FSA FIREYE2 Micro Headphone Amplifier with USB DAC

FSA FIREYE2 Micro Headphone Amplifier with USB DAC Fireye II is a Portable USB Audio Amplifier. Fireye II is a Amplifier which has functions of USB Audio Device and Headphone Amplifier.Fireye II is light and handy so it is convenient to put everywhere to use. The shell of Fireye II is made of aluminum looks very high-quality. Only two steps of use can enrich the music and enhance the quality of sound. Specifications: Amplifier Structure: Class-A / B amplifier Power Structure: USB or external power supply Headphone Impedence: 32 ohm to 600 ohm Circuit Protect: Output short / temperature protect Support Format: 16-bit, 32 / 44.1kHz / 48kHz USB Chip: CMedia - CM108 DAC Chip: Cirrus - CS4344 Main OPAmp: TI - DRV601 Audio Performance: USB power supply (1kHz sine wave, 2Vrms output) Frequency response (From 40Hz to 15kHz): 40Hz +0.01dB, 15kHz -0.15dB Noise level (1kHz, A-Weighted): -91.5dB Dynamic range (1kHz, A-Weighted): 91.7dB THD%: 0.0028% Stereo crosstalk: -89.9dB Audio Performance: external power supply (1kHz sine wave, 2Vrms output) Frequency response (From 40Hz to 15kHz): 40Hz +0.03dB, 15kHz -0.62dB Noise level (1kHz, A-Weighted): -92.9dB Dynamic range (1kHz, A-Weighted): 92.6dB THD%: 0.0031% Stereo crosstalk: -92.9dB Connectivity: mini USB interface (USB 1.1) Power Input: 1 of DC jack Line Output: 1 of 3.5mm phone jack (with optical output) System Requirements: Intel® Pentium® 2, Celeron® 800MHz or higher computer system Microsoft® Windows 2000® (Service Pack 4) or Windows® XP (Service Pack 1) 128MB RAM Available USB port In the Box: Fireye II USB wire Flannel sets User manual Warranty card