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RCF

NX 915-SMA Active 15-inch 2100W Theater Monitor Speakers, designed specifically to meet the needs of musicians, RCF brand

RCF NX 915-SMA

The price includes tax.

6,670

7,820
RCF Active 15-inch 2100W Monitor Theater Speakers , specifically designed to meet the needs of musicians, model NX 915-SMA The RCF NX 915-SMA Monitor ...
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Weight 27.5 KG
Model Number NX 915-SMA

6,670

7,820
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RCF Active 15-inch 2100W Monitor Theater Speakers , specifically designed to meet the needs of musicians, model NX 915-SMA


  • The RCF NX 915-SMA Monitor is a professional active stage monitor designed specifically for musicians, sound engineers, audio rental companies, and DJs. Featuring a 2100-watt Class-D amplifier, a 15-inch professional woofer, and a 1.75-inch compression driver, it delivers a sound pressure level of up to 131 dB with crisp, clear sound, deep bass, and precise response, ideal for live performances and professional applications.


Technical description:

  • Monitor speaker The RCF NX 915-SMA is based on a Class-D dual-channel (Bi-Amplified) amplifier system with an advanced DSP processor that incorporates FiRPHASE technology for precise phase adjustment and Bass Motion Control (BMC) for managing woofer motion and improving low-frequency performance without the need for traditional High-Pass filters.


  • The speaker features True Resistive Waveguide (TRW) technology, which provides consistent 100° × 70° sound coverage with uniform sound distribution and reduced distortion. It can also be used as a floor monitor, as a stand-mounted main speaker, or with a subwoofer.


Technical specifications:

  • Audio specifications:
  • Product type: Professional active theater monitor headset
  • Frequency response: 45 Hz – 20 kHz
  • Maximum sound pressure level (Max SPL): 131 dB
  • Horizontal coverage angle: 100°
  • Vertical coverage angle: 70°


  • Headphone components:
  • Driver compression: 1 x 1 inch
  • Driver audio coil diameter: 1.75 inches
  • Save: 1 x 15 inch
  • Louver coil diameter: 2.5 inches


  • Amplification system:
  • Amplifier type: Class-D Bi-Amplification
  • Total power: 2100W Peak
  • High frequency power: 700W Peak
  • Low frequency power: 1400W Peak
  • Cooling: by convection


  • Digital Processing (DSP):
  • FiRPHASE Zero Degrees Phase Technology
  • Bass Motion Control (BMC) technology
  • Soft Limiter
  • Thermal Protection
  • RMS protection
  • Crossover frequency: 1600 Hz


  • Connections:
  • Combo XLR / Jack Entrance
  • XLR Link Output
  • Input sensitivity:
  • -2 dBu
  • +4 dBu
  • PowerCON TRUE1 TOP IN/OUT connectors


  • Structure and design:
  • High-strength plywood frame
  • steel protective mesh
  • Side handle and top handle for easy carrying
  • 35mm mounting base


  • Color: Black
  • Dimensions and weight
  • Height: 357.3 mm
  • Width: 705 mm
  • Depth: 456.6 mm
  • Weight: 23.8 kg
  • Total weight: 27.5 kg


Key features:

  • 2100W Peak Class-D Digital Amplifier.
  • Sound pressure level up to 131dB.
  • A professional 15-inch model.
  • A 1.75-inch compression driver provides high clarity.
  • FiRPHASE technology to improve phase accuracy and audio response.
  • Bass Motion Control (BMC) technology for deeper, more controlled bass.
  • True Resistive Waveguide technology for homogeneous sound coverage.
  • It can be used as a floor monitor or a main speaker.
  • FRFR (Full Range Flat Response) sound response is suitable for modern guitar amplifiers and emulators.
  • A sturdy wooden structure designed for intensive use and art tours.


Product summary:

  • The RCF NX 915-SMA Monitor Theater Speaker delivers professional performance, combining power, clarity, and versatility. Thanks to its FiRPHASE and BMC technologies and robust design, it provides a precise and balanced audio experience, whether used as a theater monitor or as a primary speaker for professional sound systems.


Additional features:

  • Suitable for live performances and art tours.
  • Design usable horizontally or vertically.
  • Fanless cooling for increased reliability and reduced noise.
  • PowerCON TRUE1 TOP connectors are resistant to environmental factors.
  • Compatible with SAP and offers professional features.
  • A neutral sonic response ideal for guitarists using Amp Modeler devices.
  • Easy to transport thanks to the built-in handles.
  • High Italian manufacturing quality.


Applications used for the product:

  • Professional theater monitor.
  • Concerts.
  • Live musical groups.
  • DJs (music coordinators).
  • Theaters.
  • Conferences and seminars.
  • Places of worship.
  • Audio system rental companies.
  • Main audio systems (FOH).
  • Outdoor shows.
  • Studios and live performances.
  • Use with guitar amplifier simulators (FRFR).


Summary and final advice:

  • If you are looking for monitor headphones Powerful and versatile, the RCF NX 915-SMA is an ideal choice for professional use. It delivers 2100 watts of power, a sound pressure level of up to 131 dB, a 15-inch woofer, FiRPHASE and Bass Motion Control technologies, a neutral FRFR response, and a durable wooden frame, making it suitable for theaters, concerts, bands, and professional applications demanding the highest levels of performance and reliability.