The Polk Audio Signature E Series is an updated mid-range line-up that sits between the entry-level T Series and the higher-end RTiA Series. There’s plenty of choice within the range, including floorstanding, bookshelf and dedicated centre speakers. Polk hasn’t added a dedicated surround speaker or upward-firing module to the line-up because, with the exception of the centre models, these speakers are designed to work in both Hi-Fi and home cinema systems.
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