Meyer Sound Laboratories, Inc.
2832 San Pablo Avenue
Berkeley, CA 94702
650-R2
Reinforcement
Subwoofer
Operating Instructions
The 650-R2 is designed to be operated as a
system with the Meyer Sound B-2EX Control
Electronics Unit. The B-2EX comprises elec-
tronic crossover, Meyer Sound exclusive
SpeakerSense™ driver protection circuitry, and
amplitude and phase response alignment cir-
cuitry optimized for the loudspeaker.
The Meyer Sound 650-R2 is a high-power sub-
woofer loudspeaker designed to extend the
power bandwidth of Meyer Sound reinforcement
systems to 30 Hz. The system consists of two
18-inch cone drivers in a heavily braced 14 cu.
ft. vented enclosure. The dimensions of the
cabinet are submultiples of 90", the U.S. internal
truck width standard. The cabinet is fitted with
handles and high-density rubber casters.