JBL 4309 

6,5-inch cast-frame, pure pulp cone woofer with 1,5-inch voice coil

2410H-2 1-inch Teonex compression driver with advanced HDI geometry

Adjustable high-frequency attenuator

Bass-reflex design with dual front firing ports

Perfectly suitable as LCR in cinema installations

Black (with Black grill) or Walnut (with Blue grill) wood grain with blue baffle •Dimensions (HxWxD): 419mm x 260mm x 227m

For more info’s:

https://hifi.be/artikel/31005/Review-JBL-4309-monitor-slecht-nieuws-voor-de-buren.html