RCF SUB 8004-AS Active Subwoofer

RCF SUB 8004-AS Active Subwoofer

$3,849.00

⚡ Key Features

2500W Peak / 1250W RMS Class-D Amplifier – High-output, efficient power
136 dB Max SPL – Extreme low-frequency performance
30 Hz – 120 Hz Frequency Response – Deep, extended bass
18” Hypervented Woofer (4.0” Voice Coil) – Maximum low-end impact
DSP-Controlled Input Section – Selectable presets for system optimization
Delay Control – Precise alignment in complex setups
Mono/Stereo Input with Advanced Controls – Flexible integration
Baltic Birch Tour-Grade Cabinet – Rugged, road-ready construction
Compatible with NXL23-A & NXL24-A (Stacking)
Expandable with HDL 10-A & HDL 20-A Systems
Made in Italy – Premium engineering and build quality

Powerful class D amplifiers

RCF's Class-D power amplifier technology packs huge performance operating with high efficiency into a lightweight solution. RCF amplifiers deliver an ultra-fast attack, realistic transient response, and impressive audio performance. The amplifier features a solid machined aluminium structure which not only stabilises the amplifier during transportation but also helps the fan-less heat dissipation. All the amplifiers present SMPS power supply section to produce maximum output and minimum weight.

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🚚 SHIPPING – PROFESSIONALLY PACKED & PROTECTED

Custom end-board protection installed to shield impact zones
Reinforcement boards strapped securely for structural rigidity
Finished in secure black industrial stretch wrap for added protection (optional)

🔊 Extreme Output. Touring Power. Professional Low-End Authority.

The RCF SUB 8004-AS is one of the most powerful 18” subwoofers in the professional audio category, engineered to deliver massive low-frequency output with precision and control. Featuring a high-power 18” hypervented woofer with a 4.0” inside/outside voice coil, this subwoofer produces deep, impactful bass with exceptional efficiency.

Powered by a 1250W RMS / 2500W Peak Class-D amplifier, the SUB 8004-AS delivers up to 136 dB SPL, making it ideal for the most demanding live sound and touring applications.

🚀 Performance That Stands Out

The SUB 8004-AS is built for extreme performance in high-demand environments.

Its advanced DSP section includes controls for volume, deep/punch EQ modes, high-pass filtering, polarity, cardioid configuration, and time delay, giving you complete control over your system’s low-frequency response.

The powerful amplifier delivers ultra-fast transient response and accurate reproduction, ensuring tight, punchy bass even at high output levels.

⚡ Powerful Class-D Amplification

RCF’s advanced Class-D amplifier technology delivers high efficiency with massive output in a lightweight design.

Ultra-fast attack and precise transient response
Fan-less cooling with solid aluminum structure for durability
SMPS power supply for maximum output with reduced weight

This results in reliable, high-performance sound in even the most demanding conditions.

🧳 Built for the Road

Constructed from Baltic birch plywood and finished for durability, the SUB 8004-AS is designed for touring professionals and rental applications.

Its robust design ensures easy transport, stacking, and deployment, making it ideal for large-scale sound systems.