bit 768kHz and DSD512

Indicator of Sample Rate

Volume Breakdown for Level 60

An Energy-efficient Design

UAC 1.0 Mode

Integral Zinc Alloy Housing

With Low Phase Noise and Low Jitter

Gold Plating on the Mainboard Contact

DAC headphone amplifier DS1 comparison table

Similar Brands on �鶹��

Customer reviews

Review this product

Customers say

Select to learn more

Images in this review

Reviews with images

Dimunitive Size really packs a punch

Top reviews from Canada

There was a problem filtering reviews. Please reload the page.

Dimunitive Size really packs a punch

Images in this review

Top reviews from other countries

5.0 out of 5 stars CALIDAD PRECIO +++

5.0 out of 5 stars Turns the iPhone into an audiophile player

5.0 out of 5 stars Small dongle packing a surprisingly large punch

4.0 out of 5 stars Ampli pour casque

5.0 out of 5 stars Very high quality product

CALIDAD PRECIO +++

Turns the iPhone into an audiophile player

Small dongle packing a surprisingly large punch

Ampli pour casque

Very high quality product