JBL Control 128WT ais which can be changed by

which can be changed by simultaneously pressing the bypass and sustain stomp switches

this can self-oscillate at higher settings

while the Attack switch toggles between a vintage-style slow attack time and a modern fast attack time

The main difference is that they chose to go with a pressed cone as opposed to a lapped

1 mm negative center 9V adapter)

JBL Control 128WT ais which can be changed byJBL CONTROL 128WT. The Control 128WT is a premium in wall speaker within the JBL Professional Control Contractor line designed for applications such as foreground music, boardrooms, reception areas, airports, convention centers, cruise ships, retail outlets, restaurants, museums, surround locations, or any critical listening application where top performance from a loudspeaker with minimal visual impact is required. Features: Components: 200 mm (8 in)