On Sale Add to Cart Quick view SPEAKER 18SOUND 15" 15NMB1000 18Sound MSRP: Now: $92,810 Was: $132,584 Eighteen Sound 15NMB1000 8ohm 15" 900 watt Mid Bass Loudspeaker Driver 101 dB SPL 1W / 1m average sensitivity100 mm (4 in) Interleaved Sandwich Voice coil (ISV)900