SP3000
The A&ultima SP3000 is Astell&Kern's flagship portable digital audio player, built around four AKM AK4499EX DACs, a stainless steel 904L body and a 5.46-inch Full HD touchscreen. It suits listeners who want balanced and unbalanced outputs, native DSD512 and Wi-Fi/Bluetooth streaming in a portable player.
- 4x AKM AK4499EX DACs with 2x AK4191 modulators
- Native DSD512 and PCM up to 32bit/768kHz
- Balanced S/N 130dB; unbalanced 126dB
- 3.5mm, 2.5mm and 4.4mm outputs plus optical out
- 5.46-inch Full HD display, 256GB storage plus microSD
- Bluetooth 5.0 with aptX HD and LDAC, Wi-Fi ac
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The SP3000 is a portable music player that uses a dual-circuit design with two AK4191 modulators and four AK4499EX DACs, so digital and analog signals are processed separately. Unbalanced and balanced outputs run on independent audio circuits, and the balanced output is rated at 130dB signal-to-noise ratio. It plays PCM up to 32bit/768kHz and native DSD up to DSD512, and supports MQA.
Sound can be adjusted with six DAC filters, Digital Audio Remaster upsampling, Crossfeed and ReplayGain. A Snapdragon octa-core processor with 8GB of memory drives an Android-based interface on the 5.46-inch 1080x1920 touch display, and a LED volume wheel shows volume and bit-depth information. The body is stainless steel 904L in black and silver; copper, 24K gold-plated and platinum-coated editions are also listed. A French goatskin leather case is included with the standard model.
Outputs are 3.5mm unbalanced, 2.5mm and 4.4mm balanced, and a 3.5mm optical out. Connectivity includes dual-band Wi-Fi, Bluetooth 5.0 with aptX HD and LDAC, a Bluetooth sink mode, wireless file transfer through AK File Drop and a USB Type-C port. Storage is 256GB built in plus a microSD slot.
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Tehnilised andmed
- Bränd
- Astell&Kern
- Mudel
- SP3000
- Kategooria
- Hi-Fi ja kodune heli › Pleierid
Audio
- DAC
- AKM AK4191 x2 (Dual Modulator) & AK4499EX x4 (Dual + Dual DAC)
- Decoding
- Up to 32bit/768kHz bit-to-bit playback
- Sample rate (PCM)
- 8kHz ~ 768kHz (8/16/24/32bits per sample)
- Sample rate (DSD native)
- DSD64, DSD128, DSD256, DSD512, stereo
- Supported formats
- WAV, FLAC, WMA, MP3, OGG, APE, AAC, ALAC, AIFF, DFF, DSF, MQA
- Frequency response (20Hz~20kHz)
- ±0.017dB unbalanced / ±0.021dB balanced
- S/N
- 126dB @ 1kHz unbalanced / 130dB @ 1kHz balanced
- Crosstalk
- -136dB unbalanced / -145dB balanced @ 1kHz
- THD+N
- 0.0006% unbalanced / 0.0004% balanced @ 1kHz
- Output level
- Unbalanced 3.3Vrms / Balanced 6.3Vrms (no load)
- Output impedance
- 3.5mm 0.7ohm, 2.5mm 1.7ohm, 4.4mm 1.6ohm
Outputs
- Unbalanced out
- 3.5mm
- Optical out
- 3.5mm
- Balanced out
- 2.5mm (4-pole) / 4.4mm (5-pole)
Inputs
- USB input
- USB Type-C (charging, PC and Mac)
Connectivity
- Wi-Fi
- 802.11 a/b/g/n/ac (2.4/5GHz)
- Bluetooth
- V5.0 (A2DP, AVRCP, aptX HD, LDAC)
Storage
- Built-in memory
- 256GB [NAND]
- External memory
- microSD x1 (max. 1TB)
Power
- Battery
- 5,050mAh 3.8V Li-Polymer
- Charge time
- About 3.5 hours (QC 3.0)
- Playback time
- About 10 hours (FLAC, 16bit, 44.1kHz, Vol.80, LCD off, low gain)
Physical
- Display
- Full HD 5.46" 1080x1920 touch display
- Body colors
- Black, Silver, Copper, Gold, Platinum
- Dimensions
- 82.4mm (W) x 139.4mm (H) x 18.3mm (D)
- Weight
- Silver, Black: about 493g; Copper: about 505g
Software
- Firmware updates
- OTA (over the air)
- Supported OS (PC connection)
- Windows 10, 11 (32/64bit); Mac OS X 10.7