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 BTA-250. Adding an audio zone with Bluetooth 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, 12–24 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 connection. With the provided 12–24 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. Designed to fit into a standard single-gang junction box, the BTA-250 can be easily installed into any new or pre-existing constructions (home, bars, restaurants, hotel rooms, etc.). For home installations, the BTA-250 can be a great addition for your garage, workshops, sheds, and even around hot tubs and pool areas. Wherever you feel the need to add an audio zone, Earthquake's new BTA-250 will conveniently expand your home audio system giving you a multitude of installation ideas.