Orbitsound Sub S4 Wireless Subwoofer

[ This bass unit is designed to pair exclusively with the Orbitsound Dock E30 only ] Take the sound of your Dock E30 speaker to the next level with this powerful tuned bass reflex subwoofer. Adding dramatically deep bass, it hugely expands the frequency range down to 40Hz for even richer and satisfying audio. You only need to pair it with the E30 once, and it connects automatically thereafter. And if you turn the Sub S4 off, the E30 increases its bass frequencies to compensate. Stand it vertically or horizontally for more placement options, displaying it in pride of place, or tucking it discreetly out of sight.... More