Passive bass reflex subwoofer

4PRO 8001-AS is a Passive Technology high output bass reflex subwoofer system. Featuring a 18” newly designed RCF high power woofer. This compact enclosure provides outstanding efficiency in sound pressure levels compared to the size. Perfect when you need to increase the system headroom and are looking for extended bass frequency response, it is the ideal complement for existing active or passive PA. Applications include Sub Bass Add on’s for Main PA, Side Fills, Night Club and Corporate Events.

RCF 4PRO 8001-S subwoofer integrates an RCF Precision Series low distortion, high power woofer a low pass / high pass output crossover filter in a small size, robust baltic birch plywood enclosure. The result is a compact, high power subwoofer remarkable for extended output and low distortion.

This new high power 18” inch woofer is the result of the latest refinement in years of RCF experience in compact subwoofers design and manufacture, resulting in a fast and controlled reproduction of the bass frequency range. Features a 4” inside/outside copper voice coil to minimize power compression and extend the life of this product.

The input section presents 2 x NL4 Speakon® connectors.

The Baltic birch plywood enclosure is painted with black, heavy duty, textured epoxy. The front is protected from a strong, powder coated, metal grille. The cabinet features two M10 threaded points for optional speaker kart, a 35 mm pole mount adaptor, two comfortable recessed side handles.