NX S21-A High Power Subwoofer
Compact and powerful, the NX S21-A offers the performance of a 21" subwoofer in a package not much larger than a typical 18" sub.

The NX S21-A is a compact, high power active subwoofer system containing a neodymium magnet 21" woofer in a front-loaded, vented enclosure
Features
- 4.5" voice coil high power 21" neodym. woofer
- 1000W digital amplifier: lightweight and compact
- Large port area for reduced distortion
- Stereo professional XLR line and 1/4" inputs (Combo) with loop through
- Powercon Input/Output
- Pole mount, stacking ready, wheels, aluminium side handles
Applications
- Live sound
- Music playback and sound reinforcement in mid-size venues.
- Live performance systems and sound system rental.
- Portable PA, clubs, ballrooms, corporate AV, live theatre, houses of worship, theme parks
Acoustical Specifications
Frequency Response: |
30 Hz - 80 Hz |
Max SPL: |
135 dB |
Woofer: |
21"neo, 115 mm voice coil |
Input Section
Input connector: |
Stereo combo xlr-jack |
Output connector: |
Stereo xlr |
Input sensitivity: |
+ 4 dBu |
Processor Section
Crossover frequencies: |
60 Hz /80 Hz |
Protections: |
Thermal, rms |
Sensitivity control: |
Yes |
Limiter: |
Soft peak limiter |
Controls: |
Side/floor, contour |
Phase switch: |
Yes |
Controls: |
Xover/link, frq. cut |
Amplifier
Total power: |
1000 Watt |
Low frequencies: |
1000 Watt |
Cooling: |
Convection |
Connection: |
Powercon in/out |
Physical Specifications
Height: |
750 mm |
Width: |
660 mm |
Depth: |
700 mm |
Weight: |
53.2 kg |
Cabinet: |
Baltic Birch |
Hardware: |
Stacking fittings |
Handles: |
4 on side |
Pole Mount/Cap: |
Yes |