The RCF SUB 905-AS MK3 is a high-output professional 15-inch active subwoofer designed for demanding live sound, DJs, touring systems, and event production. Powered by a 2200W Class-D amplifier, it delivers extremely powerful low-frequency performance with up to 133 dB SPL, making it suitable for large venues, outdoor events, and high-energy stage setups.
The RCF SUB 905-AS MK3 is a flagship-class professional active subwoofer designed for demanding live sound reinforcement, DJs, touring systems, and high-output portable PA applications. It delivers extremely powerful low-frequency performance, advanced DSP control, and tour-grade construction in a compact 15-inch format.
Engineered for maximum sound pressure and precision, the SUB 905-AS MK3 is widely used in professional setups where deep bass, high headroom, and reliability are essential.
This subwoofer features a high-performance 15-inch woofer with a 3.0-inch voice coil, driven by a powerful 2200W Class-D amplifier. The system is capable of producing up to 133 dB maximum SPL, making it suitable for large venues, outdoor events, clubs, and high-energy DJ applications.
Its bass reflex cabinet design enhances efficiency and extends low-frequency response down to 40 Hz, delivering tight, controlled, and impactful bass reproduction.
The SUB 905-AS MK3 integrates powerful DSP processing that includes gain control, crossover selection, polarity adjustment, delay settings, and cardioid configuration options. This allows precise system tuning for different venue types and speaker combinations.
The proprietary Bass Motion Control system improves woofer excursion management, reducing distortion and maintaining clarity even at extreme output levels. This ensures consistent bass performance in both indoor and outdoor environments. :contentReference[oaicite:0]{index=0}
The cabinet is constructed from multi-ply hardwood and finished with a durable polyurea coating for maximum resistance to wear and tear. Despite its high power output, the enclosure remains relatively compact and stackable, making it suitable for mobile sound systems and touring applications.
Integrated handles and an M20 pole mount add flexibility for different deployment configurations, including stacked sub arrays or satellite speaker mounting.
The SUB 905-AS MK3 is designed for professionals who require maximum bass impact without sacrificing control or portability. It is commonly used in large DJ setups, live band reinforcement, festival systems, and rental production environments where reliability and output are critical.
Its combination of high SPL capability, DSP flexibility, and rugged construction places it among RCF’s most capable portable subwoofers in the 15-inch category.
The RCF SUB 905-AS MK3 is built for users who need maximum performance in a portable subwoofer format. It offers significantly higher output and DSP flexibility compared to lower-tier models, making it a strong choice for professional DJs, live sound engineers, and touring productions requiring deep, controlled, and high-SPL bass reproduction.
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