Xi Series Wood Speaker

Xi Series Wood Speaker

The Beta Three® Xi series is a series of compact two-way professional speakers housed within a premium birch plywood enclosure. The Xi series is specially designed with the latest technology to optimize phase response, and it provides an incredibly high-power output with low distortion and a flat frequency response in various applications demanding extraordinary acoustic performance.

X15i - 15" Two-Way Full Range Speaker
X15i - 15" Two-Way Full Range Speaker


15" Two-Way Full Range Speaker

The Beta Three® X15i is a 2-way full range high performance loudspeaker for small venues, or for augmenting large venues. They are excellent for live, rental and portable sound reinforcement applications. The Xi Series delivers extraordinary performance at unmatched value. X15i also can be used with the X18Bi subwoofer to get a high quality full range system. 


  • Very high output SPL and sensitivity
  • 1 x 15” high power transducer
  • 1 x 3” HF magnalium compression driver
  • 90º x 60º coverage pattern
  • 2 x NL4 connectors
  • Computer aided design to optimise frequency and phase response
  • Cabinet design for FOH use
  • Suitable for use as a main system with or without sub speaker augmentation
  • Can be arrayed with other boxes
  • Arrays with any high Beta Three® high powered subwoofer speaker
  • Powder coated grill
  • Durable Polyurethane textured base paint
  • For optimum performance use with a Beta Three® a digital speaker management processor
  • 2 x NL4 connectors included in packaging


Acoustical specifications
Frequency Response(-3db):
Max SPL @ 1m:
Dispersion (H x V):
90° x 60°
Compression driver:
1 x 3" HF Compression Driver
1 x 15" LF
Input/Output section
Input Connectors:
2 x NL4
Sensitivity (1W @ 1m):
Processor section
Crossover frequencies:
Power section
Total Power:
500W(RMS); 1000W(MUSIC); 2000W(PEAK);
Nominal Impedance (Ohm):
Physical specifications
Cabinet/Case Material:
15mm Birch Plywood
6 x Steel hanging point
Cabinet coated by Polyurethane paint; grille is powder coated
Dimension (W x D x H):
480 x 460 x 696mm / (18.9 x 18.1 x 27.4in)
Package Dimensions (W x D x H):
590 x 570 x 816mm / (23.2 x 22.4 x 32.1in)
Net Weight:
37.5 kg / 82.7 lb
Gross Weight:
40 kg / 88.2 lb

X15i Application

    X15i Installation

      X15i Parts

        X15i Collocation



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