NX 45-A, Active Two-Way Speaker

NX 45-A, Active Two-Way Speaker



Experience unparalleled flexibility and pristine sound quality with the RCF NX 45-A active speaker. With its 1400W 2-way class-D amplifier, 15" neodymium woofer, and horn-loaded compression driver, this speaker delivers high-power, transparent sound reproduction for a variety of applications, from FOH systems to stage monitors.
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The RCF NX 45-A sets a new standard as an active speaker designed to meet the demands of rental companies and professional musicians alike. With its versatile functionality, this speaker is equally at home as a standalone FOH system, a satellite speaker paired with a subwoofer, or as a stage monitor or fill speaker.

Boasting a 1400W 2-way class-D amplifier, the NX 45-A delivers high-power, pristine sound across a wide frequency range from 45Hz to 20kHz. Its 15″ neodymium woofer with a 3.5″ voice coil and horn-loaded 4.0″ neodymium compression driver ensure exceptional performance in any application.


  • 1400W 2-way class-D amplifier
  • 133 dB SPL Max
  • 45 – 20000 Hz Frequency Range
  • 90° x 50° constant directivity coverage
  • 15″ neodymium woofer with 3.5″ voice coil
  • Horn-loaded 4.0″ neodymium compression driver
  • Multiple rigging points
  • Designed with RCF’s proprietary FiR technology for transparent sound and minimal latency
  • High-performance compression drivers with pure Titanium diaphragms for superior impulse response and efficiency
  • Direct Drive technology for minimized distortion and extended low-frequency range
  • Class-D power amplifiers for lightweight design, fast transient response, and efficient operation
  • Solid mechanical aluminum structure for stability during transportation
  • SMPS power supply section for maximum output and minimum transportation weight

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