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Firestone Audio Fireye II

Portable USB DAC / Headphones Amplifier

Product Code 45090

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Firestone Audio

The new Fireye II is the "smaller than a deck of cards" headphone amp you'll love for superior audio performance and super convenience. The Fireye II takes the USB signal from your computer and performs a high quality digital to analog conversion. You'll instantly hear improved dynamics and deep musical detail, not to mention a BIG boost in power.

The USB powered Fireye II is always ready for action. The small size makes it perfect for taking on the road. It has the extra power you need to drive your good headphones. You hear your music, CDs and DVDs with increased detail and clarity.

The Fireye II also doubles as a low jitter USB to S/PDIF converter. That's right, the Fireye II lets you to connect an optical cable (to the headphone output jack) and send a digital signal to an outboard DAC or AV Reciever. Play your computer music on your stereo or home theatre system with remarkable fidelity.

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UPC: 000888887298


  • Amplifier Structure: Class A/B
  • Power Structure: USB or Optional 5VDC external power supply (available separately)
  • Headphone Impedance: 32 - 600 Ohms
  • Circuit Protection: Short circuit and temperature protection
  • Support Format: 16-bit, 32 / 44.1 kHz/ 48 kHz
  • USB Chip: CMedia - CM 108
  • DAC Chip: Cirrus - CS4344
  • Main OpAmp: TI - DRV601

Audio Performance with USB Power Supply: (1kHz sine wave, 2Vrms output)
  • Noise Level (1kHz, A - Weighted) : -91.5dB
  • Dynamic range (1 kHz, A - Weighted): 91.7dB
  • THD%: 0.0028%
  • Stereo crosstalk: -89.9dB

Audio Performance - with 5VDC external power supply (1 kHz sine wave, 2Vrms output)
  • Noise level (1 kHz, A - Weighted): -92.9dB
  • Dynamic range (1 kHz, A-Weighted): 92.6dB
  • THD%: 0.0031%
  • Stereo Crosstalk: -92.9dB

  • Input: 1 - mini USB interface
  • Output: 1 - 3.5mm headphone jack (analog), 1 - mini Toslink optical (from headphone jack) (digital)
  • Power Input: USB or DC Jack (5 Volts)

  • Microsoft Windows 2000 (Service Pack 4) or Windows XP (service pack 1) and higher
  • Mac
  • LInux

Package Contents
  • Fireye II USB DAC / Headphone Amplifier unit.
  • USB cable
  • Flannel bag
  • User manual
  • Warranty card

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