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D1P 32 Bit Portable Headphone Amplifier & DAC

D1P 32 Bit Portable Headphone Amplifier & DAC

Tired of mediocre sound from your devices? Meet the D1P, Audioengine's all-in-one solution for crystal-clear audio. This portable, yet compact headphone amplifier and DAC bypasses your device's internal sound card, ensuring premium sound quality from Tidal to Apple Music. Compatible with iOS, Android, MacOS, & Windows, it's power-efficient yet powerful enough to drive audiophile-grade headphones or speakers without batteries. Elevate your listening experience with the D1P, where dynamic, rich sound meets convenience and versatility.
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Best Use:

  • Headphones
  • Powered Speakers

Ideal for:

  • Desktops
  • Remote Work
  • Gaming
  • Vinyl Listening
  • Traveling

Hear What You've Been Missing

For those demanding the best sound quality, the D1P enhances music
streaming to high-fidelity, exceeding the capabilities of traditional
audio equipment. It bypasses the limitations of standard device sound
cards, ensuring that your favorite tracks from platforms like Tidal,
Apple Music, or Spotify are delivered in studio-level quality.
Supporting high-resolution audio formats — including PCM up to 32bit
384KHz, DSD up to 256, and MQA files — the D1P allows you to immerse
yourself in the full depth of your music, unveiling every note with
clarity and detail.

Power Meets Efficiency

The D1P showcases an exceptional ability
to deliver ample power to drive audiophile-grade headphones between 10
to 600 ohms without draining unnecessary power from your device. This
precision in power management ensures your listening sessions are
extended, with uncompromised sound quality.

Versatility in the Palm of Your Hand

USB C Input: Provides a modern, high-quality connection to your devices for both power and audio.

Optical Input: Ensures compatibility with home theaters, TV's and devices with optical outputs.

Analog Output: Offers connections to any speaker setup, from vintage amps to modern systems.

Headphone Jack: Supports a broad spectrum of headphones for personalized listening.

Tailored Listening

Audioengine values your control over the listening experience. The D1P
features an output toggle switch, allowing you to smoothly switch
between headphones or speakers. This control lets you fill the room with
music or immerse yourself in a private listening session, catering to
your preference at on demand.

From Desk to Destination: Premium Sound That Follows You

Are you tired of being tethered to your desk or home for high-quality
music experiences? The D1P breaks down these barriers, enhancing your listening experience wherever you go. With the D1P, high-fidelity sound
isn't confined to a single location; it follows you. Whether you're
perfecting a playlist at your desk or savoring a moment of relaxation in
a café, the D1P ensures your music always meets the highest standard of
clarity and depth. This compact powerhouse transforms any space into
your personal concert hall, proving that premium sound quality can
travel with you, everywhere. Embrace the freedom to enjoy your favorite
tracks without compromise, no matter where life takes you.

  • Volume control
  • Indicator light
  • Headphone output
  • Stereo RCA output
  • Optical / TOSLINK input
  • USB C input
  • Toggle switch

  • Sample Rate

    PCM Max. 32 bit / 384kHz

  • Headphone Impedance

    10 Omhs - 600 Omh

  • MQA

    MQA Renderer

  • Works With

    Android, iOS, MacOS, Windows

  • Outputs

    RCA stereo/3.5mm headphone

  • Supported Formats


  • DAC

    ESS ES9219C

  • Optical

    Circus Logic CS8416

  • 1 D1P 32 Bit Portable Headphone Amplifier & DAC

    1 USB-C cable

    1 Microfiber product bag

  • 1 Setup guide

    1 Lightning to USB-C cable

Questions & answers about the

Do I need external power to use the D1P?

Do I need external power to use the D1P?

external power is required. The D1P has a minimal power draw and can be
powered directly by your mobile device or computer, ensuring efficient
operation without significant power consumption. If you do not have a
computer close by and are using the optical, any 5v DC USB power supply
will work.

What is the supported headphone impedance range for the D1P?

The D1P supports a wide range of headphones, from 10-600 Ohms, accommodating nearly all audiophile-grade headphones.

If both my optical and USB inputs are connected, which one will play?

The D1P gives priority to the optical input over USB when dual connected.

My headphones are plugged into the DAC but there's no sound. What could be wrong?

Ensure the toggle switch is set to the headphone output and not the
line out. This common step is overlooked and is crucial for directing
audio correctly.

What are the key components within the D1P?

Key components include a Savitech SA9312 USB, an ESS ES9219C DAC for
superior audio decoding, and a Cirrus Logic CS8416 for optical input,
ensuring premium performance and sound quality.

How does the optical input function?

The Toslink digital optical input allows the D1P to accept PCM stereo
streams from any optical source, like TVs, computers, and media
servers, providing flexible and high-quality audio connectivity.

What is the maximum sample rate/bit depth the D1P can process?

The D1P processes PCM digital audio up to 32 bits and a maximum
sample rate of 384kHz. It also supports DSD playback up to DSD128,
allowing for high-resolution audio playback.

Can the D1P play MQA files?

Yes, the D1P has built-in MQA hardware to complete the final unfold
of an MQA audio file, offering a crystal clear listening experience.

What high-resolution formats does the D1P support?

The D1P supports MQA, FLAC, PCM, and DSD formats, ensuring it can
handle a wide range of high-quality audio files for your listening

 How does the D1P enhance audio quality compared to my computer’s internal DAC or sound card?

By bypassing your computer’s internal DAC or sound card, the D1P with
its advanced DAC technology and custom audiophile-grade connectors
delivers a more expansive and detailed soundstage, enhancing your
listening experience across platforms like iTunes, TIDAL, Spotify, and

What types of audio input does the D1P accept?

The D1P accepts both USB-C and S/PDIF optical input from any device
with a TOSLINK digital optical, for your digital audio sources.

How is the D1P powered?

is powered by your devices through a USB-C connection, with no need for
an additional/external power source. This ensures convenient and
versatile use across all your digital devices on-the-go, or from your

 Can the D1P drive my headphones?

Absolutely, the D1P is engineered to power audiophile-grade
headphones effortlessly. Its robust yet portable 32-bit headphone
amplifier ensures superior sound quality from even the most demanding

What devices are compatible with the D1P?

The D1P works with iOS, Android, MacOS, and Windows devices,
supporting any device with a USB or digital audio output, including
phones, laptops, and computers.

Why does my D1P indicator light change colors?

Audio formats and bitrates are shown by the color of the indicator light on the D1P

White   PCM 32-48kHz

Green   PCM 88.2-192kHz, DSD64, Optical

Blue      PCM 352.8-384kHz, DSD128

Purple  MQA Rendering

*When connected to a Mac or PC, the indicator light reflects what
your system sound audio output quality is set to, not the bitrate of the
specific track you’re playing.


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