KEF R7 Meta Floorstanding Loudspeakers Colour:Titanium Gloss Output power: 150Watts Ultra linear

Output power:   150Watts Ultra linear or 90Watts in Triode mode

Recommended Power: 50-200w Woofer: 6

So the A21+ is a real all rounder for want of a better phrase

Balanced XLR and RCA left and right preamp outputs

low density polyethylene insulation

KEF R7 Meta Floorstanding Loudspeakers Colour:Titanium Gloss Output power: 150Watts Ultra linearMid sized three way floorstanding speakers The mid sized floorstanding member of the R Series is as powerful as it is flexible. Its 12th generation Uni Q driver array with MAT ensures a crystal clear performance with music and movies alike, while its two 6. 5 hybrid aluminium bass drivers deliver accurate, dynamic bass. An icon born from The Reference A suite of class leading technological innovations drawn from The Reference for exceptional acoustic