Product Description
The RCF SUB 18-AX is a premium 18-inch active subwoofer designed for modern live sound professionals who demand power, precision, and advanced control. Delivering up to 2200W of Class-D amplification and 135 dB SPL, this subwoofer produces deep, articulate bass ideal for DJs, bands, and small-to-mid-sized venues.
What sets the SUB 18-AX apart is its advanced onboard DSP paired with a full-color touchscreen interface and rotary encoder, giving users fast and intuitive control over system tuning. With Bluetooth® connectivity and the RCF LiveRemote App, you can monitor and adjust settings wirelessly—perfect for optimizing sound from anywhere in the venue.
Its bass-reflex design and high-power 18" woofer ensure efficient low-frequency performance, while features like cardioid mode, delay alignment, and an 8-band parametric EQ provide complete system customization. Built from rugged multi-ply hardwood with a durable polyurea coating, this subwoofer is ready for both touring and installation use.
Key Features
- 2200W Class-D amplifier with high headroom
- 135 dB maximum SPL for powerful low-end output
- 18" high-performance woofer in bass reflex enclosure
- 2.4" color touchscreen with rotary encoder control
- Advanced DSP with crossover, EQ, delay, and presets
- Bluetooth® control via RCF LiveRemote App
- 8-band parametric EQ for detailed sound shaping
- Up to 45 meters of delay for system alignment
- Cardioid mode and L/R balance for flexible configurations
- Dual XLR/TRS combo inputs with link and crossover outputs
- PowerCON True1 Top sealed AC connector
- Rugged multi-ply hardwood cabinet with polyurea coating
Inputs & Outputs
- Inputs: 2 × XLR/TRS combo
- Outputs: 2 × XLR (link / crossover)
Specifications
- Amplifier Power: 2200W Class-D
- Maximum SPL: 135 dB
- Woofer: 18" (457 mm)
- Enclosure Type: Bass reflex
- EQ: 8-band parametric
- Delay: Up to 45 meters
- Connectivity: Bluetooth (RCF LiveRemote App)
- Display: 2.4" color touchscreen
Construction
- Cabinet Material: Multi-ply hardwood
- Finish: Polyurea-coated black
- Connector: PowerCON True1 Top sealed AC
Dimensions & Weight
- Height: 693 mm (27.28")
- Width: 505 mm (19.88")
- Depth: 685 mm (26.97")
- Weight: 42.9 kg (94.6 lbs)
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