Speaker system. The active Install Kit is basically the E 435 Install Kit plus a powered EA 600 with mounting hardware in place of the top mid / high unit. This turns it into an active array that can power either three E 435s or a combination of one E 435 and one E 835. You can adjust an Elements system on mounting yokes 180° horizontally and fix it in place quickly and easily using the two included hex-head screws. Dimensions: 11 x 85 x 17 cm. Weight: 5,6 kg. Colour: Black.