A complete package for sound installation comprising a pair of SL ceiling speakers and an IW-series in-wall amplifier. SL ceiling speakers offer clean and intelligible sound reproduction within a small and discreet form factor. In combination with the IW amplifier, audio can be input via Bluetooth connection or wired auxiliary line input. A line output allows further amplifiers to be linked in a daisy-chain and operated from the same input signal. Supplied with a 12V power adaptor and speaker cables to provide an all-in-one solution for background music in small to medium rooms.