The external dimensions of Definitive Technology DI 5.5S is 161.0 x 161.0 x 93.0mm / (6.3125-inch x 6.3125-inch x 3.6250-inch).
The base area of Definitive DI 5.5S is approximately 149.7cm2 / 23.2inch2.
Read our detailed Definitive Technology DI 5.5S Review