The FBT MITUS 121S, a 21" big vented bass-reflex passive speaker, is the appropriate low-frequency partner for the FBT MITUS 206L line array for ground stack applications with optional metal base. The FBT MITUS 121S must match the following performance criteria: 29Hz to 250Hz frequency response, 99dB frequency sensitivity, 139dB peak SPL 2000W RMS/4 Ohm power amplifier is recommended. The FBT MITUS 121S has a 0.70" Baltic birch plywood construction with six FBTdesign aluminium handles that are scratch resistant. Two Neutrik NL4 speakon female connectors are provided on the rear-facing input panel.
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