Astell&Kern SP1000 AMP

Rating:
94%
As low as $799.00
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The SP1000 Amplifier module is designed specifically for the SP1000 music player or DAP (digital audio player) to drive full-sized, high-impedance headphones. It offers High Gain output of 10Vrms for Balanced output and 6.2Vrms for Unbalanced output and fits perfectly with your SP1000, adding power and performance.

Main features

  • Supports high-impedance headphones
  • Provides powerful output level
  • Compatible with SP1000
  • Supports high and low gain mode
  • Expansion type design
  • 3,700mAh large-capacity battery

High Gain

The SP1000 AMP offers 10Vrms for Balanced output on the High-Gain setting.

Low Gain
Unbalanced 2.9 Vrms / Balanced 6.2 Vrms
(Condition No Load)
High Gain
Unbalanced 6.2 Vrms / Balanced 10 Vrms
(Condition No Load)

The AMP has been designed to protect your hearing. It adjusts the output every time the AMP is turned on and/or your headphone is disconnected from the AMP. The AMP can be turned on and off easily from the quick settings menu. Gain can be adjusted in the full settings menu.

When the SP1000 AMP is connected to the SP1000, Optical out, USB-DAC, USB-Audio, Line-Out and CD-Ripping functions will not be available.

Improved Output Performance

The SP1000 AMP offers higher power output and better efficiency*, using updated circuitry and audio volume control.

*compared to the AK380 AMP module

power output of the SP1000 AMP compared to the AK380 AMP

3,700 mAh Large-Capacity Battery

The SP1000 AMP is equipped with a 3,700mAh rechargeable battery to provide 9 hours of uninterrupted music playback.

SP1000 AMP supports 9 hours of continuous unbalanced-output playback.

Astell and Kern SP1000 AMP audio block

Simplicity of Integral AMP

The SP1000 AMP offers greater portability when paired with the SP1000 player with its optimal design and fit.

SP1000 AMP design details SP1000 AMP versus other amps

Perfect Unity

The black backing of the AMP represents shadows of the natural materials of the SP1000 and as the wavelengths of the sound splash in every direction, the reflected shadows express a divided silhouette.

The soft blue light surrounds the SP1000 volume wheel and accentuates the beautifully crafted crown pattern as the light shines upon it.

The precise angle of the wheel and the AMP surface, when combined together, has a functional space that does not interfere with the operation of the wheel and conveys the AMP status through the white, blue and red colors.

The SP1000 player locks to the amp, providing a simple and secure connection, giving you the feel of a single, united device.


Reviews

Astell n Kern Magazine Guide
Astell&Kern Magazine

Guides & Reviews
by Moon Audio

Specifications

Model
SP1000 AMP
Body Color
Onyx Black / Stainless Steel / Copper
Body Material
Aluminum
Front Deco
Stainless Steel
Inputs
USB Type-C (for charging)
Connection Mode: MTP (Media Device)
Outputs
PHONES (3.5mm)
Balanced Out (2.5mm, 4-pole only)
Dimensions
2.98" W x 5.82" H x 0.35" D (75.7mm x 148mm x 9mm)
Weight
7.05 oz (200g)

Performance

Output Level
[Low Gain] Unbalanced 2.9 Vrms / Balanced 6.2 Vrms (Condition: No Load)
[High Gain] Unbalanced 6.2 Vrms / Balanced 10 Vrms (Condition: No Load)
Frequency Response
[Low Gain] ± 0.06 dB (Condition: 20 Hz - 20 kHz) Unbalanced / Balanced
[High Gain] ± 0.06 dB (Condition: 20 Hz - 20 kHz) Unbalanced / Balanced
Signal to Noise Ratio
[Low Gain] 110 dB @ 1 kHz, Unbalanced / 111 dB @ 1 kHz, Balanced
[High Gain] 111 dB @ 1 kHz, Unbalanced / 111 dB @ 1 kHz, Balanced
Crosstalk
[Low Gain] 107 dB @ 1 kHz, Unbalanced / 131 dB @ 1 kHz, Balanced
[High Gain] 107 dB @ 1 kHz, Unbalanced / 131 dB @ 1 kHz, Balanced

Package Includes

  • SP1000 Amplifier
  • USB-C to USB-A Cable
  • Black Leather Case
  • Quick Start Guide
  • Warranty Card

4.7 / 5.0
7 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
6
0
1
0
0
Meh.
Mine came in tarnished with a white haze in the clear coating of the copper. It's not a green copper tarnish, more like a lacquer blushing. Moon Audio offered to take it back or swap it with another color, but it was the last copper so I decided to keep it. Moon quickly got back to me, no problem with Moon Audio on this.
Sound quality? Don't expect to drive hungry cans. I can get more distortion-less volume with this amp with headphones, but the bass is lacking when I crank my headphones up to moderate levels. My ibasso dx220 with amp8 has a better sound signature or tonal balance than my SP1000+amp, but the ibasso tends to distort when overdriven, the sp1000 amp does not. It just sounds bright.
Build quality? This is a beautiful engineered product if I can ignore the white haze-tarnished lacquer and low end absence. The way the amp connects is perfect engineering, I wish A&K would improve the finish and sound quality on the bass end. The build quality from a mechanical standpoint is very nice, perfect even. Once secured it feels very secure. It's easy to charge both the amp and the sp1000 dap all from the same USB-C cable. The included leather case is a very nice and useful accessory.
November 7, 2019
Purchased
1 month ago
The excellent Astell&Kern SP1000 Amp
This amplifier takes the already excellent sound quality of the Astel&Kern SP1000 to a much higher level. Any owner of the SP1000 should consider this amp as a significant upgrade.
October 14, 2019
Purchased
1 month ago
Great product. Works well with my Audeze LCD 3 headphones
October 1, 2019
Purchased
2 months ago
Great addition for LCD-4
I can now use my SP1000 and Amp with my LCD-4 headphones.
August 29, 2019
Purchased
3 months ago
Very Impressed
The sound quality of this amp connected to the SP1000 surpassed my expectations. The amp helps raise the ease of driving both efficient and non-efficient drivers ... Making everything notably more relaxed in their presentation. The only downside is that, with the amp, the sp1000/amp combo are heavy and large ... They are not walk-around friendly!
August 9, 2019
Purchased
4 months ago
Well engineered, great sound quality
The AMP is well engineered, fits well with the SP1000 in the provided case, and is well integrated with the SP1000. The two devices charge as a unit. The combo is a little heavy to be carried around in a pocket but is a good companion on plane flights. It looks like the AMP was anticipated by AK because the fitting to attach the AMP was present in the SP1000 itself.
August 9, 2019
Purchased
4 months ago
Huge dynamic improvement
Huge improvement over non-Amp SP1000 work.
Same great details with major dynamics added.
Highly recommendable upgrade.
July 25, 2019
Purchased
4 months ago
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Preorder sp1000 amp? Is it already sold out? Thanks
Michael O on Jun 12, 2019
BEST ANSWER: Preorders excepted now. Expected to arrive by end of June.

Astell&Kern SP1000 Amplifier Unboxing

SP1000 Amp Connection Guide