Soundtraxx 8-Ohm Speakers -- 1/2" Diameter

Soundtraxx Mega Bass Speaker -- 1.10 x 1.10 x 0.44", 8-Ohm

Soundtraxx 8-Ohm Speaker -- 1-3/8 x 7/8" 3.5 x 2.0cm

Soundtraxx Speaker Gasket Kit -- 1-1/8 x 1-9/16" 28 x 40mm pkg(4)