Team GP Undertaker 15" Subwoofer UT15 5,000 RMS - GP Car Audio
OSD Black Trevoce 15EQ DSP 1500W Triple 15' Woofers with Native EQ & App Control DSP Room Correction : OSDAudio.com
Amazon.com: Sound Town METIS Series 15" 1600 Watts Powered Subwoofers with Speaker Outputs, DJ PA Pro Audio Sub with 4-inch Voice Coil (METIS-15SPW2.1) : Musical Instruments
ZETHUS-M115SM3X2 | Line Array Speaker System w/ One 15" Sub, Two 6 x 3" Speakers, Black – Sound Town
Rockford Fosgate P2D2-15 Punch P2 15" subwoofer with dual 2-ohm voice coils at Crutchfield
Amazon.com: Alphasonik 15" Flagship Series 1400 Watts Raw Sub Woofer Speaker Cast Aluminum Basket Driver for Pro Audio PA DJ Cabinets Subwoofer with High Handling Power Extremely Clear and Loud - FW1532 :
Sundown Audio Zv6 15" inch DVC Dual 2 Ohm (Z Series) Car Subwoofer 2500 Watts RMS