Currently Available on eBay
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 bose incar car base subwoofer stereo boot spare wheel speaker spares or repairs  £9.99
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 BOSE 10" SUBWOOFER, neodymium ,NEW for Audi A4, BENZ CL500 and many sport car £62.63
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And a selection of products from Amazon
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Hello Kitty Mini Mp3 Mp4 Portable Speaker Stereo
Sale Price: £8.00  |
Description·Mini portable speaker for laptop/notebook/PC/iPod/cell phone/PDA/MP3/MP4, etc ·In the shape of Hello Kitty face, very lovely ·When not used, it also serves as accessory of your handbag/backpack/tote bag with the key chain on top ·With switch on/off at side, easy to control ·Operate with 2 AAA batteries (not included) ·Specification: Output: 3W Sensibility: 82+/-3db Impedance: 8O+/-15% Dynamic: 40Hz~12Hz |
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Doraemon PC MP3 Mini Portable Speaker Amplifier
List Price: |
Description·Mini portable speaker for laptop/notebook/PC/iPod/cell phone/PDA/MP3/MP4, etc ·In the shape of Doraemon head, very lovely ·Excellent sound quality, enjoy the music on the way ·When not used, it also serves as accessory of your handbag/backpack/tote bag with the key chain on top ·With switch on/off at side, easy to control ·Operate with 2 AAA batteries (not included) ·Specification: Output: 3W Sensibility: 82+/-3db Impedance: 8O+/-15%25 Dynamic: 40Hz~12Hz |
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Speaker Cable - 15 Metres - Clear Oxygen Free Copper - 16 Gauge - For use with all Audio Systems
Sale Price: £6.99 |
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Lilo & Stitch PC Mini Portable Speaker Amplifier
List Price: |
Description·Mini portable speaker for laptop/notebook/PC/iPod/cell phone/PDA/MP3/MP4, etc ·In the shape of Stitch head, very lovely ·Excellent sound quality, enjoy the music on the way ·When not used, it also serves as accessory of your handbag/backpack/tote bag with the key chain on top ·With switch on/off at side, easy to control ·Operate with 2 AAA batteries (not included) ·Specification: Output: 3W Sensibility: 82+/-3db Impedance: 8O+/-15%25 Dynamic: 40Hz~12Hz |
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In-Car Entertainment, Including: Autopc, Blue&me, Ford Sync, Kia Uvo, Microsoft Auto, Subwoofer, Car Audio, Bose Corporation, Blaupunkt, Mark Levinson
Sale Price: £9.10 |
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In-Car Entertainment, Including: Subwoofer, Car Audio, Bose Corporation, Blaupunkt, Mark Levinson, Milbert Amplifiers, Harman Kardon, Head Unit, Alpin
Sale Price: £7.66 |
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Automotive Electronics, Including: Autopc, Blue&me, Ford Sync, Kia Uvo, Microsoft Auto, Subwoofer, Car Audio, Bose Corporation, Blaupunkt, Mark Levins
Sale Price: £15.38 |
Escalade Subwoofers?
Hey, i have a bose system with 4 6.75" speakers and a small subwoofer in my car right now, and the bass goes through all of them. Im afraid this might damage the speakers, and want to upgrade to a new subwoofer system. Would this take some of the bass off the component speakers? Im looking at 2 12"s in a sealed box each getting about 150W RMS with a matching amp, and don't know how much louder this would be, and if its worth it. The deck and door speakers I'll leave alone since they sound awesome. What's your guys' opinion?
I listen to both rap and rock, and of course sound quality matters, but I want to be able to show off too if I want to. 
Try going to a car audio place, they have no problem taking some time to go through your car and answering any questions. The thing is...if you add the woofers will they drown out the speakers? It's just disappointing when you invest money in woofers and find out your speakers can't keep up and have to replace those, and then buy an amp to power those, and install all of this...A car audio place will hear your car out and recommend what is best suited. Personally I might go with just one 12 inch. Oh and it depends on the kind of music you listen to, for rock a smaller woofer is better, and rap...the bigger the better.