Klipsch has introduced its new S4i Rugged earphones. Based on the company’s earlier Image S4 earphone, the S4i features an 8.5mm dual magnet micro-speaker, rubberized moldings on the surface of each ear bud, moisture resistance, an oversized, in-line three-button remote and mic, four included sizes of oval ear tips, a clothing clip, and an included nylon zipper case. Klipsch’s S4i Rugged earphones will be available later this month and…