Beta3 CSB218A Bass Reflex Cinema Sub-woofer

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CS Series Cinema Speaker
The Beta Three® CS series is specifically designed to provide state-of-the-art cinema solutions developed and manufactured using the latest technology. The CS series comprises two-way, three-way, and four-way screen channel systems as well as surrounds and subwoofers. This series of professional cinema sound systems offer superior-quality audio and extraordinary reliability, just so to ensure every audience in the room receives the complete sound experience

Bass reflex cinema sub-woofer
The Beta Three® CSB218A Cinema Series subwoofer loudspeaker utilises a high power low frequency driver with a structurally solid enclosure. The CSB Series subwoofer loudspeaker delivers extended low frequency bandwidth with excellent punch for Digital Cinema installations.


  • Two transducers subwoofer.
  • High SPL, high sensitivity.
  • Two 18" big power woofers.
  • Computer simulating design provide very good Frequency response and phase feature.
  • Very convenient installation mode.
  • Suitable for THX,DTS and other multi-channel surrounding sound reinforcement in cinema.
  • Suitable for big/mid cinema audio system.
  • Combining with β3 special speaker controller ΣC-2600 can getgood frequency response and phase.
  • Can work with β3 CSR210A, CSR212A, CSR215A,CS3412A, CS3415A when used for high quality music replaying.


Model CSB218A
Transducers 2 x 18"
Frequency Response(-3db) 30Hz-1800Hz
Rated Power 1000W
Sensitivity(1w@1m) 97dB

Maximum SPL(1w@1m)
Rated Impedance

1250 550 800mm

Packaging Dimensions(wxdxh)
1350 650 920mm
Net Weight 105.5kg
Gross Weight 112kg




Country of Origin: CHINA

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