The KMC 3, Klipsch's first Bluetooth speaker, doesn't look like anything radical, but to our eyes, it's a new paradigm for personal audio. Most of its competitors use Apple's AirPlay wireless audio technology, but the KMC 3 uses Bluetooth, making it compatible with any type of smartphone. Most of its competitors need an AC outlet to operate, but the KMC 3 runs off batteries or AC.