RCF S8015 1 x 15 Inches Bandpass Subwoofer * 15" high-efficiency RCF Precision 4" voice-coil woofer with Inside/Outside Coil Technology Bandpass woofer 135 dB Max SPL * Response down to 43 Hz * Rectangular box enclosure * Baltic Birch cabinet finished in a very resistant, textured black paint with rubber feet * Bandpass woofer DIMENSIONS (H x W x D): 12.20-in x 35.43-in x 14.96-in