Sold with a 36 MONTH Return to Base Warranty from RCF
The RCF SUB 18-AS is a high-performance active subwoofer engineered for live sound and portable audio systems. Delivering a staggering 2,200 Watts of Class D amplification, it produces a maximum sound pressure level of 135 dB, ensuring thunderous low-end response with clarity and depth. This 18-inch subwoofer is equipped with a 4-inch voice coil and enhanced by RCF’s advanced Bass Motion Control technology, eliminating the need for traditional high-pass filters and enabling clean, extended bass performance at all volume levels. Designed for touring and mobile use, the cabinet is constructed from robust birch plywood with a durable polyurea coating, ensuring reliability on the road. Input options include stereo/mono combo XLR/TRS and stereo XLR crossover outputs for flexible system integration. Compact yet powerful, the SUB 18-AS is an ideal match for loudspeakers ranging from 10 to 15 inches, making it the ultimate solution for DJs, live performers, and venue owners seeking consistent, high-quality bass reinforcement.
High Output and Precision Control
Designed for precision and power, the SUB 18-AS features an 18-inch transducer with a 4.0-inch voice coil that handles significant power with minimal distortion. The unique magnetic circuit topology maintains consistent performance while reducing modulation. Rear panel controls allow users to fine-tune the output using volume adjustment, polarity switching, and selectable low-pass filters. With a peak SPL of 135 dB, it delivers the kind of low-end definition required for both professional live shows and high-energy DJ sets.
Smart Connectivity and Integration
The input and output section is designed to offer maximum flexibility. Featuring mono/stereo combo XLR and TRS inputs, stereo XLR link outputs, and XLR crossover outputs, the SUB 18-AS fits seamlessly into a wide range of PA systems. Whether operating solo or as part of a larger system, users can easily route and control signal flow. This makes it ideal for small to mid-sized venues, mobile DJs, and audio rental setups seeking an adaptable and professional subwoofer solution.
Road-Ready Design and Durability
Every detail of the SUB 18-AS is crafted for real-world use. From its ergonomic side handles to the M20 threaded pole mount, the enclosure allows for simple and secure setups. The birch plywood cabinet, finished with durable polyurea coating, resists knocks and wear during transport. The steel grille with internal foam backing protects the components from dust while preserving acoustic transparency. At just 37.6 kg, it balances portability with robust construction, making it ideal for life on the road.
Features
- 2200 Watt Class D Amplifier:
Delivers extreme sound pressure with rapid transient response and efficient thermal management, ensuring reliable performance without the need for a cooling fan. - Bass Motion Control (BMC):
Advanced woofer excursion management offers deeper bass and improved sound integrity without the phase issues introduced by traditional high-pass filters. - Tour-Grade Cabinet Construction:
Crafted from birch plywood with a scratch-resistant polyurea finish, the SUB 18-AS is built to endure rugged use while remaining portable and stackable.
Specifications
- Frequency Response: 20 Hz to 400 Hz
- Maximum SPL @ 1m: 135 dB
- Woofer: 1 x 18", 4.0" voice coil
- Input Signal: Balanced/Unbalanced
- Input Connectors: Combo XLR/Jack
- Output Connectors: XLR
- Input Sensitivity: -2 dBu / +4 dBu
- Protections: Thermal
- Limiter: Soft Limiter
- Controls: Volume, Polarity, Low pass filter frequency
- Total Power Output: 2200 W Peak
- Cooling: Convection
- Connections: VDE
- Cabinet Material: Baltic birch plywood
- Handles: 2 side-mounted
- Pole Mount: M20 threaded socket
- Grille: Steel with internal foam
- Colour: Black
- Height: 693 mm / 27.28 inches
- Width: 505 mm / 19.88 inches
- Depth: 685 mm / 26.97 inches
- Weight: 37.6 kg / 82.89 lbs
- Package Dimensions: 735 x 745 x 565 mm
- Package Weight: 44 kg / 97 lbs
