The RCF SUB 8004-AS is a professional high-power active subwoofer designed for demanding live sound applications, including concerts, festivals, DJs, touring systems, and large venue installations. It delivers extremely powerful low-frequency performance with high SPL output, making it ideal for professional sound reinforcement where deep bass impact and clarity are essential.
The RCF SUB 8004-AS is a professional high-output active subwoofer designed for large-scale live sound, touring systems, festivals, clubs, and high-demand DJ setups. It is one of RCF’s most powerful single 18-inch subwoofers, engineered to deliver extreme low-frequency impact with high clarity, deep extension, and exceptional SPL performance.
Built for professional use, the SUB 8004-AS combines a high-excursion 18-inch woofer, advanced DSP control, and a powerful Class-D amplifier system in a rugged, tour-ready wooden cabinet.
The SUB 8004-AS is equipped with an 18-inch hyper-vented woofer featuring a 4-inch voice coil, designed for maximum efficiency and controlled excursion. Powered by a 2500W peak amplifier system, it delivers extremely high sound pressure levels suitable for large venues and outdoor events.
With a maximum SPL of up to 136 dB, it is capable of producing deep, powerful bass that remains tight and controlled even at high output levels.
The SUB 8004-AS features a fully DSP-controlled input section with multiple system optimization tools, including crossover selection, phase switching, delay adjustment, and cardioid mode. These tools allow precise tuning for different live environments and speaker configurations.
The integrated limiter and protection systems ensure safe operation even under extreme performance conditions, maintaining consistent sound quality and reliability.
Official specifications confirm its 2500W peak power, 30 Hz low-frequency response, and 136 dB maximum SPL performance. :contentReference[oaicite:0]{index=0}
The cabinet is constructed from durable Baltic birch plywood with a rugged finish designed for touring environments. Despite its powerful output, the enclosure is engineered for portability within professional setups, with ergonomic handles and stackable design for flexible deployment.
It also supports pole mounting and multiple system configurations with RCF full-range speakers, making it highly versatile in professional PA systems.
The SUB 8004-AS is designed for demanding applications such as large DJ events, live concerts, festival stages, rental production companies, and touring sound systems. It is often chosen when high output and deep sub-bass extension are required from a single 18-inch enclosure.
It is considered a strong step into professional-grade subwoofer territory within the RCF lineup, offering significantly more headroom and output than compact models.
The RCF SUB 8004-AS is built for professionals who need maximum low-frequency impact, high SPL output, and reliable touring performance from a single 18-inch subwoofer. It delivers deep, powerful bass with advanced DSP control and rugged construction, making it a strong choice for large-scale live sound reinforcement and high-end mobile DJ systems.
| Brands | RCF |
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