Meridian 209 is a remote control unit designed to operate with the Meridian 200 series of high fidelity components. It features wireless operation, utilizing an included PP3 battery. The 209 can control the 207 CD Player, 201 Pre-amplifier, and the 204 Tuner, allowing for volume adjustment, muting, playback controls, and input selection. Additional functions include track programming, repeat and phase reversal for the CD player, and preset station selection for the tuner.