Sansui AU-555a….Volume Control…..Tested in unit..Working.

Sansui AU-555a…Speaker Connectors ..binding post…..Tested in unit..Working.

Sansui AU-555a…Power Supply Transformer …..Tested in unit..Working.

Sansui AU-555a….Balance Control…..Tested in unit..Working.

Sansui AU-555a….Power Switch..Working..Tested in unit for 5 days.

Sansui AU-555a…Speaker Switch (A or B)…Tested in unit for 5 days.

Sansui AU-555a…Flip Switch Knob..1 pc.

Sansui AU-555a….Mode Stereo/ Mono Switch..