Beta3 ΣB115D 15" Bandpass LF Speaker

Rs. 76,490.00

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.

15" Bandpass LF Speaker
The Beta Three® ΣB Series Sub speakers utilise high power low frequency drivers with structurally solid enclosures with bandpass 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 15” high power low frequency transducer
  • Six order bandpass configuration
  • Speakon input connectors
  • Computer aided design to optimise 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


Acoustical Specifications  Frequency Response(-3db): 50Hz-150Hz
Max SPL @ 1m:   125dB/131dB(PEAK)
Transducers  Woofer: 1 x 15" LF
Input/Output section  Input Connectors: 2 x NL4
Sensitivity (1W @ 1m): 99dB
Power section  Total Power:  450W(RMS);
Nominal Impedance (Ohm):
Physical specifications Color:  Black
Size Dimension (W x D x H): 600 x 500 x 460mm / (23.6 x 19.7 x 18.1in)
Package Dimensions (W x D x H):  720 x 610 x 590mm / (28.3 x 24 x 23.2in)
Weight  Net Weight:    29 kg / 63.9 lb
Gross Weight: 33.4 kg / 73.6 lb
Warranty  1 Year



Country of Origin: CHINA

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