The AC-120 from TOA Electronics is a single rack space dual-channel electronic controller designed for use with the F-120C ceiling speaker. It can also be used to enhance the sound of F-500 and F-600 speakers. It is electronically balanced, has a subwoofer output, and a low-cut switch for the F-120C.
Note:
The AC-120 is not compatible with the "Splash-Proof" speakers in the F-500 and F-600 series.