18 Sound ND3ST 1.4" Exit neodymium High Frequency Compression Driver 240W 8-Ohm. 18 Sound ND3ST Key Features 1.4 inch exit Neodymium compression driver Very fast impulse response for excellent transient reproduction Natural Sound frequency response extended up to 20 kHz 240 W program power handling 112 dB 1W... MSRP: Was: Now: $437.00 More Info Add to Cart The item has been added