Griffin Twenty Audio Amplifier Gives Any Speaker AirPlay Support …
Twenty will send digital audio from iTunes – wirelessly – to an existing set of speakers using an Airport Express wireless base station and Apple's AirPlay wireless audio / video protocol. ... subwoofer with an automatic active crossover at 80 Hz. " The Griffin Twenty is the easiest, best-sounding solution for consumers who have speakers that are not AirPlay-enabled but still want to stream high-fidelity audio wirelessly," said Mark Rowan, President of Griffin Technology.
