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Hsu Research - http://www.hsuresearch.com/
US-built subwoofer technologies, innovative cylindrical designs. |
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Velodyne - http://www.velodyne.com/
US manufacturers of a wide range of subwoofers for audio and home theater applications. |
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SV Sound - http://svsound.com/
Subwoofer manufacturer offering high output bass loudspeaker, via factory direct. |
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REL Acoustics - http://www.rel.net/
Designs and manufactures sub-bass systems for use in two-channel and multi-channel music and multi-channel home theater systems. |
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Cowan Audio - http://www.cowanaudio.com/
Australia manufacturers of subwoofer, amplifiers to drive large subwoofer and active crossovers. |