Based on our V2 range of power supplies (PRO 1, PRO 2, SE, Reference & Signature) this DC power supplies utilise a custom designed Fidelity Audio SPower low noise voltage regulator circuit along very low noise voltage reference circuits. Improved circuit design and high quality capacitors and toroidal transformers all housed in a quality Matt Black Hips chassis. Audio Wire 1TP silver plated copper cable is used between PSU and your device as well as internally. 

For the more info on the different psus see here - https://www.fidelityaudio.co.uk/bespoke-linear-low-noise-psus-271-c.asp

Psu specs -

• Upgrade option for psu
• Very low noise Spower derived output
• Very low noise 6 to 18 stage Vref for output control circuit (psu spec related)
• Oscon SVP Capacitors used for precise Vref
• High quality Mundorf / F&T or SLPX Capacitors (psu spec related)
• 50VA  - 120VA Toroidal Transformer (psu spec related)
• 12V 3A Current capable
• DC Plug 5.5mm x 2.1mm
• DC Plug 5.5mm x 2.5mm (Optional)