These speaker plates are designed to snap into Euromod decorative faceplates available from a number of manufacturers. This speaker module is a double Euromod size - 50mm x 50mm. The terminals have black and red indicators and will accept 4mm banana plugs. At the rear are screw terminals for the fixed wiring eliminating the need for soldering on site. These speaker plates are also available in black (see black speaker plates with four terminals, product code 423019).