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RCF NX S21A

RCF NX S21A

Active 21-Inch Subwoofer



When you need to project deep basses over long distances, the NX S21-A is just the thing. A 21-inch woofer ensures a frequency range of 30 to 80 Hz, offering the ultimate deep bass. In combination with the NX satellite speakers, you can also be sure of getting the perfect balance.

RCF paid a lot of attention to dimensions when designing the NX S21-A - the more room something takes up, the more it costs, in terms of money, storage and transport. As such, this subwoofer has been designed in such a way that it's no larger than the average 18 version.

A large part of the performance is produced with thanks to Digipro. This subwoofer features a 1,000W Digipro amplified that effortlessly feeds the 21-inch woofer! And the sizeable 4.5-inch voice coil is a force to be reckoned with, as it produces an impressive 135 dB of sound pressure!  

Features:

  • compact 21-inch subwoofer from the NX series 
  • 21-inch woofer with 4.5-inch neodymium voice coil 
  • powerful 1,000W Digipro amp module
  • maximum SPL: 135 dB
  • frequency range: 30 to 80 Hz
  • inputs: stereo combo jack/XLR, unbalanced/balanced
  • outputs: stereo XLR
  • input sensitivity: -2 dBu / +4 dBu
  • crossover frequency: 60 - 80 Hz 
  • protection: thermal, RMS
  • limiter: soft peak limiter
  • controls: volume, crossover, link frequency cut, phase (0/180) 
  • total power of amp module: 1000 W
  • cooling: forced convection cooling via cooling fins
  • power supply: powerCon in/out
  • material cabinet: birch plywood
  • hardware: array strips
  • handles: 4x (sides) 
  • stand adapter: 35 mm
  • colour: black
  • dimensions: 750 x 660 x 700 m
  • weight: 53.2 kg
Brand RCF
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