RCF SUB 15-AX | 15″ Subwoofer – 133 dB | Bluetooth, DSP & 2200 W Amp

Professional 15" Active Subwoofer for Live Sound

The RCF SUB 15-AX is a versatile 15-inch active subwoofer engineered for live sound applications. It combines a powerful 2200-watt Class-D amplifier with advanced digital signal processing for superior bass response and exceptional clarity. Designed for small to mid-sized venues, the SUB 15-AX is ideal for use with 10" or 12" loudspeakers, offering seamless integration and advanced control features to enhance any sound system.

RCF SUB 15-AX Competitive Differences

• 2200W Class-D Amplifier: Provides high efficiency and power output with minimal thermal loss.
• Bass Motion Control (BMC): Advanced woofer management for deep, distortion-free bass.
• Digital Crossover with Presets: Factory-tuned for RCF speakers for optimized performance.
• 2.4-Inch Color Touch Panel: Intuitive navigation for quick DSP adjustments.
• LiveRemote App: Wireless control via iOS and Android devices.
• Durable Polyurea-Coated Cabinet: Multi-ply hardwood construction ensures long-lasting durability.
• Powercon TRUE1 Connector: Sealed AC connection for reliability in demanding environments.
• Cardioid Configurations: Perfect for optimizing subwoofer arrays.

RCF SUB 15-AX Description

The RCF SUB 15-AX is a professional-grade subwoofer designed to deliver impactful bass for live sound systems. Featuring a 15-inch woofer housed in a rugged bass reflex cabinet, it provides frequencies down to 35 Hz with remarkable clarity and precision. Its DSP offers 8-band parametric EQ, time alignment, cardioid configurations, and recallable crossover presets, making it easy to optimize your system for any venue. This subwoofer’s portable design includes ergonomic handles, an M20 threaded pole mount, and a steel grille with sound-transparent foam for added protection. Its compatibility with the RCF LiveRemote App allows for precise wireless control, while the durable polyurea coating ensures it withstands the rigors of live performance.

SUB 15-AX Features

• 2200W Class-D Amplifier (1100W RMS)
• 15-inch woofer with 3.0-inch voice coil
• Bass Motion Control for enhanced bass management
• Digital crossover with presets for RCF speakers
• 2.4-inch color touch display with rotary encoder
• LiveRemote App for wireless control
• Dual XLR/TRS combo inputs and XLR crossover outputs
• Polyurea-coated hardwood cabinet for durability
• Powercon TRUE1 TOP mains connectors
• M20 threaded pole mount for secure speaker placement
• Steel grille with sound-transparent foam backing

SUB 15-AX Specifications

• Acoustical Specifications:
  • Frequency Response: 35 Hz – 120 Hz
  • Max SPL: 133 dB
  • Woofer: 15-inch with 3.0-inch voice coil
• Input/Output Section:
  • Input Signal: Balanced/Unbalanced
  • Input Connectors: Combo XLR/Jack
  • Output Connectors: XLR
  • Input Sensitivity: -2 dBu / +4 dBu
• Processor Section:
  • Protections: Thermal
  • Limiter: Soft Limiter
  • Controls: Volume control and touch screen for parameter management
• Power Section:
  • Total Power: 2200W peak, 1100W RMS
  • Cooling: Convection
  • Connections: Powercon TRUE1 TOP IN/OUT
• Physical Specifications:
  • Cabinet Material: Multi-ply hardwood
  • Handles: One handle per side
  • Pole Mount: M20 threaded
  • Grille: Steel with sound-transparent foam
  • Color: Black or White
• Dimensions and Weight:
  • Height: 23.23 inches (590 mm)
  • Width: 16.54 inches (420 mm)
  • Depth: 23.23 inches (590 mm)
  • Weight: 69.23 lbs (31.4 kg)
• Shipping Information:
  • Package Height: 25.2 inches (640 mm)
  • Package Width: 25.59 inches (650 mm)
  • Package Depth: 18.9 inches (480 mm)
  • Package Weight: 80.47 lbs (36.5 kg)

What's in the Box

• RCF SUB 15-AX Subwoofer
• Powercon TRUE1 AC Connector
• Quickstart Guide