RCF SUB 8008-AS – Professional Dual 18" Active High Power Subwoofer
The RCF SUB 8008-AS is a flagship professional active subwoofer designed for large-scale live sound reinforcement, touring systems, DJs, clubs, and rental production companies. It delivers extreme low-frequency performance, very high SPL output, and advanced DSP control in a rugged dual 18-inch enclosure built for demanding professional use.
This model sits at the top of RCF’s portable subwoofer range, offering massive headroom and deep bass extension for high-energy environments such as festivals, arenas, and outdoor events.
Extreme Bass Output and Maximum Headroom
The SUB 8008-AS features two high-power 18-inch woofers with 4-inch voice coils, driven by a 4400W Class-D bi-amplification system. This enables extremely high sound pressure levels while maintaining controlled, precise low-frequency response even at high volume levels.
With a maximum SPL of up to 137 dB, it is engineered to deliver impactful sub-bass energy capable of filling large venues and open-air environments.
Key Features
- Dual 18-inch active subwoofer
- 4400W Class-D bi-amplification system
- Maximum SPL up to 137 dB
- Frequency response: 30 Hz – 120 Hz
- 2 × 18” high-power woofers with 4” voice coils
- Bass Motion Control technology for optimized low-frequency performance
- Selectable DSP presets (including punch and deep modes)
- Cardioid configuration support for controlled bass dispersion
- Output delay control for system alignment
- Heavy-duty Baltic birch plywood touring cabinet
Advanced DSP and System Flexibility
The SUB 8008-AS includes a fully DSP-controlled input section with system tuning features such as crossover selection, phase switching, delay adjustment, and multiple presets for different performance styles.
It also supports cardioid configurations, allowing engineers to control bass dispersion on stage and reduce unwanted rear energy in live environments.
Official RCF specifications confirm its 4400W amplification system, dual 18-inch design, 30 Hz low-frequency response, and 137 dB maximum SPL capability. :contentReference[oaicite:0]{index=0}
Tour-Grade Construction
The enclosure is built from rugged multi-ply hardwood and finished with a durable polyurea coating designed for heavy touring use. Despite its power, the cabinet is designed for stacking and transport efficiency in professional sound systems.
Integrated handles, M20 pole mounts, and robust internal bracing make it suitable for demanding live sound applications and frequent road use.
Professional Applications
The SUB 8008-AS is intended for large-scale professional audio environments such as festivals, stadium concerts, touring productions, and high-output DJ systems. It is commonly used when maximum bass impact and system scalability are required from a portable dual 18-inch subwoofer.
It is widely regarded as one of RCF’s most powerful portable subwoofer solutions, bridging the gap between compact single-18" systems and full flown touring sub arrays.
Specifications
- Type: Active subwoofer
- Configuration: 2 × 18-inch woofers
- Amplifier Power: 4400W peak
- Maximum SPL: 137 dB
- Frequency Response: 30 Hz – 120 Hz
- Inputs/Outputs: XLR
- DSP: Crossover, phase, delay, presets, cardioid mode
- Cabinet Material: Baltic birch plywood
- Weight: Approx. 80 kg
Why Choose the RCF SUB 8008-AS?
The RCF SUB 8008-AS is built for professionals who require extreme low-frequency output, high SPL capability, and reliable touring performance in a portable dual 18-inch format. It delivers deep, controlled bass with advanced DSP tools and rugged construction, making it a top-tier choice for large live events, DJs, and professional sound reinforcement systems.