I have moved to a new home and my listening area has changed. I have two of these and I no longer need this one. I purchased it from Madisound a few years ago. New price now is $399.95. The speaker is in near perfect condition with very low hours of use. This is by far one of the best musical sounding subwoofers I have ever heard. Subwoofer will be packed in a double box for safe arrival to you. It is a heavy beast at 14 pounds net, so shipping might be a little more then expected. Please, only reaonable offers will be considered.ScanSpeak Discovery Line 30W/4558T 12 Subwoofer - 4 ohmAluminum Cone, Black AnodizedFiberglass/Paper Sandwich Dust Cap, Black Coated56 mm peak excursion – 25mm linear (X-max)Aluminum Short Circuiting RingAluminum Pole Piece Extension to reduce distortion and power compressionTitanium Voice coil formerVented cone / dustcapNomex spiderLow damping rubber surroundLitz wire woven into the spiderSuggested box alignments: One cubic foot sealed for use in autosound systems.One cubic foot sealed with a plate amp and boost for use in home systems.The 30W/4558T and the 30W/0-00 passive radiator in a 2.5 cubic foot box should be 3dB down at 30Hz.For a vented box of 2.5 cubic feet, 3 vent by 11 long, your F3 is 27Hz.

ScanSpeak Discovery Line 30W/0-00 12 Passive RadiatorAluminium Cone, Black AnodizedFiberglass/Paper Sandwich Dust Cap, Black CoatedNomex spiderLow damping rubber surroundAdjustable weight56mm peak to peak excursion (+/-28mm)Match this passive to the Scan-speak Discovery 30W/4558T subwoofer or the Peerless 835017 subwoofer. This will also work well with the older Peerless 830500 subwoofer. The 30W/4558T and the 30W/0-00 in a 2.5 cubic foot box should be 3dB down at 30Hz.

ScanSpeak Discovery Line 30W/0-00 12 Passive RadiatorAluminium Cone, Black AnodizedFiberglass/Paper Sandwich Dust Cap, Black CoatedNomex spiderLow damping rubber surroundAdjustable weight56mm peak to peak excursion (+/-28mm)Match this passive to the Scan-speak Discovery 30W/4558T subwoofer or the Peerless 835017 subwoofer. This will also work well with the older Peerless 830500 subwoofer. The 30W/4558T and the 30W/0-00 in a 2.5 cubic foot box should be 3dB down at 30Hz.

ScanSpeak Discovery Line 30W/0-00 12 Passive RadiatorAluminium Cone, Black AnodizedFiberglass/Paper Sandwich Dust Cap, Black CoatedNomex spiderLow damping rubber surroundAdjustable weight56mm peak to peak excursion (+/-28mm)Match this passive to the Scan-speak Discovery 30W/4558T subwoofer or the Peerless 835017 subwoofer. This will also work well with the older Peerless 830500 subwoofer. The 30W/4558T and the 30W/0-00 in a 2.5 cubic foot box should be 3dB down at 30Hz.

ScanSpeak Discovery Line 30W/0-00 12 Passive RadiatorAluminium Cone, Black AnodizedFiberglass/Paper Sandwich Dust Cap, Black CoatedNomex spiderLow damping rubber surroundAdjustable weight56mm peak to peak excursion (+/-28mm)Match this passive to the Scan-speak Discovery 30W/4558T subwoofer or the Peerless 835017 subwoofer. This will also work well with the older Peerless 830500 subwoofer. The 30W/4558T and the 30W/0-00 in a 2.5 cubic foot box should be 3dB down at 30Hz.

ScanSpeak Discovery Line 30W/0-00 12 Passive RadiatorAluminium Cone, Black AnodizedFiberglass/Paper Sandwich Dust Cap, Black CoatedNomex spiderLow damping rubber surroundAdjustable weight56mm peak to peak excursion (+/-28mm)Match this passive to the Scan-speak Discovery 30W/4558T subwoofer or the Peerless 835017 subwoofer. This will also work well with the older Peerless 830500 subwoofer. The 30W/4558T and the 30W/0-00 in a 2.5 cubic foot box should be 3dB down at 30Hz.

ScanSpeak Discovery Line 30W/0-00 12 Passive RadiatorAluminium Cone, Black AnodizedFiberglass/Paper Sandwich Dust Cap, Black CoatedNomex spiderLow damping rubber surroundAdjustable weight56mm peak to peak excursion (+/-28mm)Match this passive to the Scan-speak Discovery 30W/4558T subwoofer or the Peerless 835017 subwoofer. This will also work well with the older Peerless 830500 subwoofer. The 30W/4558T and the 30W/0-00 in a 2.5 cubic foot box should be 3dB down at 30Hz.

ScanSpeak Discovery Line 30W/0-00 12 Passive RadiatorAluminium Cone, Black AnodizedFiberglass/Paper Sandwich Dust Cap, Black CoatedNomex spiderLow damping rubber surroundAdjustable weight56mm peak to peak excursion (+/-28mm)Match this passive to the Scan-speak Discovery 30W/4558T subwoofer or the Peerless 835017 subwoofer. This will also work well with the older Peerless 830500 subwoofer. The 30W/4558T and the 30W/0-00 in a 2.5 cubic foot box should be 3dB down at 30Hz.

ScanSpeak Discovery Line 30W/0-00 12 Passive RadiatorAluminium Cone, Black AnodizedFiberglass/Paper Sandwich Dust Cap, Black CoatedNomex spiderLow damping rubber surroundAdjustable weight56mm peak to peak excursion (+/-28mm)Match this passive to the Scan-speak Discovery 30W/4558T subwoofer or the Peerless 835017 subwoofer. This will also work well with the older Peerless 830500 subwoofer. The 30W/4558T and the 30W/0-00 in a 2.5 cubic foot box should be 3dB down at 30Hz.

ScanSpeak Discovery Line 30W/0-00 12 Passive RadiatorAluminium Cone, Black AnodizedFiberglass/Paper Sandwich Dust Cap, Black CoatedNomex spiderLow damping rubber surroundAdjustable weight56mm peak to peak excursion (+/-28mm)Match this passive to the Scan-speak Discovery 30W/4558T subwoofer or the Peerless 835017 subwoofer. This will also work well with the older Peerless 830500 subwoofer. The 30W/4558T and the 30W/0-00 in a 2.5 cubic foot box should be 3dB down at 30Hz.

ScanSpeak Discovery Line 30W/0-00 12 Passive RadiatorAluminium Cone, Black AnodizedFiberglass/Paper Sandwich Dust Cap, Black CoatedNomex spiderLow damping rubber surroundAdjustable weight56mm peak to peak excursion (+/-28mm)Match this passive to the Scan-speak Discovery 30W/4558T subwoofer or the Peerless 835017 subwoofer. This will also work well with the older Peerless 830500 subwoofer. The 30W/4558T and the 30W/0-00 in a 2.5 cubic foot box should be 3dB down at 30Hz.

ScanSpeak Discovery Line 30W/0-00 12 Passive RadiatorAluminium Cone, Black AnodizedFiberglass/Paper Sandwich Dust Cap, Black CoatedNomex spiderLow damping rubber surroundAdjustable weight56mm peak to peak excursion (+/-28mm)Match this passive to the Scan-speak Discovery 30W/4558T subwoofer or the Peerless 835017 subwoofer. This will also work well with the older Peerless 830500 subwoofer. The 30W/4558T and the 30W/0-00 in a 2.5 cubic foot box should be 3dB down at 30Hz.

ScanSpeak Discovery Line 30W/0-00 12 Passive RadiatorAluminium Cone, Black AnodizedFiberglass/Paper Sandwich Dust Cap, Black CoatedNomex spiderLow damping rubber surroundAdjustable weight56mm peak to peak excursion (+/-28mm)Match this passive to the Scan-speak Discovery 30W/4558T subwoofer or the Peerless 835017 subwoofer. This will also work well with the older Peerless 830500 subwoofer. The 30W/4558T and the 30W/0-00 in a 2.5 cubic foot box should be 3dB down at 30Hz.