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Beta 3®

Beta 3® ES212a/85 400W 12" 2-Way Full Range Powered Loudspeaker

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  • $1,049

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Portable and Installed PA loudspeakers used in applications including sound reinforcement and stage monitoring in houses of worship, events, clubs, rehearsal halls, ballrooms, etc. 


  • 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


  • 1 x 3" HF Compression Driver
  • + 1 x 12" LF

Frequency Response (-3dB): 60Hz-16kHz

Rated Power: 100W HF, 300W LF (RMS)

Amplifier Type: Class H

Sensitivity (1W @ 1m): 120dB

Input Impedance: Balanced 20kΩ, Unbalanced 10kΩ

Rated Impedance: 8Ω

Dispersion (H x V): 80° x 50°

Connector: 2 x XLR

Power Supply: 110V/220V

Net Dimensions: 15.6″ x 14.6″ x 23.6″

Net Weight: 66 lbs.

Gross Dimensions: 19.9″ x 18.9″ x 28.4″

Gross Weight: 77 lbs.