Cambridge - S30 - Bookshelf Speakers The stylish and punchy S30 bookshelf speaker heralds Cambridge Audio's loudspeaker revival and won a top rating of Five Stars from What Hi-Fi? magazine. Regular Price: $259.00 Our Price: $219.00 Related Searches: Cambridge Audio | Cambridge | Cambridge Speakers Cambridge - S90 - Subwoofer The Cambridge Audio Sirocco S90 powered subwoofer is the perfect match for the S30 and S70 speakers. Regular Price: $350.00 Our Price: $299.00 Related Searches: Subwoofer | Cambridge | Cambridge Audio Cambridge Audio - Sonata Package Buy the Cambridge Audio AR30 receiver, CD30 CD player, and S30 bookshelf speakers, and get the $350-Value S90 powered subwoofer absolutely FREE!