Bose Professional Bose CVT-MA12 70V/100V Transformer

CVT-MA12 70V/100V Transformer: Puts one or two MA12 columns on a 70V or 100V distributed line. Compatible with one or two MA12 modular column array loudspeakers.

Bose specifies it for indoor or outdoor and measures 6.9 in x 4.6 in x 5.1 in (176 mm x 117 mm x 128 mm). It ships under part numbers 040190 (CVT-MA12, black), 040191 (CVT-MA12, white).