High-Powered 18" Active Subwoofer for Live Sound and Portable PA
The
RCF SUB 18-AS is a professional-grade 18" active subwoofer designed to deliver thunderous low-end performance for small to mid-sized venues. With a powerful 2200W Class-D amplifier and a custom 18" woofer with a 4.0" voice coil, it produces up to 135 dB of clean, controlled bass—ideal for reinforcing 10", 12", or 15" full-range speakers.
RCF SUB 18-AS Competitive Differences
- Massive 2200W peak output with 135 dB SPL for high-headroom bass performance
- Custom 18" woofer with 4.0" voice coil ensures deep, punchy response
- Integrated DSP with Bass Motion Control for extended low-end accuracy
- Mono/stereo combo inputs with XLR stereo link and crossover outputs
- Controls for volume, polarity, and variable low-pass filter
- Tour-ready birch plywood cabinet with scratch-resistant polyurea coating
- M20 threaded pole mount and steel grille for rugged stage use
RCF SUB 18-AS Description
The
RCF SUB 18-AS is a high-performance active subwoofer built to handle the demands of live sound reinforcement. Powered by a 2200W Class-D amplifier and engineered with a premium 18" transducer, this subwoofer achieves a maximum SPL of 135 dB while maintaining deep, clean bass reproduction down to 20 Hz. It's the ideal low-end extension for DJs, bands, portable PA systems, and installed sound setups.
Designed with versatility and protection in mind, the rear control panel includes volume, polarity, and a low-pass frequency selector to fine-tune your system’s response. Built-in DSP with RCF's Bass Motion Control technology ensures optimal performance without distortion or over-excursion, even at high output levels.
Its cabinet is constructed from durable Baltic birch plywood and finished with a tough polyurea coating, offering touring-grade protection against wear and tear. A steel grille, integrated handles, and M20 pole mount further enhance its flexibility for stage and venue use.
SUB 18-AS Features
- 2200W Class-D amplifier
- Max SPL: 135 dB
- Frequency response: 35 Hz – 400 Hz
- 18" woofer with 4.0" voice coil
- DSP with Bass Motion Control
- Combo XLR/TRS inputs with stereo XLR crossover outputs
- Volume, polarity, and low-pass filter controls
- Tour-grade Baltic birch plywood cabinet
- Polyurea coating for scratch resistance
- M20 threaded pole mount
- Steel front grille
SUB 18-AS Specifications
- Frequency Response: 20 Hz – 400 Hz
- Max SPL @ 1m: 135 dB
- Woofer: 1 x 18", 4.0" voice coil
- Input Signal: Balanced/unbalanced
- Input Connectors: Combo XLR/TRS
- Output Connectors: XLR
- Input Sensitivity: -2 dBu / +4 dBu
- Protections: Thermal
- Limiter: Soft limiter
- Controls: Volume, polarity, low-pass filter frequency
- Cooling: Convection
- Power Connections: VDE
- Cabinet Material: Baltic birch plywood
- Handles: 2 side handles
- Pole Mount: M20 threaded
- Grille: Steel
- Color: Black
- Height: 27.28" (693 mm)
- Width: 19.88" (505 mm)
- Depth: 26.97" (685 mm)
- Weight: 82.89 lb (37.6 kg)
RCF SUB18-AS
(RCF SUB 18AS)
