Astell Kern SE300 Digital Audio Player DAP with 256GB Storage Support MicroSD 4.4mm 3.5mm 2.5mm Silver Version
Astell Kern SE300 Digital Audio Player DAP with 256GB Storage Support MicroSD 4.4mm 3.5mm 2.5mm Silver Version
Brand: Astell & Kern
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A&futura SE300 is equipped with an ultra-refined R-2R DAC, Class A/AB dual amps born with our proprietary TERATON ALPHA technology, and for the first time a self-developed FPGA optimized technology. With these unrivaled components, it offers the true sound philosophy and technology of Astell&Kern.
Immerse yourself into the true analog sound that the SE300 produces with Class-A AMP and R-2R DAC technologies, for the first time in an Astell&Kern player.
General Specifications
- 2 Versions: Platinum Silver / Titanium Limited Edition
- Body Material: Aluminum and Stainless Steel
- Display: 5.46inch HD 1080 x 1920 touch screen
- Supported Audio Formats: WAV, FLAC, WMA, MP3, OGG, APE, AAC, ALAC, AIFF, DFF, DSF
- Sample rate: PCM : 8kHz ~ 384kHz (8/16/24/32bits per Sample), DSD : DSD64(1bit 2.8MHz), Stereo / DSD128(1bit 5.6MHz), Stereo / DSD256(1bit 11.2MHz), Stereo
- Output Level: [Normal] Unbalanced 2Vrms │ Balanced 4Vrms (Condition No Load), [High] Unbalanced 3Vrms │ Balanced 6Vrms (Condition No Load)
- CPU: Quad-core
- DAC: Full Discrete R-2R
- Decoding: Support up to 32bit / 384kHz playback
- Input: USB Type-C input (for charging & PC & MAC)
- Outputs: Unbalanced Out (3.5mm), Optical Out(3.5mm), Balanced Out (2.5mm, only 4-pole supported | 4.4m, only 5-pole supported)
- Wi-Fi: 802.11 a/b/g/n/ac (2.4/5GHz)
- Bluetooth: V5.0 (A2DP, AVRCP, Qualcomm® aptX™ HD, LDAC)
- Dimensions: 3.01” (76.45mm)[W] x 5.49” (139.45mm)[H] x 0.69” (17.6mm)[D]
- Weight: About 11.18oz (317g)
- Feature Enhancements: Firmware upgrade supported (OTA)
- Operating Temperature: 0℃ ~ + 40℃ (32℉~ 104℉)
Audio Performance
- Frequency Response
- ±0.038dB (Condition : 20Hz~20kHz) Unbalanced │Balanced
- ±0.45dB (Condition : 20Hz~70kHz) Unbalanced │Balanced
S/N
114dB @ 1kHz, Unbalanced │ 115dB @ 1kHz, Balanced (Normal Gain)
- 115dB @ 1kHz, Unbalanced │ 115dB @ 1kHz, Balanced (High Gain)
Crosstalk
- -135dB @ 1kHz, Unbalanced │ -144dB @ 1kHz, Balanced
THD+N
- 0.006% @ 1kHz, Unbalanced │ 0.006% @ 1kHz, Balanced
IMD SMPTE
- 0.005% 800Hz 10kHz (4:1) Unbalanced │Balanced
Output Impedance
- Unbalanced Out 3.5mm (1.3ohm) │ Balanced Out 2.5mm (1.3ohm), 4.4mm(1.3ohm)
Clock Jitter
- 25pS (Typ)
Reference Clock Jitter
- 500 Femto Seconds
Built-in Memory
- 256GB [NAND]
External Memory
- microSD x1 (Max. 1TB)
Battery Capacity
- 5,050mAh 3.8V Li-Polymer
Charge Time
- about 3.5hours (9V 1.67A Charging)
Playback Time
- about 12hours (Standard : FLAC, 16bit, 44.1kHz, Vol.50, LCD Off, Normal Gain)
Supported OS
- Windows 10,11(32/64bit) MAC OS X 10.7
Place of production
- Korea
FAQs
Frequently Asked Questions
(1) Do you offer FREE shipping worldwide?
Yes! We offer FREE shipping via Airmail Service to major countries including the US, UK, Canada, EU, Australia, New Zealand, Asia, Hong Kong, and Russia. All parcels are dispatched from Hong Kong. Please note that due to the impact of COVID-19, some countries may not be eligible for normal delivery. We are actively monitoring the logistics situation and will expand our delivery destinations as conditions improve.
(2) How long does it take to ship to me?
Once we receive your order and payment confirmation, we will ship your items within the next 48 working hours. Our warehouse in Hong Kong is efficient in processing orders. Here are our estimated delivery times for different regions:
- US / UK: 5 to 9 working days
- EU / Australia / Canada: 7 to 14 working days
- Japan / South Korea: 5 to 9 working days
- South East Asia: 7 to 14 working days
- Hong Kong / Taiwan / Macau: 3 to 5 working days
- Rest of the world (including Russia): 14 to 21 working days
Please note that during the Christmas season, delays may occur due to increased mail volume. For any further questions, please Contact Us.
(3) Which logistic service provider will you use?
We utilize the fastest and most reliable logistic service providers to deliver your parcels, including Hong Kong Post, USPS, DHL, FedEx, UPS, and Aramex.
(4) Do you provide tracking codes for my package?
Yes, our standard shipping method includes a tracking number. You will receive an automatic email with your tracking code after your shipment is dispatched. This code is essential for locating your package through your local post office.
(5) Can I pay in my local currency using PayPal or a credit card?
All our products are priced in US dollars. However, if you use a credit card (VISA, MasterCard, AE, Apple Pay, Google Pay) through Shopify Payments, you can choose to pay in Australian Dollars, British Pounds, Canadian Dollars, Euros, or Hong Kong Dollars as displayed on the product page.
If you opt to pay via PayPal, you can select from a list of common currencies, including Australian, Canadian, Euros, Japanese Yen, and British Pounds. Please note that PayPal's exchange rate may be approximately 2.5% higher than the normal rate. You can also choose to pay in US dollars and let your credit card convert the amount to your local currency at the current rate.
(6) What should I do if PayPal refuses my payment?
PayPal has a high-security standard, and any discrepancies with your billing address may prevent the transaction from going through. Please ensure that your address details are accurate when using PayPal. If you encounter any payment difficulties, please Contact Us for assistance.
(7) What should I do if Shopify Payments does not accept my payment?
Many customers experience issues with the Verified by Visa authentication, which is crucial for bank verification. If you have any payment difficulties, please Contact Us for support.
(8) Do I have to pay sales tax?
No, you do not have to pay any sales tax. Hong Kong does not impose any tax on sales purchases.
(9) Will I have to pay customs duty?
While we cannot be responsible for customs duties imposed by your country, we will do our best to help minimize the risk. However, there is still a possibility that customs duties may apply. Based on our 15 years of experience shipping worldwide, customers in the US, Australia, and New Zealand typically do not face customs tax issues.
(10) Do I have a warranty on the products?
All products we sell are 100% brand new, genuine, and authentic, shipped in their original packaging. Unless otherwise stated, warranties are usually effective only in Hong Kong. To utilize the warranty, you will need to send the product back to us, and we will facilitate repairs through authorized professionals. Please retain the original packaging for warranty purposes, as many distributors require the warranty sticker on the box to honor warranty claims.
(11) What do the voltage ratings (100V, 110V, 240V) mean for me?
Most electronic products today are designed with universal voltages (100V-240V) and can operate in any country. However, some products may have a limited voltage range. Please check the voltage specifications on the product page. Generally, 100V-110V is suitable for the US, Canada, and Japan, while 220V-240V works in Europe, the UK, Australia, New Zealand, and more.
(12) Will the plug work with my country's sockets?
We provide a complimentary travel plug adapter for your country. However, we currently offer only four types of adapters:
- UK type
- US type
- European type
- Australian type
If we cannot identify the appropriate type for your country, we may not be able to provide a suitable plug adapter. Please Contact Us to let us know your requirements.
(13) The price seems very low; are the products genuine?
Rest assured, we only sell new and genuine products in their original packaging at AccessoryJack. We maintain competitive pricing through efficient cost structures and streamlined operations, not by compromising on quality. Customer satisfaction is our top priority.
For further questions, please contact us at Service@AccessoryJack.com.