PreSonus/Eris Studio 4 2-way active studio monitor with EBM waveguide (1 piece)

ErisStudio4/Height: 254mm, Depth: 184mm, Width: 178mm, Mass: 4kgErisStudio5/Height: 291mm, Depth: 223mm, Width: 203mm, Mass: 5.2kg ErisStudio8/Height: 419mm, Depth: 298mm, Width: 250mm , Mass: 10.1kg