The QX620ASX in-wall LCR loudspeaker features a sleek modern appearance with a borderless aluminum grille that protrudes less than 0.2 from the wall. James all new quad tweeter array, incorporating four 0.75" (19mm) aluminum dome tweeters in a 22.5° offset array for wide dispersion, high power handling and low distortion promises to deliver audiophile-quality where it counts.