The LD Systems SAT42 Passive Installation Speaker features an extremely powerful and reliable speaker design that is perfect for numerous installation applications. Providing an unobtrusive yet practical solution for almost any surrounding the passive speakers deliver powerful sound with accurate reproduction. Each rugged MDF cabinet houses a 4 custom woofer and a 1 tweeter with a frequency range of 75 Hz – 20 kHz and an SPL of up to 103 dB. The SAT42 can be used either as a full-range setup or as a satellite when combined with a subwoofer perfect for bars restaurants retail shops or even at home. With a weight of just 5 kg each the SAT42 pair is portable and easy to install and the elegant slim shape means it can fit into narrow spaces with ease.