Niles OS6.3 White Home Theater Speaker 6″ and BTA-250 In-Wall Amplifier
OS6.3 White Home Theater Speaker 6″
These are superbly built outdoor speakers manufactured by Niles. OS 6.3 outdoor speakers are fully weatherproof and marine-rated. These speakers are completely weather resistant and are manufactured from high quality marine grade material. They will remain 100% functional in the biggest of storms. 
BTA-250 In-Wall Amplifier
For audio installers and the do-it-yourselfer who need to add a two-channel stereo amplifier in homes or commercial spaces, Earthquake Sound gives to you the new BTA-250. Adding an audio zone with Bluetooth¬ģ capability has never been easier. This is a wireless in-wall amplifier kit that packs flexibility, power, and control into one very small and discrete package that can be used for both indoor and outdoor settings. The BTA-250 kit comes with the in-wall amplifier, B120R retrofit electrical box, 12‚Äď24 VDC power supply, and cable adapter.
This three input in-wall amplifier can accept signal through the front panel 3.5mm stereo mini jack, Ethernet port, or Bluetooth¬ģ connection. With the provided 12‚Äď24 VDC power supply and cable adapter, the BTA-250 can produce 50 WRMS per channel and can easily power a pair of ceiling, outdoor, or in-wall speakers. It is compatible with 4-Ohm and 8-Ohm systems and also features a front mounted volume control knob for added convenience.