The Channel Master preamplifier will boost digital and HD signals received by your TV antenna. This antenna amplifier is a medium gain, low noise booster designed for use in areas that have both strong and weak signals present. Channel Master Titan 2 preamplifiers include a heavy-duty, moisture resistant housing to allow for outdoor installation in any climate. For optimal performance, install the preamplifier on a mast as close to the antenna as possible using the included U-bolt mounting hardware. This preamp is a perfect choice if you are able to receive strong signal local channels just fine but have trouble receiving channels with weaker signal strengths. Preamplifiers are also used if you anticipate distributing your signal with a digital splitter to multiple outlets throughout your house as splitters reduce the signal strength available at each output.