Andrew Jones designed bookshelf loudspeakers with 4-inch structured surface woofer. Re-engineered for 2012. High quality home audio doesn’t have to break the bank. As proof, we’d like to introduce you to the new SP-BS22-LR bookshelf speakers from Pioneer. Whether you use them as stereo speakers or part of a multi-channel home theater system, with their ability to handle 80 watts the SP-BS22-LR’s deliver wide frequency response and sophisticated sound quality regardless of the source.