iBasso D-Zero MK2 Headphone Amp and USB DAC

Features:

• Dual Wolfson WM8740 DAC Chips
  
• VIA Vinyl Envy USB 2.0 audio controller, takes up to 24Bit/96kHz digital signal
  
• OPAMP + BUF design, ensures high current output
• Works with Windows PC or MAC computers USB digital signal (USB Soundcard)
  
• Takes OTG audio signal from Android 4.1 or above device, digital signal from iPhone/iPad with camera kit
  
• Works as a DAC + AMP Combo, a standalone AMP, or a standalone DAC (Line out function)
  
• 2-Setting Gain Switch for impedance matching
  
• Rechargeable Li-polymer battery with integrated charging system
  
• 120 hours play time when works as an AMP and 10 hours when used as a DAC
  
• Slim and small with an ultra-portable design

Specifications:

• Power Source: Built-in 4.2V Li-Polymer Battery
  
• Frequency Response: 17Hz~20 KHz +/- 1.0dB (DAC), 17Hz~100 KHz +/- 1.0dB (AMP)
  
• Signal to Noise Ratio: 108dB (DAC), 102dB (Amp)
  
• Total Harmonic Distortion: 0.002%@1kHz/0dB (DAC), 0.003%@1kHz/-10dBV (AMP)
  
• Output Power: Up to 120mW + 120mW into 16ohms
  
• Output Impedance: <0.5ohm
  
• Gain: +3dB/+9dB (AMP)
  
• Battery Life: 120 Hours (AMP), 10 Hours (DAC + AMP)
  
• Battery Charge Time: 5 Hours
  
• External Power Supply: 5V DC
  
• Recommended Headphone Impedance: 8~300ohms
  
• Dimensions (W x H x D): 2.17" x 3.98" x 0.44"
  
• Weight: 95g

Package Contents:

• iBasso D-Zero MK2
• Micro USB Cable
• 3.5mm to 3.5mm Cable
• OTG Cable
• Pouch
• Silicone Strap
• Owner's Manual