Do I have to use the banana jack or Speakon connector when running in bridge mode? Yes. Please see the back panel operation diagram in your owner's manual for correct speaker connection procedures. Related articles FMIC Era SWR Owner's Manuals SWR Amp Schematics How does my SWR compare to a similar model by another manufacturer? Can I run my amp without any speaker cabinets connected to it? The SWR® Story