The UK's leading Integrator and Equipment
Installer for the Digital Cinema Industry


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Being part of KELONIK GROUP, KCS division has a wide professional expertise in cinema sound systems, backed by fifteen years of experience and a large customer base worldwide. We are globally represented by our international KCS Distributor Network in the five continents.

Through continuous research and new product development for years, KCS has fulfilled customer demands in terms of optimised features, high performances, variety of models for any market needs, and efficient service.

With the advent of the new 3D digital projection formats, audio systems in movie theatres need to evolve so that the audience can be immersed in the sound field and enjoy a true 3D sound experience.

KCS is highly implicated in the development of such sound systems aimed for Dolby Atmos, Auro 11.1 or similar.


K.C.S. S-2500 and S-2501 two-way speaker systems are high quality sets especially designed for the screen channel in medium sized cinema auditoria. These speaker systems include a direct radiation technology bass cabinet fitted with two 15” Ø woofers. The high frequency section has a compression driver with 4” Ø titanium membrane, 2” Ø mouth and a constant directivity horn.

S-2500 system has a built-in passive crossover with 500 Hz cut frequency,
while S-2501 is designed for biamplified applications and to operate with 500 Hz external electronic crossover.


  • C-215-F.
  • Low Frequency Driver 2 x S-1535.
  • Passive Network F-500/4C.
  • High Frequency Driver S-801.
  • High Frequency Horn S-201.
  • Fixed Mount SP-2F.
  • Adjustable Mount SP-2.

Specifications :

  • Frequency Range (-10 dB): 35 Hz- 20 kHz.
  • Nominal Impedance: 4 Ωhms.
  • Power Capacity Input Power Rating: 700W.
  • Continuous Program: 1400W.
  • Sensitivity 1W/1m: 100 dB S.P.L.
  • Crossover Frequency: 500Hz Passive included.
  • Horizontal Beamwidth: 90º.
  • Horizontal Beamwidth: 40º.
  • Dimensions (H x W x D): 140.5 x 63 x 47 cm.
  • Net Weight: 65 kg.

Download Datasheet

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