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Astell & Kern A&norma SR25 Portable Music Player

✓ 2 Year Warranty included

✓ Authorised UK Dealer

✓ FREE Next Working Day Courier Service to mainland UK

Beginning with the AK70, Astell&Kern's goal was to bring high resolution audio and the Astell&Kern sound to more music lovers.
This goal continued with the successor to the AK70, the A&norma SR15, and now evolves further as the SR25, a premium product that fully embraces Astell&Kern's philosophy and technology, now available to the masses.
£649.00
Spread the cost with our finance deals on all orders over £300
Astell & Kern

FREE Delivery to Mainland UK*

*Read more

All Next Working Day orders placed before 4pm are dispatched same day (Excludes bank holidays and weekends).

RETURNS
We're pretty sure you'll be happy with your purchase, however for details about our returns policy click here.

 

Product Description

Details

 

WHAT HIFI 5* Product

"Each new generation invariably proving more talented than the last. The SR25 doesn’t let us down, propelling its lineage forward from the 2018-introduced A&norma SR15 to set a new performance benchmark...." - Read more here

 

 

 

The New Hi-Fi Standard, A&norma SR25

The SR25 is the second model in the Astell&Kern A&norma standard line.

Beginning with the AK70, Astell&Kern's goal was to bring high resolution audio and the Astell&Kern sound to more music lovers.
This goal continued with the successor to the AK70, the A&norma SR15, and now evolves further as the SR25, a premium product that fully embraces Astell&Kern's philosophy and technology, now available to the masses.

The SR25 is the latest answer to our never-ending question of "How do we get closer to the original sound the artist intended?"
The SR25 improves on the SR15 by:

Adding a new, faster Quad-Core CPU paired with the Dual Cirrus Logic CS43198 Master Hi-Fi level DAC, first used on the SR15
Native playback support for DSD256
A new class-leading performance mode for ultra-high quality playback without compromise
Newly designed circuitry to improve sound quality enhancements
Addition of Bluetooth LDAC codec to give users more options for higher quality wireless sound

The essence of Astell&Kern's philosophy that sound quality is never compromised is exemplified in the SR25,
which expresses every musical detail and bit-perfect playback as only Astell&Kern can.

Performance Mode for Ultra High Resolution Sound

The SR25 supports native DSD256 and 32bit/384kHz audio for the first time in an Astell&Kern standard product and boasts performance that cannot be compared with other competitors' products.

The SR25, which is smaller than other players, has been developed to achieve stable, ultra-high resolution sound.
We have developed a new Performance Mode with the SR25 that automatically optimizes and sets the memory mode in the system according to the data size of the source being played.

As the resolution of the sound source increases, it is necessary to process a large amount of data rapidly. If this part is not optimized, sound breakup may occur. To prevent this, the SR25 uses the new Performance Mode to adjust and optimize the system in order to produce near perfect sound quality when playing back high resolution audio.

Experience ultra-high resolution with the SR25's Performance Mode, which reproduces even the smallest, minute details of the original recording the artist was looking for, without compromise.

     

Perfect Circuit Design for the Highest Sound Quality

Proper playback of DSD256 and 32bit/384kHz digital audio requires a high-performance CPU and fast memory speed, along with an audio path suitable for high-speed signal processing.

Optimizing the length of the audio path is a very important part, as failing to properly do so can create a time delay between the signals resulting in sound abnormalities.

With the SR25, the Astell&Kern team developed a completely different PCB design from the existing SR15 to process the high speed signals where required, resulting in audio path lengths that are the same, allowing for super-high resolution sound without any delay.
Furthermore, newly designed audio patterns and power circuits for distortion-free signal transmission and noise rejection are applied to each channel.

The result is an Ultra Low Noise Filter that allows you experience Astell&Kern's flawless sound, with Zero Noise, on the SR25.

Application of Ultra Low Noise Filter for each channel

 

Embark on a Musical Journey That Lasts the Entire Day

If the power supply's stable design and efficiency are not properly taken into consideration, the input/output voltage difference becomes large, and when the output current is large, the output voltage can become unstable. This leads to excessive noise being generated, which can be a major cause of poor sound quality. In addition, poor power efficiency will result in a shorter playback time.

The SR25 set a big challenge for the Astell&Kern engineering team – add the longest playback time of any previous Astell&Kern product, while maintaining the signature Astell&Kern quality sound, and a low-noise floor.
In the SR25, the team not only applied highly efficient components, but they focused on developing circuit optimizations to get the most out of their performance.
The result is up to 21 hours of continuous play time, more than double the previous generation SR15, with no compromise in sound quality.

No need to worry about battery life while on your daily journey, just have fun on your Music Trip with the SR25.

Continuous Playback Time

SR25SR15AK70 MKⅡAK70
About 21 hours About 10 hours About 10 hours About 10 hours

* Standard - MUSIC: FLAC, 16-bit/44.1kHz, Unbalance, Volume 80, EQ OFF, LCD OFF

No Compromise on Sound, Even When Connected Wirelessly

In addition to 24-bit music playback via aptXTM HD Bluetooth as in previous Astell&Kern players, the SR25 adds LDAC support to give users more options to listen to high resolution audio wirelessly.

Now you can enjoy Astell&Kern's high-quality sound when paired to Bluetooth earphones, headphones and speakers.

Bluetooth Code Bit-rates Compared (kbps)

 

Astell&Kern's Exclusive Metalworking Technology

Astell&Kern products are often compared to art sculptures, with colorful faces and angles not found in other products. This precise design work is based on Astell&Kern's long accumulated know-how and highly precise metalworking technology.

In order to produce this unique style Astell&Kern is famous for, 5-axis machining is performed instead of traditional 3-axis machining used in general machining. All metal must be processed at once without interruption.
In addition to 5-axis machining, Astell&Kern has perfected it's crafting of metal through thousands of hours of trial and error. Only after mastering these techniques that Astell&Kern has developed, can the beauty of the metal shine through.

The vibration-free processing machines used by Astell&Kern are the same ones used by expensive Swiss luxury watch manufacturers. This is reflected in the crafting of the volume wheel which is processed precisely like the crown of a luxury watch for the best operating feel.
Astell&Kern products are designed to achieve perfect integration at whatever angle you look at it in your hands.

The Aluminum body on the SR25 provides maximum sound quality, while suppressing noise as much as possible. The use of laser ground extension technology gives you the best sound possible, without interference or distortion.

Astell&Kern combines these small parts to make a big difference in the quality of our products that no other manufacturer can match.

Latest System Optimization for a Better User Experience

The SR25 firmware is based on Android 9.0, which adds a number of behind the scene features and upgrades to provide more stable operation over previous versions of
Android OS. The use of Android 9.0 ensures the most popular music streaming apps installed via Open APP will be fully compatible with your Astell&Kern player now and
with future app updates.

Astell&Kern customizes Android to provide a fully optimized system and user interface,
designed to give users a smooth, fluid musical playback experience.

 

MQA (Master Quality Authenticated) is an award-winning British technology that delivers the sound of the original master recording.
The master MQA file is fully authenticated and is small enough to stream or download. Visit mqa.co.uk for more information.
Astell&Kern SR25 includes MQA technology, which enables you to play back MQA audio files and streams,
delivering the sound of the original master recording.

Features

Specifications

Features

General Specifications

Model SR25 Body Color Moon Silver Body Material Aluminum Display 3.6inch WVGA (720 x 1,280) TFT LCD Supported Audio Formats WAV, FLAC, WMA, MP3, OGG, APE, AAC, ALAC, AIFF, DFF, DSF, MQA MQA playback Services(Tidal Masters), Local files, External USB, MQA-CD(ripped) 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 11.2MHz), Stereo Output Level Unbalanced 2.0Vrms / Balanced 4.0Vrms (Condition No Load) DAC Cirrus Logic CS43198 x2 (Dual DAC) CPU Quad-Core Decoding Support up to 32bit / 384kHz Bit-to-Bit Playback Input USB Type-C input (for PC & MAC) Outputs Unbalanced Out (3.5mm) / Balanced Out (2.5mm, only 4-pole supported) Wi-Fi 802.11 b/g/n (2.4GHz) Bluetooth V4.2 (A2DP, AVRCP, aptXTM HD, LDAC) Dimensions 2.5 ”(63.5 mm) [W] x 4.26 ”(108.3 mm) [H] x 0.63 ”(16.1 mm) [D] Weight about 6.27 oz (about 178 g) Feature Enhancements Firmware upgrades supported (OTA)

Audio Performance

Frequency Response ±0.014dB (Condition: 20Hz~20kHz) Unbalanced / ±0.011dB (Condition: 20Hz~20kHz) Balanced
±0.10dB (Condition: 20Hz~70kHz) Unbalanced / ±0.12dB (Condition: 20Hz~70kHz) Balanced Signal to Noise Ratio 122dB @ 1kHz, Unbalanced / 123dB @ 1kHz, Balanced Crosstalk -138dB @ 1kHz, Unbalanced / -144dB @ 1kHz, Balanced THD+N 0.0007% @ 1kHz, Unbalanced / 0.0008% @ 1kHz, Balanced IMD SMPTE 0.0004% 800Hz 10kHz(4:1) Unbalanced / 0.0003% 800Hz 10kHz(4:1) Balanced Output Impedance Unbalanced Out 3.5mm (1.8ohm) / Balanced out 2.5mm (1.6ohm)

Clock source

Clock Jitter 25ps(Typ) Reference Clock Jitter 200 Femto Seconds

Battery

Capacity 3,150mAh 3.7V Li-Polymer Battery Continuous Playback Time About 21 hours (Standard - MUSIC: FLAC, 16-bit/44.1kHz, Unbalance, Volume 50, EQ OFF, LCD OFF) Charge Time About 2.5 hours (Standard - 5V/2A Charging)

Memory

Built-in Memory 64GB [NAND] External Memory microSD (Max. 1TB) x1

OS

Supported OS Windows 7,8,10 (32/64bit), MAC OS X 10.7 and up

Delivery

Due to the current Covid-19 restrictions - there may be delays of up to 48 hours to our estimated delivery times.


How will you send my item?

We ship to addresses within the UK using Royal Mail and DPD couriers.

How much does delivery cost?

Standard 2-3 working day delivery is FREE on all orders to mainland UK. Next working day courier service is available on all orders for a small fee of £4.99. On some items this is provided for FREE. 

For orders to UK Non-mainland and International destinations, there will be an additional charge at checkout. Please see below for more information.

How long does delivery take?

Depending on the delivery service you choose, delivery usually takes between 1-3 working days to mainland UK from the moment we despatch your order. Orders to UK non-mainland and international destinations can take longer.

When will you despatch my order?

Orders placed before 4pm are processed and despatched the same day (excluding bank holidays and weekends). Orders placed on weekends will be processed and despatched the following working day.

*Please note that international orders may require extra checks before we are able to despatch your order so timescales may vary.

Can I track my delivery?

Yes - Order tracking is offered as standard on all items, whether they are shipped via DPD or Royal Mail. You will receive your tracking information via email once we have despatched your order. 

UK Non-mainland and International destinations.

Shipping for all items to UK Non-Mainland and International destinations will incur a charge at checkout. If a delivery charge is not applied automatically at checkout, we will contact you to arrange payment and reserve the right to cancel your order if you refuse to pay for appropriate delivery. Please feel free to contact us if you would like to query the prices to your destination.

Shipping to international destinations may require further security checks and I.D. may need to be provided by the cardholder.

Please note that we are unable to ship some items outside the UK. To avoid any disapointment please contact us before making you order.

What do you class as UK Non-mainland?

Rep. Ireland, N. Ireland, Channel Islands, Jersey, Guernsey, Isle of Wight, Isle of Man and Scottish Highlands. If you are unsure whether your address is classed as UK Non-mainland please feel free to contact us and an advisor will be happy to help.

For any further enquiries with regards to your delivery please contact us on 020 8813 7666 and one of our adviser's will be happy to help.

Returns


If you're not happy with your item or you've changed your mind.

Even though we're sure you'll be happy with your purchase, it's important that you are aware of how we deal with returns in the event that you need to send something back.

We understand how inconvenient it can be when you buy a product and aren't 100% satisfied with it. For this reason we have designed our returns policy to prevent any further inconvenience to you in these instances.

Under 14 days

  • You can return your goods for a full refund or exchange as long as you inform us of your intention to return the goods within 14 days of receipt, starting from the day after you receive your goods (Exclusions apply, see below.)

  • All return costs are down to the buyer and it is recommended that you return your items using a trackable method with appropriate insurance (if required).

  • Once we have confirmed your return, please ensure that you return the item within 14 days.

  • If a returns number is provided then please ensure that the parcel has this clearly marked.

  • Items need to be returned in "as new" condition in their original packaging. We don't mind if you open the product to check it, however any used or damaged products will be subject to a 25% handling fee so please take care when opening your items. 

After 14 days

  • We will not offer a refund after 14 days of you receiving your delivery unless your product is faulty. 

Exclusions from our returns policy

As we're sure you'll understand, there are some products that we can't offer returns on due to their nature. These include:

  • Special order items and cables cut from a reel (priced per metre). These items will be clearly identifiable.

  • In-Ear headphones due to health and hygiene reasons.

  • Products that include software which require activation.

 Please note that these exclusions do not apply to items that become faulty.

If your product becomes faulty

We endeavour to get your items to you in fully working order, however in the event that your items do become faulty, please read below on what you should do next.

In a lot of cases with some products, faults can be fixed by performing some basic troubleshooting, so to prevent any further inconvenience to you we advise that you contact our Customer Service team who can guide you through some basic troubleshooting before sending items back.

Under 28 days

  • If your items become faulty within 28 days of delivery you are entitled to a full refund or exchange. Please contact our customer service centre who will provide necessary returns details.

  • Please send the items back with a cover note including a description of the fault and your original order number.

  • Once we have fully tested the item and confirmed the fault, we will process the refund or exchange including cost of carriage back to us (within reason).

  • If during our testing we cannot find a fault, no refund will be given and you will be charged for delivery of the item back to you.

After 28 days

  • After 28 days you will still be able to get your faulty items repaired or replaced within the manufacturers warranty and we will be happy to assist you with this. Please contact our customer service team to find out the best way to get your items repaired or replaced. Please be aware that after 28 days we will not cover you for any carriage costs.