DAS ARCO-24-T - Dual 4-Inch 2-Way Install Loudspeaker (Black)The Arco 24T incorporates two 4" woofers with weather resistant polypropylene cones. High frequency reproduction is handled by a 25 mm neodymium dome tweeter for brilliant highs and balanced performance. An Overload Safety Circuit protects the speakers from damage in case of overpowering. The T versions include a multi tap transformer with variable settings including an 8 ohm bypass position. Optional IP 54 kits for outdoor use are available.