CSW221 General Purpose Subwoofers

$3,600.00 Excl. GST

Real 3600W RMS power capacity
Clean and deep reproduction from 25Hz to 95Hz
Replaces universal dual 18s with added SPL
Premium custom CELTO Acoustique Driver
Heavy braced, vibration free birch plywood cabinet
Touring grade gloss-free black painting

Out of stock


CSW221 subwoofer is suitable for heavy bass reinforcement for
main PA systems, touring or permanent installations for
small to large stages, indoor or outdoor live performances.
Suitable in spaces like:

  •  FoH
  •  Multi-functional room
  •  Auditorium and Theatre
  •  Pub
  •  Bar
  •  Night club
  •  Commercial announcements

Technical Specifications

Speaker type Multi-purpose vented sub woofer
Power Handling (AES standard) 3600W RMS / 14400W Peak
Nominal impedance 4 ohms
Average sensitivity 102dB / 1W / 1m
Maximum SPL (calculated) 137 dB RMS / 143dB Peak
Frequency response (-6dB no preset) 28~1000Hz
Nominal directivity (-6dB) Omni in usable range
Cabinet material Heavily braced Birch Plywood
Cabinet finish Textured Waterborne Black coating | Acoustic PU foam behind Front grill
Floor monitor use N/A
Flying hardware No
Mounting hardware 2pcs M20 thread socket
LF 21″ CELTO Acoustique 21EX1800 (2pcs)
Woofer Chassis Die Cast Aluminum
Woofer Voice coil diameter 4.5″ / 115mm long throw with DCS cooling system
Crossover No, active mode only
Connectors Genuine NEUTRIK 2pcs Speakon NL4MP
Speaker size (HxWxD) 588x1226x805 mm
Speaker Weight 99kg
Shipping information 112kg | 710x1380x915 mm
Accessories CSW221-SBAG (padded cover bag) | CPC-70 (pole bar with crank) | SUBWHKIT100C (castor wheel kit)
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