The “Optimizer” switch selectable SSB/CWfilter offers razor sharp filtering with switch-selectable bandwidths (80, 110, 50, 180Hz centered on 750 Hz), steep skirted SSB filtering.

300-3000 Hz tunable 70 dB notch filter. Plug into phone jack. Speaker. Built-in 2-Watt amp.

Headphone jack. 

Use 9-18 VDC or 110 VAC with optional MFJ-1312D


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  • Manufactured by: MFJ

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