Back to Products open series speakers Wide soundstage with vivid imaging. 10" Open Sub S Series Desktop Open (Pair) S Series Open Tower (Pair) S Series Bookshelf Open (Pair) S Series 1 Open Sub (Pair) with Crossover B Series 2 Open Sub (Pair) with Crossover B Series 3 Open Speaker (Pair) B Series 4 Open Speaker (Pair) B Series 5 Open Speaker (Pair) B Series