So Macs have good internal DACs, can someone comment on how much better this unit makes music sound while running off a Mac (I have a 2013 Mac Air)?

I disagree with KM. Haven't tried this AudioEngine DAC, but the NUforce Mac-specific DAC I own makes a noticeable difference, mostly in the clarity of the highs. It makes the Mac's built-in DAC sound shrill. On lower-end headphones it might not be detectable. And, of course, everyone's hearing is different. I can listen to Google Play streaming much longer on my Sennheiser HD280 Pro headphones through an external DAC than without one.

Will the analog outputs be bypassed if a headphone is connected at the same time?

Yes Zack. The analog RCA's are disconnected if headphones are plugged into the D1. I wish it was a bit more flexible but that's the way it is with this unit.

Does this DAC require LPCM or PCM in S/PDIF input signal. Most TV has option to output in PCM format but not all. My LG DU-37LZ30 has DTS/AC-3 output

From the FAQ on Audioengine's site:Q: The D1 is connected to the optical output of my TV but I'm not getting any sound. What can I do?A: In your TV menu verify that "PCM STEREO" is selected and "DOLBY DIGITAL" is off.So it presumably only supports PCM over S/PDIF.

I see the d1 has usb input. i don't have a sound card in my pc, do i still need to get one if i get d1 to improve the sound quality? thanks.

The D1 functions as a soundcard, so no, you do not need another sound card. Plug the D1 into the USB port on your computer, and an amplifier or headphones into the D1, and enjoy your music!

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Audioengine 32-bit D1 Portable Desktop Headphone Amp and DAC, Preamp, USB/Optical Inputs, Hi-Res Audio Playback (2nd Gen)

Product ID: 255479225

Details

Brand
Audioengine
Maximum supply voltage
5 Volts (DC)
Minimum supply voltage
5 Volts (DC)
Mounting type
Freestanding
Number of pins
4

🎧High-performance headphone amp

🔊24-bit/192kHz Hi-Res DAC

🔌USB-C + Optical Inputs

€ 698.90

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Description

🎶 Elevate your audio game—because your ears deserve the VIP treatment.

POWERFUL PORTABLE AMP - Drive high-end headphones anywhere with USB-powered, no external adapter needed.
SLEEK DURABLE DESIGN - Anodized aluminum chassis blends premium aesthetics with rugged desktop portability.
UNIVERSAL CONNECTIVITY - Seamlessly connect via USB-C or optical inputs to computers, phones, tablets, and more.
AUDIOPHILE GRADE CLARITY - Experience pristine 24-bit/192kHz digital-to-analog conversion that reveals every sonic detail.
PLUG AND PLAY SIMPLICITY - No drivers or software required—just connect and elevate your sound instantly.

The Audioengine D1 is a premium 24-bit/192kHz DAC and headphone amplifier designed for discerning listeners who demand studio-quality sound from their desktop or portable setups. Featuring USB-C and optical inputs, it powers high-performance headphones and outputs to any audio system with zero fuss thanks to its plug-and-play design. Encased in a sleek anodized aluminum body, the D1 transforms everyday music streaming into an immersive hi-res experience, backed by US-based support and a 2-year warranty.

Specifications

ASIN	B006IPH5H2
Brand Name	Audioengine
Customer Reviews	4.4 4.4 out of 5 stars (942)
Global Trade Identification Number	00819955250039
Included Components	D1, USB cable, setup guide
Interface	USB
Item Dimensions L x W	9.5L x 8.9W centimeters
Item Weight	5 Ounces
Manufacturer	Audioengine
Material Type	Aluminum
Maximum Supply Voltage	5 Volts (DC)
Minimum Supply Voltage	5 Volts (DC)
Model	D1
Mounting Type	Freestanding
Number of Channels	1
Number of Items	1
Number of Pins	4
Part Number	D1
UPC	819955250039
Unit Count	1 Count
Upper Temperature Rating	95 Degrees Fahrenheit

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€ 698.90

Duties & taxes included

In stock

Sold byAmazon AustriaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Austria.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Customer service was outstanding when I had questions about the product.

2 days ago

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