The contruction of the 330 is very durable and features Perma-lock terminals, Glass filled high temperature Nylon-Tough front housing, and Polycarbonate rear housing.  Stainless hardware with Wattgate three layer plating process.

15A/125VAC

350i RH rhodium plated IEC plug

• Audio Grade
• Perma-Lock Terminals
• Glass filled high temperature nylon front housing
• Polycarbonate rear housing
• Stainless hardware
• Wattgate Four Layer Plating Process *
• 15A / 125VAC

* Wattgate Four Layer Plating Process:

• Oxygen free copper plating improves conductivity
• Electroless nickel plating; necessary to prevent the leeching of the copper through the pure gold layer
• 24K gold plating; improves conductivity
• Pure Rhodium plating