As a more affordable extension of its Image line of canalphones, Klipsch's Image S4 ($80) offers an upgrade to Apple's standard earphones with style: a combination of piano black plastic and metallic silver accents gives their outsides a look like Sony's most recent earphones, while a promise of "enhanced bass" with a wide frequency response is said to characterize their sound. Physically larger than the prior Image X10, the design is still intended…
