RCF SUB 905-AS MK3 15-inch 2,200-watt Active Subwoofer

The RCF SUB 905-AS MK3 is a state-of-the-art powered subwoofer with cutting-edge internal DSP. This compact sub pumps 2,200 watts of Class D power through a 15-inch ceramic-magnet woofer, yielding extended low frequencies down to 40Hz and a maximum SPL of 133dB. You can expect incredible linearity and sonic integrity from the SUB 905-AS MK3, thanks to its proprietary Bass Motion Control processing. Its rear-panel controls provide access to presets, crossover frequencies, polarity selection, a cardioid mode, and time delay settings. Beyond that, the SUB 905-AS MK3 is built to withstand the rigors of touring, with a rugged plywood cabinet, a scratch-resistant polyurea coating, and a near-bulletproof steel grille. To top it off, the SUB 905-AS MK3 is lightweight, stackable, and includes built-in handles for easy deployment and transport. No matter how demanding your application is, it's a sure bet that the RCF SUB 905-AS MK3 will tackle it with absolute assurance.

Ultra-precise transducer

When designing the SUB 905-AS MK3, the engineers at RCF developed new magnet designs that optimize magnetic flux. This active sub's 15-inch ceramic-magnet woofer, which includes a 3-inch voice coil, flaunts a magnetic circuit topology that not only maintains a consistent, high-integrity magnetic flux gap, but does so with super-low distortion. Moreover, the sub's T-pole design optimization produces negligible levels of flux modulation in the magnetic assembly during voice coil movement within the gap.

Efficient Class D power

We've found that the RCF SUB 905-AS MK3's 2,200-watt Class D amplifier can churn out extreme sound pressure levels with an immediate attack, honest transient response, and maximum efficiency. In fact, this sub is so energy efficient that it doesn't even include a cooling fan! Rather, the SUB 905-AS MK3 employs a solid aluminum heat exchanger for cooling — no moving parts required.

Ready for the road

When it comes to durability, the SUB 905-AS MK3 really delivers. Its rugged multi-ply wood cabinet is covered with a scratch-resistant polyurea coating. Its powder coated front grille integrates a sonically transparent foam backing to safeguard the woofer against dust and damage. The SUB 905-AS MK3 is both lightweight and stackable, plus it includes ergonomic handles for easy setup and tear-down. You also get a pole receptacle, enabling you to use this powered subwoofer in myriad configurations.

Features

• Packs 2,200 watts of pure Class D power into a lightweight active subwoofer
• 15-inch, ceramic-magnet woofer yields extended low frequencies down to 40Hz
• Delivers sound pressure levels up to 133dB with generous amounts of headroom
• Proprietary Bass Motion Control processing supplies incredible linearity and sonic integrity
• Rear-panel controls for presets, crossover frequencies, polarity selection, a cardioid mode, and time delay settings
• Stereo XLR input and a stereo XLR signal output
• Rugged plywood cabinet, scratch-resistant polyurea coating, and near-bulletproof steel grille
• Lightweight, stackable, and includes built-in handles for easy deployment and transport
• Pole receptacle accommodates a myriad of speaker-subwoofer configurations