Harman Pro India on X: "The 2216Nd Differential Drive Woofer in the @TheJBLpro M2 is no "off-the-shelf" woofer. Employing nothing less than 5 patented technologies, it allows bass extension to the limits
2216Nd Projects
Bass Driver (2216Nd-1) from JBL Synthesis 4367 Photo #4079220 - Canuck Audio Mart
JBL 4367 | 15" (380mm) 2-way Floorstanding Studio Monitor Loudspeaker