RBG18FA BOX 1 The Rockville RBG18FA BOX 1 folded horn subwoofer will blow you away. The 18" driver features a high temperature 4-layer 4” voice coil and is set in a 130oz magnet motor structure. The subwoofer is enclosed in a high quality solid wood enclosure. This is a heavy duty thick wood. This is a heavy duty enclosure. The sub weighs in at 130 pounds. This thing is the real deal. Features: Rockville RBG18FA BOX 1 18" 3000W Pro Audio Folded Horn Subwoofer (Amplifier sold separately) 750 Watts RMS / 1500 Watts Program / 3000 Watts Peak 18" Woofer with 130oz Magnet and 4" Voice Coil Frequency Response: (+/-3dB) 25Hz - 120Hz Maximum SPL @ 1w / 1m: 135dB Peak / 129dB Continuous Built-in pole mount socket Built-in carrying handles Heavy-duty 3” locking caster wheels High density MDF construction Dimensions: 35.4" x 28.7" x 29.1" Weight: 130Lbs