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OmniSistem Beta 3 250W 12" Full Range Self-Powered Trapezoid Loudspeaker

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SKU: OmniSistem B3-ES212DA

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Portable and installed loudspeaker used in applications including sound reinforcement and stage monitoring in houses of worship, events, clubs, rehearsal halls, ballrooms. Σ Series delivers extraordinary performance at unmatched value.


  • High sensitivity and SPL
  • 1 x 12" high power low frequency transducer
  • 1 x 3" titanium diaphragm compression driver
  • Built-in power amplifier module
  • Master volume control
  • XLR input and output connectors
  • 120Hz low cut switch
  • 80° x 50° controlled coverage pattern
  • Computer aided design to optimize frequency and phase response
  • Multi purpose cabinet design for FOH or monitor use
  • Suitable for use as a main system with or without sub speaker augmentation
  • Integral 35mm pole mount receptacle for stand or vertical installation
  • Mounting points for permanent installation (wall, ceiling, under balcony)
  • Combine with any ΣB or ΣJ Series high power sub speaker for extended low frequency, high quality music reproduction
  • Powder coated grill
  • Durable Polyurethane textured base paint
  • 2 x XLR connectors


  • Construction: 15mm Birch Plywood
  • Transducers:
    • 1 x 3” HF Compression Driver
    • + 1 x 12” LF
  • Crossover: DSP
  • Frequency Response (-3dB): 60Hz-16kHz
  • Rated Power: 250W (RMS)
  • Sensitivity (1W @ 1m): 97dB
  • Nominal Impedance: 8Ω
  • Dispersion (H x V): 80° x 50°
  • Connector: 1 x NL4
  • Power Supply: 110V/220V
  • Net Dimensions: 15.6″ x 14.6″ x 23.6″

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