The all new Firestone Audio Fubar III MkII has all the functions of a Digital to Analogue Converter and Headphone amplifier in one simple and easy to use enclosure.

A simple USB connection to your computer (Linux, Mac OS or PC Windows system) and you have high quality sound, through either the headphone output, or the line output to feed into your amplifier or powered speakers.

Use the line outputs to connect to a pair of powered speakers, use the headphone output for personal listening. The Fubar III MkII is the centre piece for your desktop system.

• Amplifier Structure : Coupling capacitor less, Push-Pull with Class-B Structure
• Power Structure : Virtual-Ground power supply
• Line Output : Full line level output bypassing the volume control
• Gain Control : Low (attenuation 20dB) / High (normal)
• Volume Control : Series / shunt mode selectable
• Headphone Impedence : 32 ohm to 600 ohm
• Support Format : 16-bit, 32kHz / 44.1kHz / 48kHz
• Circuit Protect : Over current protect
• USB Chip : TI ¡V PCM2702
• LPF OPAmp : NS ¡V LM4562
• Main OPAmp : TI ¡V OPA2604
• Servo OPAmp : TI ¡V TL072

(1kHz sine wave, 2Vrms output, 16-bit / 48kHz)

• Frequency response 20Hz to 20kHz: 40Hz +0.01dB, 15kHz -0.12dB
• Noise level (1kHz, A-Weighted) : -96.1dB
• Dynamic range (1kHz, A-Weighted) : 96.1dB
• THD% : 0.0018%
• Stereo crosstalk : -90.0dB

• 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

• USB interface (USB V1.1)
• Line Output : 1 of RCA jack
• 1 of 6.4mm phone jack