R Series Line Array

R Series Line Array

The Beta Three® R series is a series of compact line array loudspeaker system perfectly suited for various installed sound applications, including Houses of Worship, theme parks, multifunctional halls, auditoriums, schools, and many other venues. The R series is a complete sound reinforcement system comprises of 4 full-range speakers and a subwoofer designed with ease to set up and operate.

R5/R15a - Compact Active Line Array System
R5/R15a - Compact Active Line Array System


Compact Active Line Array System

The R5/R15a line array system consists of  four R5 satellites and a R15a self-powered subwoofer. Thanks to its self-powered feature and compact size, R5/R15a is a plug and play line array system which is really easy to transport and install. These features and its power output make it a perfect choice for small and medium installations, such as conference rooms, auditorium, school, House of Worship, shopping-malls, etc. R5/R15a is made in high density plywood and it is available in two colours: black and white. Up to 1 x R15a + 8 x R5 can bt flown together. 


  • Great flexibility in shaping array curvature
  • Adjustable angles from 0 to 10 degrees in 1.5" increments
  • Integrated amplifier & DSP modules
  • 300W + 500W amplifier
  • The built-in DSP allows control over each cluster at frequency  response, crossover point, slope, delay, gain  and limit
  • Perfect choice for small & medium applications
  • School, Live show, House of Worship, Multi-functional auditoriums


Acoustical specifications
Frequency Response(-3db):
Max SPL @ 1m:
Dispersion (H x V):
90° x 10°
Transducer Driver:
R5: 1 x 1.7" HF + 2 x 5" LF;R15a: 1 x 15" LF
Input/Output section
Input signal:
Balanced 20kΩ, Unbalanced 10kΩ
Input Connectors:
R5: 2 x NL4; R15a: 1 x NL4 + 4 x XLR
Power section
Total Power:
R5: 300W(8Ω); R15a: 500W(4Ω)(RMS);
Voltage range:
AC 220V-240V~, 50/60Hz (or AC 110V-120V~, 50/60Hz)
Physical specifications
Dimension (W x D x H):
R5: 350 x 245 x 645; R15a: 650 x 625 x 665; flying fram: 553 x 115 x 578
Package Dimensions (W x D x H):
R5: 350 x 245 x 645; R15a: 540 x 551 x 430; flying frame: 675 x 200 x 655
Net Weight:
62 kg / 136.7 lb
Gross Weight:
69 kg / 152.1 lb

R5/R15a Application

    R5/R15a Installation

      R5/R15a Parts

        R5/R15a Cases

          R5/R15a Collocation



              R5/R15aβ3 R5/R15a Datasheet 1.0R5/R15a  200KB 2022-07-05 03:34:51
              Brochure_R5/R15a Brochure_R5/R15a 1.0Brochure_R5/R15a   573KB 2018-07-12 02:25:39
              β3_R5,R15a_PA_Chinese_Manualβ3_R5,R15a_PA_Chinese_Manual 1β3_R5,R15a_PA_Chinese_Manual  12965.77KB 2018-07-12 02:25:39
              β3_R5_R15a_PA_English_Manualβ3_R5_R15a_PA_English_Manual 1β3_R5_R15a_PA_English_Manual  12574.48KB 2018-07-12 02:25:39