Jamo C603 Full Range Compact Speakers (Pair, Black) A pair of 2-way award winning bookshelf speakers Equipped with one 6" woofer and one 1" DTT (Decoupled Tweeter Technology) tweeter Fully equipped for optional bi-wiring Frequency Range: 45 - 20,000Hz Both speakers can be placed on floor stands, on a bookshelf or mounted directly on the wall on its wall-brackets