This pair of Soundlab 115B mk2 speakers offers significantly increased energy efficiency (more sound per watt), high SPL level at bass frequencies and greater response in the high end range. The product features a heavy duty paper edged bass driver for efficiency, tough durable piezo horn, rugged crossover network, impact resistant corners, strong carry handle, top hat and a sturdy full metal grill. Packed in a robust export carton for added transport protection. (Ideal for mobile disco or bedroom dj speakers).