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Beta 3®

Beta 3® EB118a 500W 18" Powered Subwoofer

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  • $1,198

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ΣB Series Sub speakers utilize high power low frequency drivers with structurally solid enclosures in classic horn-loaded and band pass configurations. The ΣB Series Sub speakers deliver extended low frequency bandwidth with excellent punch. Suitable for Performing Arts, Auditoriums, Clubs, Houses of Worship, Entertainment Venues and Indoor Sports Facilities.


  • High sensitivity and SPL
  • 1 x 18” high power low frequency transducer
  • Six order band pass configuration
  • Built-in power amplifier module
  • Master volume control XLR input and output connectors
  • Computer aided design to optimize frequency and phase response
  • Stacking locators
  • Suitable for use with any full range or mid/high speaker cabinets for extended low frequency, high quality music reproduction Integral 35mm pole receptacle for mounting full range or mid/high speaker cabinets
  • Durable Polyurethane textured base paint

Construction: 15mm Birch Plywood

Transducers: 1 x 18” LF

Frequency Response (-3dB): 35Hz-250Hz

Rated Power: 500W (RMS)

Amplifier Type: Class H

Sensitivity (1W @ 1m): 100dB

Maximum SPL (1W @ 1m): 133dB

Input Impedance: Balanced 20kΩ, Unbalanced 10kΩ

Rated Impedance: 4Ω

Connector: 2 x XLR

Power Supply: 110V/220V

Net Dimensions: 27.3″ x 22.8″ x 21.2″

Net Weight: 99.2 lbs

Gross Dimensions: 32″ x 32″ x 26″

Gross Weight: 111 lbs