RCF SUB 8004-AS 18" Active Subwoofer – High Power Touring Subwoofer

RCF SUB 8004-AS 18" Active Subwoofer – Professional Touring Bass Performance

Professional Subwoofer for Touring and Live Sound

The RCF SUB 8004-AS 18" Active Subwoofer is a high-power, 18” active subwoofer engineered for professional audio environments. With a peak output of 2500W and 136 dB SPL, it delivers clean, controlled low frequencies for clubs, concerts, and large-scale live events.

Advanced DSP and Input Control

The SUB 8004-AS features a DSP-controlled input section with:

• Selectable presets for different setups
• Deep/Punch adjustment for low-frequency tuning
• Phase switch for seamless integration
• Output delay and cardioid options
• XLR connections support balanced and unbalanced signals with adjustable sensitivity (-2 dBu / +4 dBu).

Powerful Class-D Amplifier

Equipped with a 1250W RMS / 2500W peak Class-D amplifier, the SUB 8004-AS offers:

• Ultra-fast transient response
• Efficient, lightweight design
• Convection cooling for long-term reliability
• Robust machined aluminum chassis for fan-less heat dissipation

Transducer and Cabinet Design

• 18” hypervented woofer with 4” inside/outside voice coil
• Baltic birch plywood construction with rugged black finish
• Steel grille with protective acoustic foam
• Ergonomic handles and pole mount (M20) for flexible configuration
• Stackable and compatible with NXL23-A, NXL24-A, HDL10-A, HDL20-A

Touring and Installation Ready

Designed for maximum portability and durability, the cabinet includes four rear mounting points for wheels, side handles for transport, and lightweight yet robust construction. Ideal for PA stacks, sub arrays, or standalone bass reinforcement.