SPECO~PA Amp 15 Watt AC The PVL series from Speco Technologies offers features such as priority paging and multiple, easily accessible source inputs, at a very budget-friendly price. These amplifiers are perfect for small installations such as classrooms, retail shops, convenience stores, or for use with the Digital Deterrent® and 2-Way audio features incorporated into most of Speco Technologies’ DVRs. Mic1 priority mute function with front button Separate bass and treble controls 5 year warranty