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The NX 15-SMA is equipped with new high power 700 W digital amplifier and a newly designed 15” coaxial neodymium transducer that guarantees outstanding audio quality and definition as well as an extremely lightweight of the final system. The NX 15-SMA can be also used as a portable PA system, thanks to the rugged powder coated steel pole mount installed on the side. In order to control the response of the speaker in such different applications, RCF has incorporated two special Equalization Modes:- Floor, for stage monitoring; Free Field, for the use of the speakers as a stand-alone PA system.Cabinet is made in Baltic Birch plywood, finished with an extremely resistant paint for an extensive use on the road.An ergonomic side handle, integrated with the input panel, is provided for an easier transport of the speaker.

More Information

  • 1400 Watt Peak, 700 Watt RMS digital bi-amplification
  • 130 dB max spl
  • 60° x 60° constant directivity horn
  • 15" High power neodymium woofer, 2.5" voice coil
  • 1.7" kapton dome, 1" exit, neodymium high frequency driver
  • DSP processing, floor - fre field equalization, soft limiter and protection
  • Combo xlr/jack input, xlr signal output

Technical Specification


RCF NX 15-SMA Specs
PA Speaker
Configuration Active 2-Way
Total Power Capacity 700 W
Amplifier Power Rating LF:
500 W


200 W
HF Driver 1 x 1" / 51 mm Polyimide Dome Tweeter
HF Voice Coil 1.7" / 44 mm
LF Driver 1 x 15" / 381 mm Woofer
LF Voice Coil 2.5" / 6.35 cm
Magnet HF:


Frequency Response 50 Hz to 20 kHz -3 dB
Maximum SPL 130 dB
Coverage Angle 60° H x 60° V
Input Sensitivity +4 dBu
Protections RMS, Thermal
Audio I/O 1 x XLR 3-Pin Balanced Input
1 x 
1/4" TRS Balanced/Unbalanced Input
1 x 
XLR 3-Pin Male Balanced Output
Signal Processing
Crossover 1.7 kHz
Dynamic Processing Soft Limiter
AC Power I/O 1 x powerCON Input
1 x 
powerCON Output
Mounting 1 x 1.38" / 35 mm Pole Socket
Cooling Convection
Construction Material Metal Grille, Wood
Dimensions 14.2 x 25.6 x 18.4" / 362 x 650 x 468 mm
Weight 43.6 lb / 19.8 kg


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