AR / Acoustic Research Sub Woofer Hi-Fi Studio 15" Powered Subwoofer Loud Low Frequency Driver $350 - Speakers & Subwoofers - Brewster, New York | Facebook Marketplace | Facebook
Lot of 2 Boston Acoustics G112-44 Subwoofer 12 " RMS: 200 Watts - Dual 4 Ohms | eBay
L-Acoustics SB18 High Power Compact Subwoofer 1x18-Inch | PSSL ProSound and Stage Lighting
Acoustic Elegance Dipole18 woofer for Open Baffle Apps