Astell&Kern SP4000T
Pairs well with
Astell&Kern SP4000T
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Shipping Information
Most orders placed before 3:00 PM EST are processed and shipped the same business day. In rare cases, fulfillment may take longer due to stock availability, custom modifications, or special-order items.
Expedited shipping options are available at checkout, including Next Day Air, 2-Day, and 3-Day delivery. Most international orders ship via UPS Worldwide for fast and dependable service.
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FAQ’s
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Contact Us
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Product details
Specifications
General Specifications
| Model | SP4000T (PPF52) |
|---|---|
| Body Color | Silver, Copper |
| Body Material | Stainless Steel, Copper |
| Display | 6 inch 2K (2160 x 1080) touch screen |
| Supported Audio Formats | WAV, FLAC, WMA, MP3, OGG, APE, AAC, ALAC, AIFF, DFF, DSF |
| Sample Rate | PCM: 8kHz ~ 768kHz (8/16/24/32 bits per sample) DSD Native: DSD64 (1bit 2.8MHz), Stereo / DSD128 (1bit 5.6MHz), Stereo DSD256 (1bit 11.2MHz), Stereo / DSD512 (1bit 22.4MHz), Stereo |
| Output Level | Unbalanced 4.2Vrms | Balanced 8Vrms (Condition: No Load) |
| CPU | Octa-Core |
| DAC | AKM4191EQ x2 + AKM4499EX x2 |
| Vacuum Tube | RAYTHEON JAN6418 x4 (Quad Tube) |
| Decoding | Supports up to 32bit / 768kHz bit-to-bit playback |
| Input | USB Type-C input (for charging & PC & Mac) |
| Outputs | Unbalanced Out (3.5mm), Optical Out (3.5mm) Balanced Out (4.4mm, only 5-pole supported) |
| AK Cradle Compatibility | Supported |
| Wi-Fi | 802.11 a/b/g/n/ac/ax (2.4/5GHz) |
| Bluetooth | V5.2 (A2DP, AVRCP, Qualcomm® aptX™ HD, LDAC, LHDC, SBC, AAC) |
| Dimensions | 3.37" (85.7mm) [W] x 5.9" (150mm) [H] x 0.76" (19.5mm) [D] |
| Weight | About 19.9oz (565g) |
| Feature Enhancements | Firmware upgrade supported (OTA) |
| Operating Temperature | 0°C ~ +40°C (32°F ~ 104°F) |
Audio Specifications
| Frequency Response | ±0.006dB (Condition: 20Hz~20kHz) Unbalanced | ±0.006dB (Condition: 20Hz~20kHz) Balanced ±0.06dB (Condition: 20Hz~70kHz) Unbalanced | ±0.06dB (Condition: 20Hz~70kHz) Balanced |
|---|---|
| S/N | 124dB @ 1kHz, Unbalanced | 125dB @ 1kHz, Balanced |
| Crosstalk | -136dB @ 1kHz, Unbalanced | -145dB @ 1kHz, Balanced |
| THD+N | 0.0006% @ 1kHz, Unbalanced | 0.0004% @ 1kHz, Balanced |
| IMD SMPTE | 0.0004% 800Hz 10kHz (4:1) Unbalanced | Balanced |
| Output Impedance | Unbalanced Out 3.5mm (0.7Ω) | Balanced Out 4.4mm (1.7Ω) |
Clock Source
| Clock Jitter | 25pS (Typ) |
|---|---|
| Reference Clock Jitter | 200 Femto Seconds |
Storage Capacity
| Built-in Memory | 256GB [NAND] |
|---|---|
| External Memory | microSD x1 (Max. 1.5TB) |
Battery
| Capacity | 7,450mAh 3.8V Li-Polymer |
|---|---|
| Charge Time | About 5 hours (PD3.0 Charging) |
| Playback Time | About 10 hours (Standard: FLAC, 16bit, 44.1kHz, Vol. 80, LCD Off, Low Gain) |
Supported OS
| Supported OS | Windows 10, 11 (32/64bit), Mac OS X 10.7 |
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