Bt blast pro Bluetooth indoor/outdoor weatherproof speakers from Sound Appeal are a leap forward in technology. The bt blast pro will stream music up to 60 feet away from your android, iPhone or other Bluetooth enabled device. Ideal for your patio, garage, basement or in your living room. The weatherproof cabinet has a uv resistant white finish that will not fade and is made of durable abs material. The internal cabinet walls are thick with rigid bracing to prevent cabinet resonance, allowing clean, clear sound at all volume levels. The new and improved 6.5" polypropylene woofer provides excellent bass and clear vocals and the 1" dome tweeter offers smooth highs with no hint of harshness, keeping vocals clear and concise. The internal amplifier is a high efficiency class d design with 2 x 40w rms of output power. Specifications: Long range csr Bluetooth v4.0 w/ a2dp technology, 110v to 220 volt ac input, 50 to 60hz., Uv resistant black finish, frequency response: 45hz to 20khz, power supply: Weatherproof, color matched, 25 ft. Length speaker wire: Uv resistant, color matched, also 25 ft. Length.