RCF SUB 15 AS | 15in - 133dB | High-Power Active Subwoofer for Compact PA Rigs

Powered Subwoofer

The RCF SUB 15 AS is a high-performance 15-inch powered subwoofer designed to extend low-end response in portable and installed PA systems. Offering powerful bass down to 35 Hz, it delivers tight, punchy output ideal for DJs, bands, and live sound engineers looking for clarity and power in a compact form. Its lightweight design, onboard DSP, and rugged cabinet make it easy to transport and deploy in any small to mid-sized venue.

RCF SUB 15 AS Competitive Differences

• Powerful 2200W Class-D amplifier with 133 dB max SPL
• Advanced Bass Motion Control for distortion-free deep bass at all volumes

RCF SUB 15 AS Description

Built with touring-grade components and RCF’s renowned DSP technology, the RCF SUB 15 AS is purpose-built to enhance the performance of 8", 10", or 12" top cabinets. The internal 3” voice coil 15” woofer delivers responsive, distortion-free bass, while the Bass Motion Control algorithm maintains control even at high volumes, eliminating over-excursion and preserving tone. Connectivity is flexible with both mono and stereo combo inputs, stereo XLR link outputs, and selectable crossover outputs for seamless integration into various PA setups. Rear panel controls allow for volume adjustment, polarity switching, and low-pass filter tuning, giving users full command over their low-frequency environment. Constructed from Baltic birch plywood and finished in scratch-resistant polyurea coating, this cabinet is ready for the road. Integrated handles and an M20 pole mount provide easy positioning and installation options for mobile setups. Whether you're running a small club system, mobile DJ rig, or event sound reinforcement, the SUB 15 AS delivers the clean, deep bass that brings every performance to life.

Model Features

• 15” woofer with 3” voice coil for deep, accurate bass
• 133 dB max SPL with 2200W peak Class-D power
• 35 Hz – 400 Hz frequency range with DSP filtering
• Bass Motion Control algorithm ensures clarity at any volume
• Rugged birch cabinet with polyurea coating and steel grille
• Combo XLR/TRS inputs with stereo XLR link and crossover outputs
• Rear controls for volume, polarity, and low-pass filter

Model Specifications

• Max SPL: 133 dB
• Power Output: 2200W Peak
• Frequency Response: 35 Hz – 400 Hz
• Transducer: 15" woofer, 3.0" voice coil
• Input Connectors: Combo XLR/TRS
• Output Connectors: XLR (link and crossover)
• Cabinet Material: Baltic birch plywood
• Mounting: M20 threaded pole mount
• Dimensions: 23.23 x 16.54 x 23.23 in (590 x 420 x 590 mm)
• Weight: 66.14 lb (30 kg)