FBT – MITUS121SA 21in ACTIVE SUBWOOFER

The FBT MITUS 121SA, 21in large vented bass reflex subwoofer is the perfect low-frequency extension for the MITUS range and the ideal companion for the FBT MITUS 206LA line array for ground stack applications with optional metal base. The FBT MITUS121SA shall meet the following performance criteria: Frequency response of 29Hz to 100Hz, Maximum SPL of 137dB peak, Class D amplifier 1200W RMS. The FBT MITUS 121SA provides a DSP with 8 presets-cardioid and infra configurations. The FBT MITUS 121SA feature 0.70″ Baltic birch plywood construction covered in a scratch resistant black paint with M20 top-mounted stand adapter and six FBT design aluminium handles. The control panel provides XLR in & link, volume control, preset, delay, phase 0°- 180°, GND lift.

FEATURES:

  • Large vented bass-reflex subwoofer, extremely deep low frequency extension
  • 530 mm (21’’) custom B&C neodymium high excursion subwoofers with 115 mm (4.5’’) coil
  • Frequency response from 29Hz to 100Hz
  • Class D amplifiers delivering 1200Wrms
  • DSP with 8 presets, cardioids and infra configurations, delay
  • Control panel with XLR input and link, volume, presets, delay, phase 0°-180°, ground-lift
  • 18 mm (3/4’’) birch plywood enclosure with large reflex vent free from turbulence, scratch resistant black paint
  • M20 Stand socket and six FBT design aluminium handles
  • Optional 4 swivel-mount casters 80 mm (3.15’’) on request
  • Perfect low-frequency extension for the MITUS range and ideal companion for the MITUS 206LA line array for ground stack applications with optional MT-B206 metal base

SPECIFICATIONS: 

  • Input Connector: Xlr With Loop
  • Power Cord: 5m
  • Net Dimension (Wxhxd): 590x780x760mm
  • Net Weight: 58Kg
  • Maximum Spl Cont/Peak: 133/137 Half-Space dB
  • Transport Dimension (Wxhxd): 805x650x930 mm
  • Dispersion: Omnidirectional HxV
  • Transport Weight: 66.5 kg
  • Input Impedance: 22 Kohm
  • Crossover Frequency: Preset Dependant KHz
  • Ac Power Requirements: 640 Va
  • Built-In Amplifier Lf/Hf: 1200 W Rms
  • Built-In Amplifier Peak Lf/Hf: 2400 W
  • Frequency Response: 29hz-100hz -6dB
  • Low Frequency Woofer: 1×21 – 4.5 Coil Neodymium Inch
  • Configuration: 1 Way

 

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IMORTANT ANNOUNCEMENT

OUT OF OFFICE

Most suppliers are closed for the year from Monday 22nd december.
as such we cannot fulfil any orders which are not in stock at warehouse
until after the 6th january in most casesCollections for stock at our warehouse can be made by special arrangement.We are back in full swing on the 5th january 2026. Thank you for your support in 2025!