model: sp-525 (black and silver) - rms: woofer - 40w, satellite - 5w x 5 - p.m.p.o: 4000w - speaker unit: woofer -5"x 1 satellite- 3" x 5, - controls: on/off, center vol, bass vol, front vol, master vol, led, virtual sound -dimension (mm): woofer - 320(w) x 151(d) x 332(h) satellite- 85(w) x 88(d) x 161(h) - compatible with personal, micro computer and sound card mini- compo, cd player, dvd player, walk-man, tv, audio pakcing:colorful box delivery lead time:within 30 days payment terms:t/t, l/c(us$15,000+)