Subwoofers — Category rankings, rebuilt from live stock

Used 21-inch subwoofer driver marked with model 21SW152-8 on the rear magnet. The unit features a heavy-duty cast aluminum frame, large ferrite magnet, and push-button spade terminals. Cosmetically it shows minor wear consistent with prior installation, while the cone and surround appear intact.

Used 21-inch subwoofer driver with a heavy-duty cast aluminum frame and a large ferrite magnet assembly. The rear label clearly identifies the model as 21SW152-8, and the unit shows minor cosmetic wear on the frame and magnet. The cone and surround appear intact, and the driver is equipped with standard spade terminals.

Used RCF L18S801 passive subwoofer featuring a single 18-inch woofer and a sturdy steel grille. The cabinet shows minor cosmetic wear consistent with normal use, and the rear panel is equipped with NL4 connectors. The unit is labeled as made in Italy and is ideal for professional audio applications.

Pair of RCF SUB 8004-AS self-powered subwoofers in used condition. The cabinets show minor cosmetic wear including scuffs and light scratches, with intact steel grilles and functional rear amplifier modules featuring PowerCON and XLR connections.

TSG Prominent Series P212S dual 12-inch passive subwoofer in a black textured enclosure. The unit shows minor cosmetic wear with some scuffs on the cabinet and light dust on the drivers, while the steel mesh grille remains intact. The rear connection panel is equipped with two NL4 speakON connectors and is rated for 1000W at 4 ohms.

Used Homewell BX 18 18-inch subwoofer driver removed from a bass reflex cabinet. The unit shows typical signs of use with some dust and minor wear on the frame and cone, and features a large magnet assembly with push terminals. A holographic 'Pro Speakers' authenticity sticker and a serial number label are present on the rear.

Passive subwoofer cabinet in used condition with minor cosmetic wear visible on the textured black finish. Features a metal front grille, dual speakON connectors on the rear plate, and a recessed top handle. The rear input plate indicates a 700W bass section and 80W high section, and the installed driver is a FaitalPRO 15FX560.

Used horn-loaded subwoofer cabinet featuring a large front-mounted driver with a distinctive octagonal horn throat. The rear of the driver is clearly marked with the HH Speakers logo. The cabinet shows minor cosmetic wear consistent with normal use, including some scuffs on the textured black finish.

Powered 18-inch subwoofer for KTV, bar and mobile rigs. DSP presets updated, handles and castors in good shape.

Dual 18-inch subwoofers from the same VTX A12 touring system. Refurbished grilles, all transducers checked.

Double 18-inch subwoofers matched to K2/KARA rigs. Drivers within spec, castors and rigging included, bench-tested.