1 Pair W 18 18 inch Woofer For Baffle Speaker Matching with Vacuum Tube amplifier Easy to push High Sensitivity 18" Big Woofer| | - AliExpress
Skytec Bass Boxes - PA Subwoofer Pair, Bass Speakers, 2 x 1000 Watt Max, 18 Inch Subwoofer, Felt Coating, Metal Protective Corners, Handles, Tripod Insert Top, Black : Amazon.de: Musical Instruments & DJ
SPECTRON SP-RX257: Powerful 13 x 18 cm / 5 x 7 inch speaker for cars and motorhomes, 2-way coaxial system, oval, 80 watts. : Amazon.de: Electronics & Photo
Devine Artis B18 Passiver Subwoofer, 45,7 cm (18 Zoll), 500 W : Amazon.de: Musikinstrumente & DJ-Equipment
auna Pro PW - Passive PA Subwoofer PA Woofer, Set of 2: 2 x PA Subwoofers, 10" Subwoofer, 300 Watt RMS / 600 Wmax, Bass Reflex Design, Black: Amazon.de: Musical Instruments & DJ
Pronomic SA-18 SUB Active Subwoofer - 1x 18 inch speaker with bass reflex openings - 700 watts peak power - max. SPL: 128 dB - 35 mm flange - black : Amazon.de: Musical Instruments & DJ