Find Your Optimal Sound

Staying true to our philosophy of delivering original audio experiences without compromise, Astell&Kern strives to design portable music players that reach beyond the capabilities of a standard playback device
to enhance the listener’s music enjoyment. The Astell & Kern A&Ultima SP2000T combines the OP AMP configuration of our SP2000—the culmination
of Astell&Kern’s finest audio technology—with a nostalgic vacuum TUBE AMP, adding a vintage feel to the portable player. The Triple Amp System Takes Acoustics to a New Level. Vacuum Tube Amplifier Compatible with 2.5 mm, 3.5 mm and 4.4 mm Output Jacks. Equipped with ESS ES9068AS QUAD-DAC, for Balanced, Ultra Detailed Sound. TERATON ALPHA, Astell&Kern’s Ultimate Sound Solution. ReplayGain Function to Maintain Consistent Playback Levels between Tracks. Dual-Band Wi-fi Support for Uninterrupted Wireless Connection and Improved Compatibility. Internal Mechanical Design to Minimize Noise

Astell & Kern A&Ultima SP2000T

The “T” in SP2000T does not stand for a specific word, but rather encompasses design approaches and directions made during the product development process.

TRIPLE AMP SYSTEM is the Next Generation of AMP Technology

The SP2000T exceeds the standard approach to AMP Mode selection, based on the type of music you are listening to. Select between TUBE AMP mode, OP AMP mode, or the brand-new HYBRID AMP mode. OP AMP mode puts Astell&Kern’s AMP technology expertise to use, delivering extreme clarity and dynamic sound, while TUBE AMP mode provides a uniquely warm and musical sound. HYBRID AMP mode – a first for digital audio players – enhances the resolution and clarity of the existing TUBE AMP mode to express more musical detail. HYBRID AMP mode, combines the advantages of retro analog performance and high-resolution output, giving you the pleasure of a brand new tonal characteristic. Experience the unique sound enhancements that AMP technology has to offer.

Vacuum Tube Amplifier Com-patible with 2.5 mm, 3.5 mm and 4.4 mm Output Jacks

The SP2000T supports all output types, with no restriction on the type of receiver used,
so you can enjoy the unique characteristics of the vacuum tube.

Real Vacuum Tube

Equipped with the portable-friendly dual-triode KORG Nutube, for a unique TUBE AMP sound. Nutube offers a reliable continuous playback time of approximately 30,000 hours. It features an anode grid filament structure which operates the same as a triode vacuum tube. It’s much smaller, consumes far less power and yet delivers the same audio with rich overtones. The SP2000T supports all output types, with no restriction on the type of receiver used, so listeners can enjoy the unique characteristics of the vacuum tube.


HYBRID AMP mode supported for the first time by DAP is the essence of Astell&Kern’s advanced AMP design technology. New combinations of sounds can be enjoyed in HYBRID AMP mode,
which is based on the OP AMP sound and addition of tasteful warm tones unique to TUBE AMP technology.

Special Design to Minimize Microphonics Noise

SP200T features a special design tailored to minimize microphonics (the phenomenon wherein the vacuum tubes generate noise even from a small external impact). Multiple design iterations and verifications have been performed over a long period of time to fix the structural issues of vacuum tubes that generate microphonics noise even from a small impact or vibration. For minimization of mechanical impact and vibration, both sides of the vacuum tube are fixed with flexible silicone covers, and the vacuum tube has been modularized so it is physically separate from the PCB. Astell&Kern goes to great lengths to innovate and design these small components that make a big difference in the quality and sound of our products that no other manufacturer can match.

Separation Using Magnetic Polarity

Flexible Silicone Covers

A structure that uses magnetic forces to float the amp in the air, thus minimizing noise from the vacuum tube itself, which is generated when it is exposed to mechanical impact or vibration.

Silver Plating Shield Can

Astell&Kern products apply shield cans so that noise and elec-tromagnetic interference, which occur when the countless parts are in operation, do not affect the audio block. The Astell & Kern A&Ultima SP2000T has taken it a step further by applying highly con-ductive, hyper-pure silver plating on the existing shield cans for perfect shielding that provides excellent audio performance.

Adoption of Full HD Display for Improved Image Quality

The SP2000T features a full HD screen to provide a higher quality display.
441 PPI: High pixel density
5.0 inch: Large display
16.7M colors: Large color gamut
1920*1080: High resolution

Dual-Band Wi-Fi (2.4/5 GHz)

Dual-Band Wi-Fi is supported for users who enjoy streaming services, providing enhanced network performance. With streaming music services becoming more popular, stronger and more reliable network reception becomes even more important for your audio experience. The Astell & Kern A&Ultima SP2000T supports Dual Band Wi-Fi (2.4/5GHz, a/b/g/n/ac).

AK File Drop to enjoy wireless transfers

The new AK File Drop function in the SP2000T makes files transfers easier and more convenient. Using AK File Drop, you can freely transfer files wirelessly through a PC, smartphone, or FTP program located on the same network. Music file management is now possible with a cableless, wireless solution.

Wireless Hi-Fi Sound Through BT Sink

The newly introduced BT Sink function connects the Astell & Kern A&Ultima SP2000 to an external device via Bluetooth,
similar to connecting a smartphone with a BT speaker. Music from an external device, such as a smartphone can now be played back in high-quality on the SP2000T using the BT Sink function.
BT Connect (RX Mode/BT Sink)
BT Connect (TX Mode)

Real-Time Playback and AMP ModeInformation Reflected by Light

Through the softly dispersing LED light,
Users are notified of the bit depth information of the song being played or the current AMP mode.

* LED light may be turned on or off in the user settings, and one can choose between
the sound source information or AMP mode information displays.

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