The Spitfire 24 Bit DAC is one of the most popular audio DACs ever. Its excellent sound quality and great price make it the favorite audio DAC for thousands of audiophiles worldwide.
For 2011 Firestone Audio introduces the Spitfire Mk II. The Mk II includes the most commonly requested upgrades, a USB input (to go along with the Optical and Coax inputs) a front mounted power switch and much more!

The 2011 Spitfire Mk II is a premium, hi-end DAC for the discriminating audiophile. This amazing unit has received loads of praise for its outstanding performance and is compared to DACs costing much more. The Spitfire Mk II is an excellent upgrade for your computer and any CD/DVD or other components with a digital output.

The Spitfire features a highly regulated power section that provides excellent, low noise performance. Digital inputs are auto selected via USB, Toslink optical and Digital coaxial.

The new Spitfire Mk II has an elegant, profesional look and completely revised circuitry. The use of premium grade components, masterful engineering and an excellent build quality throughout ensures a component you'll be proud to own and love to listen to.

• Amplifier Structure: Low pass filter with 2Vrms output
  
• Power Structure: Virtual-Ground power supply
  
• S/PDIF D/A Chip: Burr Brown PCM1793: (24 Bit - 96 kHz Max)
  
• Audio Data Receiver: Burr Brown DIR9001 – 96 KHz
  
• USB Chip: Burr Brown PCM2704 (16 Bit - 48 kHz Max)
  
• Opamp: NS - LM4562MA (Fitted in an 8 Pin DIP socket to allow easy Opamp rolling)
  
• Output Voltage: 2 Vrms
  
• Output Impedance: 100 ohms
  
• Audio Performance: S/PDIF (Optical and Coax)
  
• Frequency Response: 10Hz~25Khz ,-1dB at 600 ohms loading
  
• Noise Level: -112.1 dB (1 KHz, A-Weighted)
  
• Dynamic Range: -112.1 dB (1 KHz, A-Weighted)
  
• Stereo Crosstalk: -109.8 dB
  
• THD: 0.004%
  
• Audio Performance - USB
  
• Frequency Response: 10Hz~25Khz ,-1dB at 600 ohms loading
  
• Noise Level: -96.1 dB (1 KHz, A-Weighted
  
• Dynamic Range: -96.1 dB (1 KHz, A-Weighted)
  
• Stereo Crosstalk: -109.8 dB
  
• THD: 0.004%
  
• Inputs: 1 X USB, 1 X Toslink optical, 1 X digital coax (USB priority)
  
• Output: 1 X Gold Plated RCA
  
• Size Size:: 11cm/4.3in(L) x 8cm/3.2in(W) x 5cm/2.0in(H)
  
• Weight: 300g / 10.6oz
  
  Additional Features:
  
• DC amplifier uses no coupling capacitors
  
• Output short / over current protect
  
  Package Includes:
  
• Spitfire Mk II - 24 Bit DAC, 1.5m interconnects, USB cable, Standard Power Supply Unit (100 - 240Vac 0.5A 50/60 Hz, switching type with North American plug), 2mm Allen Key, User Manual