U Series Plastic Speaker

U Series Plastic Speaker

The Beta Three® U series is a series of plastic professional speakers ideally suited for a wide range of portable and installed applications. The U series offers a collection of full-range speakers in various sizes and preferences (passive, active, MP3 player). The U series utilizes a rotatable horn and is highly versatile. It can be used as a main PA or as a stage monitor for sound reinforcement in applications including Houses of Worships, nightclubs, banquet halls, multifunctional halls, and other venues. The optional weatherproof version allows the U series to have optimal performance in both outdoor/indoor applications.

U15 - 15" Two Way Full Range Plastic Speaker
U15 - 15" Two Way Full Range Plastic Speaker
U15 - 15" Two Way Full Range Plastic Speaker
U15 - 15" Two Way Full Range Plastic Speaker


15" Two Way Full Range Plastic Speaker

Portable and installed plastic loudspeakers used in applications including sound reinforcement in Front of House and Foldback applications in Houses of Worship,Events, Clubs, Rehearsal Halls etc. The U Active Series delivers extraordinary performance at unmatched value. 


  • Weatherproof version available
  • High output SPL and sensitivity
  • 1 x 15” high power transducer with 50mm voice coil
  • 1 x 1.7” diaphragm compression driver
  • Rotatable Horn: 50º-100º x 55º controlled coverage pattern
  • Heavy duty protective grill
  • Injection molded
  • 2 x NL4 connector
  • Cabinet design for FOH and Monitor use
  • Suitable for use as a main system with or without sub speaker augmentation
  • Portable system (stand), or permanent installation (wall, ceiling)
  • Arrays with all active high power U Series sub speakers for extended low frequency, high quality music reproduction
  • Monitor kit - optional


Acoustical specifications
Frequency Response(-3db):
Max SPL @ 1m:
Dispersion (H x V):
50-100° x 55°
Compression driver:
1 x 1.7" HF
1 x 15" LF
Input/Output section
Input Connectors:
2 x NL4
Sensitivity (1W @ 1m):
Power section
Total Power:
300W(RMS); 600W(MUSIC); 1200W(PEAK);
Nominal Impedance (Ohm):
Physical specifications
Cabinet/Case Material:
Polypropylene injection moulding
8 x M8 hanging point, SMART pole mount system
Two side, one rear
Powered coated grill
Dimension (W x D x H):
485 x 460 x 700mm / (19.1 x 18.1 x 27.6in)
Package Dimensions (W x D x H):
545 x 515 x 800mm / (21.5 x 20.3 x 31.5in)
Net Weight:
26 kg / 57.3 lb
Gross Weight:
28 kg / 61.7 lb

U15 Application

    U15 Installation

      U15 Parts

        U15 Collocation



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