ITEM NAME:Half Dome Car Loud Speaker Tweeter High Efficiency Audio System with Stand #gib Store Home Promotion Hot Item Add to Fav.90 Degree adjustable stand. Audio Response: 5KHz-20KHz. High antijamming capability. Fits all cars, compatible with iPod, CD, MP3, MP4, MP5, etc. 12 months Warranty. 4 X Screws. 2 X Speakers. Sensitivity: 105dDB.