Do you have a question about the JBL Studio 2 Series and is the answer not in the manual?
Positioning for 290/280/270/230/220 speakers for optimal stereo imaging and soundstage.
Guidance for placing Studio 235C/225C speakers relative to the TV and front speakers.
Placing surround speakers behind the listening position for a 5.1 system.
Placement for side and back surround speakers in a 7.1 system.
Ensure correct polarity (+ to +) to avoid poor stereo imaging and diminished bass.