Astell & Kern A&ultima SP1000 Music & Media Player Unboxing

Astell&Kern A&ultima SP1000 DAP Music Player

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The Astell & Kern A&ultima SP1000 Digital Music & Media Player is the most recent addition to join the Astell & Kern family of high resolution DAPs. The SP1000 is the first A&ultima player featuring the latest advancements in AK technology. This one-of-a-kind, high-end powerful high resolution music player features an octa-core CPU for outstanding response and performance. The High Definition HD5 display comes with the stainless steel and copper housing to create the best viewing experience.

Ultimate Sound Quality

The SP1000 includes the latest AK4497EQ dual-DAC design. Paired with the upgraded CPU, the SP1000 allows for accurate playback of native 32bit/384kHz audio with no compromise on sound quality. The music is played back, bit-for-bit, just as the artists and engineers intended for it to be heard. The A&ultima SP1000 also supports native bit-to-bit DSD playback up to 11.2MHz for the best sound possible.

Roon Ready

Your one-stop-shop for a curated music library, Roon connects your existing music files with content from your streaming services and connects it all to photos, bios, reviews, lyrics, and concert dates. It puts all of your music in one searchable place.

Roon is a music management and listening solution that takes a very different approach to interact with your music. Instead of seeing a spreadsheet-like view of your music (as with iTunes and almost all other media systems), Roon provides a very rich non-list based experience, using credits, artist relationships, genres, lyrics, concert/tour dates, artwork, and more to allow for informative navigation and exploration of your library.

Roon manages digital music files collected on hard drives and networked storage. It can also watch your iTunes library, and optionally integrate with the music streaming service TIDAL.

Roon Ready Logo

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Get Both High Output and Vivid Sound

Traditionally, as power output is increased, audio has suffered from noise and distortion. Astell & Kern's advanced audio design and signal management technologies used in the A&ultima SP1000 brings more power output with less noise and minimal distortion.

Vivid Sound Creates a Superior Audible Experience

The left and right audio channels include independent DACs to provide a wider soundstage and better stereo separation. Each AK4497EQ DAC provides rich and vivid audio reproduction, allowing the listener to enjoy the sound as it was meant to be heard.

A&ultima SP1000 AK4497EZ DAC

Great Performance for the Ultimate Experience

The A&ultima SP1000 features faster booting times, speedy file transfers, lag-free processing and a new intuitive user interface for the ultimate player experience.

SP1000 Octa-Core CPU

Wider Screen for Vibrant Images

The A&ultima SP1000 features a bezel-less design to maximize screen size.

The high-definition HD5 grade display delivers a vibrant and engaging viewing experience. Song and player information is sharp, colorful and easy to read on the larger, brighter screen.

A&ultima SP1000 Screen Size

New Intuitive User Interface for the Ultimate User Experience

Astell & Kern revamped the interface design on the SP1000 to give the user a more music-centric experience from the home screen.

The power button on the volume wheel is located on the side of the SP1000 instead of the top. This allows users to control the volume and turn the LCD screen ON/OFF, all with one simple control.

* When the SP1000 is on the home screen, all functions are centered on the music playback screen.

* The SP1000's user interface provides a simple, minimalist menu design and structure, allowing users to access features and functions quickly and easily.

Faster Charging, Quicker File Transfer

Next generation USB Type-C support allows file transfer speeds up to 10Gbps and supports both data transfer and charging from the same cable.

USB 3.0 protocol transfers data twice as fast when compared to other Astell & Kern players.

Charging with a fast charger (at 9V/1.67A) takes only two hours and allows up to 12 hours of continuous playback.

* The maximum 12 hours of continuous play is based on a 24-bit/96 kHz, FLAC file audio file, with the screen off, at 50% volume level, and power output set at low gain playback.

* A fast charger rated 9V/1.67A or a general charger rated 5V/2A are not included.

Design Concept

The SP1000, the first A&ultima player, is like a natural gemstone carefully refined by professionals.

Knowing that sound is reflected from mass, like like is reflected from a surface; Astell & Kern designed the SP1000 like a gemstone with reflective features on its surface.

The crown-patterned volume wheel on the right corner is similar in appearance to a cut gemstone, which reflects light from various angles.

The sophisticated volume wheel on SP1000 not only delivers visual and textual details with precision, but allows convenient, one finger ON/OFF control and fine volume control with the addition of both push and turn features.

The external chassis of the SP1000 is made of rugged stainless steel that resists aging and external shock. The SP1000 is the ultimate music player, crafted in an artistically designed metallic setting.

Using Open APP Service

The Open APP Service enables the user to install specific APK music streaming apps to the device. Copy the desired APK into the Open Service folder of the product and install the relevant App in the Menu-Service of the product.

Using Open APP Service

AK Player Comparison

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Stainless Steel(S)
Onyx Black(B)
Stainless Steel(S/B)
2.98" x 5.2" x 0.64"
13.64(S/B)/13.68 oz(C)
5" Touchscreen
HD 700x1280
Octa-Core Dual DAC:
USB Type-C Input
3.5mm Unbalance
2.5mm Balance
Battery Life
12hr Playback
12hr charge (PC)
5hr charge (5V/2A)
2.33hr chg (9V/1.67A)
256GB Internal
microSD ≤400GB
Windows 7, 8, 10 (32/64bit)
MAC OS X 10.7+
Wi-Fi, Bluetooth v4.1
≤32bit / 384kHz
Native DSD
Frequency Response
Condition: 20Hz-20kHz
±0.062dB Unbalance
±0.061dB Balance
Condition: 10Hz-70kHz
±0.68dB Unbalance
±0.67dB Balance
Output Level
2.2 Vrms Unbalance
3.9 Vrms Balance
2 Ohm (3.5mm)
1 Ohm (2.5mm)
Stainless Steel(S)
Onyx Black(OB)
Vegas Gold (VG)
Stainless Steel(S/OB/VG)
3.0" x 5.19" x 0.61"
14.49/15.25 oz(C)
5" Touchscreen
HD 720x1280
Octa-Core Dual DAC:
USB Type-C Input
3.5mm Unbalance
2.5mm Bal. 4-pole
Optical 3.5mm
Battery Life
8hr Playback
5hr charge (5V/2A)
2.5hr chg (9V/1.67A)
512GB Internal
microSD ≤512GB
Windows 7, 8, 10 (32/64bit)
MAC OS X 10.7+
Wi-Fi, Bluetooth v4.1
≤32bit / 768kHz
Native DSD
Frequency Response
Condition: 20Hz-20kHz
±0.015dB Unbalance
±0.010dB Balance
Condition: 20Hz-70kHz
±0.050dB Unbalance
±0.030dB Balance
Output Level
3.0 Vrms Unbalance
6.0 Vrms Balance
1.5 Ohm (3.5mm)
1 Ohm (2.5mm)
Select a DAP to view and compare specifications
Select a DAP to view and compare specifications

Press and Reviews

Astell n Kern Magazine Guide
Astell&Kern Magazine

Guides & Reviews
by Moon Audio

Moon Audio Review
Moon Audio

by Drew Baird
May 2017

The Absolute Sound LAAS Review
Absolute Sound

by Jim Hannon
Jun. 2017

The Absolute Sound LAAS Review
Absolute Sound

by Alan Taffel
Jun. 2017

Enjoy The Music LAAS Review
Enjoy The Music

by Steven Rochlin
Jun. 2017


Technical Features

Body Color
Stainless Steel / Copper
Body Material
Stainless Steel / Copper
5inch (720x1,280) Touch Screen
Supported Audio Formats
Sample rate
PCM: 8kHz ~ 384kHz (8/16/24/32bits per Sample)
DSD Native: DSD64(1bit 2.8MHz), Stereo / DSD128(1bit 5.6MHz), Stereo / DSD256 (1bit 11.2 MHz), Stereo
Output Level
Unbalance 2.2 Vms / Balance 3.9 Vrms (Condition No Load)
AKM AK4497EQ x2 (Dual DAC)
Support up to 32bit / 384kHz Bit to Bit Decoding
USB 3.0 Type-C input (for charging & data transfer (PC & MAC))
Connection Mode: MTP(Media Device)
PHONES (3.5mm) / Optical Out (3.5mm) / Balanced Out(2.5mm, only 4-pole supported)
802.11 b/g/n (2.4GHz)
V4.1 (A2DP,AVRCP) / aptX HD
2.98" (75.8mm)[W] x 5.2" (132mm)[H] x 0.64" (16.2mm)[D]
Stainless Steel: 13.64 oz (386.6 g) / Copper: 13.68 oz (387.9 g)
Feature Enhancements
Firmware upgrade supported (OTA)
Frequency Response
±0.062dB (Condition: 20Hz~20kHz) Unbalance / ±0.061dB (Condition: 20Hz~20kHz) Balance
±0.68dB (Condition: 10Hz~70kHz) Unbalance / ±0.67dB (Condition: 10Hz~70kHz) Balance
Signal to Noise Ratio
120dB @ 1kHz, Unbalance / 122dB @ 1kHz, Balance
138dB @ 1kHz, Unbalance / 143dB @ 1kHz, Balance
0.0005% @ 1kHz, Unbalance / 0.0008% @ 1kHz, Balance
0.0004% 800Hz 10kHz(4:1) Unbalance & Balance
Output Impedance
Balanced out 2.5mm (1ohm) / PHONES 3.5mm (2ohm)
Clock Jitter
Reference Clock Jitter
200 Femto Seconds
Battery Capacity
3,400mAh 3.7V Li-Polymer Battery
Continuous Playback Time
Up to 12 hours (Standard - MUSIC: FLAC, 16-bit/44kHz, Volume 75, LCD Off)
Charge Time
About 2 hours (Standard - 9V/1.67A Fast charging)
Built-in Memory
256GB [NAND]
External Memory
microSD (Max 256GB) x1
Supported OS
Windows XP, Windows 7,8,10 (32/64bit), MAC OS X 10.7 and up

Package Includes

  • DAP
  • Leather Case
  • USB-C Charging Cable
  • Micro SD Card Tray
  • Card Slot Pin
  • Protective Film
  • Quick Start Guide
  • Warranty Card
  • one year limited warranty*

*The warranty period for all the products is one year from the date of purchase. However, every other item except the main body will be classified as accessories, and in this case, the warranty period may be different. Just like replaceable batteries, 1-year warranty from the date of purchase is applied to embedded batteries.



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