3.3 LOW END
3.3.1 B18HQ
FRX series can be used with the B18HQ, self-powered flying bass, lowering the combined
system operating range down to 40Hz. The B18HQ is also suitable to short distance sub
application.
3.3.2 MTsub 218
The MTsub218 mkII is recommended for the FRX series
Xcomb configuration. Use 3 MTsub218mkII for three FRX
series in Xcomb mode.
3.3.3 S21
The S21is recommended subwoofer for the FRX series Pole
mounted configuration and Comb configuration.
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AUDIOFOCUS FRX series
USER’S MANUAL