Meline Series PA System

Meline Series PA System

The Beta Three® Meline series is a series of highly versatile and ultra-compact portable PA systems perfectly suited for DJs, musicians, presenters, and other live performances accommodating up to 300 audiences. All members in the Meline series are lightweight, low-profile, and extremely easy to set up and transport. Innovative DSP onboard allows users to have control over various presets, and users can stream music wirelessly from their smart devices using the Bluetooth technology.

S15 - Professional Active Performance System
S15 - Professional Active Performance System
S15 - Professional Active Performance System
S15 - Professional Active Performance System
S15 - Professional Active Performance System


Professional Active Performance System

β3 Meline S15 is an active two-way 9-unit inverting full-range speaker, specially designed for small touring performance.

Meline S15 is a perfect sound reinforcement solution that can be used quickly and easy setup . Installment and interconnecting can be done with one minute,easily carry with bags. No need extra power amplifier, mixer or any other speakers,one set Meline S15 with MP3, bluetooth and connecting with laptop , you get everything.

It is a high-power, high SPL wooden speaker with one 15" woofer and 8 × 2" full-frequency units and Bi-amp module of CLASS D. Adjustable angle support rod, you can enjoy the most realistic and beautiful sound though it whatever you stand or sit.



  • Compact,small and high SPL

  • Specially designed for small touring performance

  • Portable and easy installation design

  • Max.SPL 125dB (peak)

  • Bi-amp module of CLASS D

  • Bluetooth connection available


Acoustical specifications
Frequency Response(-3db):
Max SPL @ 1m:
Dispersion (H x V):
90° x 40°
Compression driver:
8 × 2" Full-frequency unit
1× 15" Woofer
Input/Output section
Input Connectors:
Three channel balanced input XLR/ 6.35、TRS、RCA
Power section
Total Power:
550W(RMS); 1100W(MUSIC); 2200W(PEAK);
Mid frequencies:
Low frequencies:
Nominal Impedance (Ohm):
Forced air-cooled drives
Voltage range:
AC 220V-230V~, 50Hz/60Hz
Physical specifications
Cabinet/Case Material:
Plywood,column loudspeaker
2 x Wooden handles + 1 x Aluminum handle
Cabinet coated by Polyurethane paint; grille is powder coated ,inside is black cotton
Dimension (W x D x H):
420 x 490 x 2021mm / (16.5 x 19.3 x 79.6in)
Package Dimensions (W x D x H):
720 x 515 x 655mm / (28.3 x 20.3 x 25.8in)
Net Weight:
27.3 kg / 60.2 lb
Gross Weight:
32.55 kg / 71.8 lb

S15 Application

    S15 Installation

      S15 Parts

        S15 Cases

          S15 Collocation



              S15β3 S15 Datasheet 1.0S15  200KB 2022-05-22 02:49:15
              β3_Meline_S15_PA_Chinese_Manualβ3_Meline_S15_PA_Chinese_Manual 1β3_Meline_S15_PA_Chinese_Manual  1045KB 2018-12-10 06:52:10
              β3_Meline_S15_PA_English_Manualβ3_Meline_S15_PA_English_Manual 1β3_Meline_S15_PA_English_Manual  813KB 2018-12-10 06:53:00