The all new Firestone Audio BigJoe III amplifier is unique in that it not only offers an analogue audio input to accept line level signals from tape player, 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.

Being Class D it runs efficiently and with very little heat. Compact and powerful, perfect for any desktop audio system.

• Amplifier Structure : Coupling capacitor, Class-D
• Power Structure : Soft-Start circuit, Single-supply
• Gain Control : 20dB / 26dB / 32dB / 36dB selectable
• Power Output : 8ohm @ 20W (10%THD), 4ohm @ 20W (0.3%THD)
• Circuit Protect : Output short / over current / over and under voltage / temperature protect
• Characteristic : Built in high quality WIMA capacitor and inductor
• Main Amp : TI = TPA3100D2

• 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
• 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

• 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)

• 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