AprilAire Universal Communicating Thermostat window AIM Series in-ceiling speakers were

AIM Series in-ceiling speakers were the first to feature an aimable woofer/tweeter module that aims the sound in any direction you choose

Once you have this thermostat interfaced with a PC you can even operate it over the internet

powered speakers

You can also connect a powered subwoofer to the preamp output on the rear panel

AprilAire Universal Communicating Thermostat window AIM Series in-ceiling speakers wereAprilaire communicating programmable digital thermostat. Can be interfaced with a home automation system. Once you have this thermostat interfaced with a PC you can even operate it over the internet. This thermostat will work with gas, electric heat or heat pump.