RCF SUB 708-AS MKII Active 18" Compact Subwoofer 1400W Amplified Sub 708-AS II

Posted by https://vipproaudio.com/ on Jul 16th 2025

Looking to add thunderous depth and rich bass to your live sound or DJ setup? The RCF SUB 708-AS II is your go-to subwoofer for delivering serious low-end performance that truly moves the room. Designed for professionals who demand power, precision, and portability, this 18” active subwoofer takes your sound system to the next level—whether you're a gigging DJ, sound rental company, or running live events in small theatres or clubs.

With a 1400-Watt digital amplifier and a massive 18” woofer with a 3.0” voice coil, the SUB 708-AS II doesn’t just play bass—it commands it. Expect tight, controlled, and extended lows that punch through even the densest mixes. And thanks to its built-in stereo DSP crossover with adjustable crossover frequencies, it seamlessly integrates with 12” or 15” satellite tops like the RCF ART 3, ART 7, or D-Line series—making it an ideal partner for scalable PA configurations.

What makes the SUB 708-AS II a powerhouse:

  • 1400W Peak Digital Amplifier
     Delivers massive power to fill your space with clean, distortion-free bass.

  • 18” Woofer in Bass Reflex Design
     Engineered for efficiency and deep response, ensuring every beat hits with impact.

  • Built-in Digital Stereo Crossover
     With adjustable crossover points (80–110 Hz) for precision tuning with your top speakers.

  • Smart Sound Shaping Tools
     Features include electronic EQ, a soft limiter, and thermal/RMS protections—so you can push your system without fear.

  • User-Friendly Connectivity
     Stereo XLR inputs and outputs for easy daisy-chaining and flexible routing.

  • Customizable Control
     Volume, EQ, phase reverse, and crossover frequency dials let you dial in your exact sound.

  • Road-Ready Construction
     A durable Baltic birch cabinet, reinforced steel grille, side handles, and pole mount compatibility make it ideal for touring or mobile use.

  • Serious Output
     With a maximum SPL of 133 dB and a frequency response down to 35 Hz, it’s built to shake the floor.

Whether you’re building a mobile rig or expanding an existing system, the RCF SUB 708-AS II adds the kind of professional-grade bass foundation that transforms good sound into a great experience.

Dive into the audio paradise at VIP PRO AUDIO in Brooklyn to check out RCF SUB 708-AS MKII . 

                                                                                                                                                                             

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