Unbranded Phase Tech OS-440

The Phase Tech (Rockustics) OS-440 is the industry's first outdoor smart amplifier designed for powering indoor and outdoor speakers around pool areas, patios, courtyards, and other indoor or outdoor venues. The OS-440 should not be exposed to prolonged direct sunlight, precipitation, or come in direct contact with water. If installed outdoors, the amplifier should be mounted inside a cabinet or weather-proof housing (not included). The OS-440 features 4 channels x 40 watts (4Ω) or can be bridged for 2 c...