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BigJoe III USB DAC and Amplifier

Looking for a simple solution to your desktop audio needs? If you do not want a bunch of boxes with cables everywhere then the BigJoe III is just what you have been looking for.

The all new Firestone Audio BigJoe III amplifier is unique in that it not only offers an analog audio input to accept line level signals from a pre amp, iPod or any other line level device, but it also incorporates a full function DAC with multiple inputs.

No matter if you have optical, coaxial or USB connectivity, BigJoe III will convert your digital signal to clean analogue audio and amplify your audio with 20 watts per channel of class D power.

The front panel features a power light, input selector via a small push button, input selection indicators in the way of four LED's, and a large volume control.

On the rear, you have a USB input, both coaxial and optical S/PDIF digital inputs, a single line level input via a 3.5mm stereo connector, speaker output connectors and an on/off switch.

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BigJoe III Specifications

  • Amplifier Structure : Pure digital signal path, Class-D
  • Power Structure : Soft-Start circuit, Single-supply
  • Power Mode : Stand by and Power on mode, provided with main power switch to shut down
  • Input Select : USB / Coaxial / Optical / Line in
  • Power Output : 8ohm @ 20W (10%THD), 4ohm @ 20W (0.3%THD)
  • Circuit Protect : Output short / over current / over and under voltage / temperature protect

BigJoe III Specs Cont.

  • Characteristic : Built in high quality WIMA capacitor and inductor
  • Reclock : Include Fi-reclock® technology to reduce jitter
  • USB Support Format : 16-bit, 32 / 44.1kHz / 48kHz
  • SPDIF Support Format : 24-bit, 96kHz (MAX)
  • Main Amp : TI - TAS5706
  • ADC Chip : Cirrus - CS5343
  • USB Chip : CMedia - CM102
  • Receiver : TI - DIR9001

BigJoe III Connectivity

  • USB interface (USB 1.1)
  • Digital Input : 1 of coaxial jack
  • 1 of optical jack
  • Line Input : 1 of 3.5mm phone jack
  • Line Output : 2 of RJ45 jack (stereo)

BigJoe III Requirements

  • Any equipment with Line-out or Pre-out function
  • Intel® Pentium® 2, Celeron® 800MHz or higher computer system
  • Microsoft® Windows 2000® (Service Pack 4) or Windows® XP (Service Pack 1)
  • Apple Macintosh running OSX
  • 128MB RAM
  • Available USB port