Το iFi Audio iDSD Valkyrie είναι φορητός DAC/ενισχυτής ακουστικών αναφοράς με υποστήριξη αρχείων PCM 768 kHz, DSD512 και DXD και MQA. Διαθετει Bluetooth aptX Lossless, aptX Adaptive, LDAC, LHDC/HWA, AAC και SBC. Διαθέτει εισόδους USB-C, Coaxial, Optical, Balanced 4.4 mm και Single-Ended 3.5 mm, ενώ οι έξοδοι περιλαμβάνουν Balanced 4.4 mm Pentaconn και S-Balanced 3.5 mm για σύνδεση ακουστικών ή εξωτερικού ενισχυτή.

Εγγυηση Αντιπροσωπειας. Δυνατοτητα δοσεων.

Digital Features

• Quad-stack DAC – 4x DACs in interleaved configuration enables exceptional resolution
• Studio grade Crysopeia FPGA Remastering Engine to up convert PCM and DSD files to DSD512 or DSD1024
• 8 selectable digital filters including JVCKENWOOD's K2HD Technology
• Equipped with Qualcomm's flagship QCC5181 chip featuring Bluetooth 5.4, supports the latest aptX Lossless codec capable
• of streaming lossless CD-quality audio without sacrificing quality
• Ultra-res digital audio – 32-bit/768kHz PCM, DSD512
• Power delivery compatible with QC3.0 support at 20V, and QC2.0 support at 5-12V

Analogue Features

• Astonishing 5,700mW of power (max.) – drives the toughest headphone loads with consummate ease
• Custom bias, EQ and amp circuits for next generation xMEMS headphone driver technology
• XSpace, XBassII, and XPresence – adjust soundstage and frequency response to match your headphones
• Three power modes: Normal, Turbo for low-sensitivity headphones, and Nitro for the most demanding headphones with a
• 19.6V max output
• iEMatch optimises output to suit high-sensitivity in-ear monitors
• Top-grade audiophile circuit components deliver exceptional sonic purity

General Features

• Multiple operational modes – pure DAC, DAC/headphone amp, and preamplifier
• Separated digital and analogue PCBs for minimal crosstalk
• Powered by battery or mains – iPower power supply with Active Noise Cancellation included
• High-capacity 21700 lithium-ion battery configuration provides up to 18 hours of playtime despite extreme amp power
• iFi Nexis compatible for wireless OTA firmware updates
• Supplied with custom-made travel case and Nordic engraved presentation box

Specifications

• Digital Stage
  • Hi-Res Support: Native DSD512 with DSD1024 Remastering
  • PCM: up to 768 kHz
  • Bluetooth Formats: aptX Lossless, aptX Adaptive, aptX, LDAC, LHDC/HWA, AAC, SBC
• Line Stage
  • Line Output Level:
    • Balanced 4.4 mm (fixed): 4.1 V (200 kΩ)
    • Single-Ended 3.5 mm (fixed): 2.05 V (100 kΩ)
    • Single-Ended RCA (variable): 2.0 V (100 kΩ)
    • Single-Ended 3.5 mm (variable): 2.0 V (100 kΩ)
  • SNR:
    • Balanced 4.4 mm (fixed): ≥116 dB(A) @ 0 dBFS
    • Single-Ended 3.5 mm (fixed): ≥114 dB(A) @ 0 dBFS
    • Single-Ended RCA (variable): ≥113 dB(A) @ 0 dBFS
    • Single-Ended 3.5 mm (variable): ≥113 dB(A) @ 0 dBFS
  • DNR:
    • Balanced 4.4 mm (fixed): ≥116 dB(A) @ –60 dBFS
    • Single-Ended 3.5 mm (fixed): ≥114 dB(A) @ –60 dBFS
    • Single-Ended RCA (variable): ≥113 dB(A) @ –60 dBFS
    • Single-Ended 3.5 mm (variable): ≥113 dB(A) @ –60 dBFS
  • THD+N:
    • Balanced 4.4 mm (fixed): ≤0.002% (20–20 kHz)
    • Single-Ended 3.5 mm (fixed): ≤0.002% (20–20 kHz)
    • Single-Ended RCA (variable): ≤0.003% (20–20 kHz)
    • Single-Ended 3.5 mm (variable): ≤0.003% (20–20 kHz)
  • Output Impedance:
    • Balanced 4.4 mm (fixed): ≤205 Ω
    • Single-Ended 3.5 mm (fixed): ≤105 Ω
    • Single-Ended RCA (variable): ≤100 Ω
    • Single-Ended 3.5 mm (variable): ≤100 Ω
• Headphone Stage
  • Headphone Outputs: Balanced 4.4 mm / S-Balanced 3.5 mm
  • Max. Output Power:
    • Balanced: >19.6 V / 640 mW (@ 600 Ω); >13.5 V / 5,700 mW (@ 32 Ω)
    • S-Balanced: >9.8 V / 160 mW (@ 600 Ω); >8.9 V / 2,475 mW (@ 32 Ω)
  • RMS Output Power:
    • Balanced: >12.0 V / 2,250 mW (@ 64 Ω)
    • S-Balanced: >8.5 V / 2,258 mW (@ 32 Ω)
  • xMEMS: 28 Vpp (Balanced 4.4 mm), 22 Ω, 10–14 V DC bias
  • Output Impedance:
    • Balanced: ≤0.3 Ω, Enable iEMatch ≤2.2 Ω
    • S-Balanced: ≤0.2 Ω, Enable iEMatch ≤2.1 Ω
  • SNR:
    • Digital Input: ≥114 dB(A)
    • Analogue 4.4 mm Line Input: ≥120 dB(A)
    • Analogue 3.5 mm Line Input: ≥119 dB(A)
  • DNR:
    • Digital Input: ≥115 dB(A)
    • Analogue Line Input: ≥120 dB(A)
  • THD+N:
    • Balanced: ≤0.004% (@ 2.4 V / 16 Ω, 20–20 kHz)
    • S-Balanced: ≤0.004% (@ 1.27 V / 16 Ω, 20–20 kHz)
  • Channel Separation:
    • Balanced: ≤–88 dB (4 V / 1 kHz @ 600 Ω)
    • S-Balanced: ≤–88 dB (2 V / 1 kHz @ 600 Ω)
• General
  • Gain: 0 dB, 8 dB, 16 dB
  • Frequency Response (–3 dB):
    • Wireless: 20 Hz – 41 kHz (LDAC @ 990 kbps)
    • Wired (Digital): 20 Hz – 90 kHz (USB and S/PDIF Coaxial/Optical)
    • Wired (Analogue): 20 Hz – 46 kHz (Balanced 4.4 mm / SE 3.5 mm)
  • Power Consumption:
    • Nitro: 13 W
    • Turbo: 6.5 W
    • Normal: 3.5 W
    • xMEMS – Nitro: 6.1 W / Turbo: 5.3 W / Normal: 4.6 W
  • Battery: Lithium-polymer 20,000 mAh
  • Power System: USB-C charging (PD/QC3.0 20 V, QC2.0 5–12 V fast charge up to 24 W)
  • Charging Time: 8 h (5 V/2 A), 5 h (9 V/2 A), 4 h (12 V/2 A), 2.5 h (20 V/2 A)
  • Dimensions (W × D × H): 172 × 160 × 30 mm (6.8" × 6.3" × 1.2")
  • Net Weight: 882 g (1.9 lbs)
  • Limited Warranty: 12 months