ΣS Series Wood Speaker

ΣS Series Wood Speaker

The Beta Three® ΣS series is a series of compact professional speakers perfectly suited for various portable and installed applications. It is incredibly lightweight and compact, easy to set up and operate, and complemented by its distinct feature of being used as a PA system or a stage monitor. The ΣS series is specially designed for applications including Houses of Worship, banquet halls, nightclubs, ballrooms, and many other venues demanding extraordinary acoustic performance.

ΣS208/50 - 8" Two Way Full Range Speaker
ΣS208/50 - 8" Two Way Full Range Speaker
ΣS208/50 - 8" Two Way Full Range Speaker
ΣS208/50 - 8" Two Way Full Range Speaker
ΣS208/50 - 8" Two Way Full Range Speaker


8" Two Way Full Range Speaker

Portable and Installed PA loudspeakers 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 SPL and sensitivity
  • 1 x 8” high power low frequency transducer
  • 1 x 1” PEI diaphragm compression driver
  • Passive configuration
  • 140º x 140º wide angle coverage pattern
  • I x NL4 connector
  • Computer aided design to optimise frequency and phase response
  • Multi purpose cabinet design for FOH or monitor use
  • Use as a main system with or without sub speaker augmentation
  • Suitable for speech and background music
  • Flexible and easy-to install configurations (wall, ceiling, under balcony)
  • U bracket included
  • 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, white available
  • 1 x NL4 connector included in packaging


Acoustical specifications
Frequency Response(-3db):
Max SPL @ 1m:
Dispersion (H x V):
140° x 140°
Compression driver:
1 x 1" HF Compression Driver
1 x 8" LF
Input/Output section
Input Connectors:
1 x NL4
Sensitivity (1W @ 1m):
Processor section
Crossover frequencies:
Power section
Total Power:
100W(RMS); 200W(MUSIC); 400W(PEAK);
Nominal Impedance (Ohm):
Physical specifications
Dimension (W x D x H):
258 x 247 x 408mm / (10.2 x 9.7 x 16.1in)
Package Dimensions (W x D x H):
617 x 337 x 508mm / (24.3 x 13.3 x 20in)
Net Weight:
8.2 kg / 18.1 lb
Gross Weight:
22 kg / 48.5 lb

ΣS208/50 Application

    ΣS208/50 Installation

      ΣS208/50 Parts

        ΣS208/50 Collocation



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