Bogen WV150 Wall Mount 150-Watt Mixer AmplifierBogen's Wall Mount Power Vector modular amplifiers offer a wide range of power from which to choose from, with three models ranging from 100W to 250W. The amplifiers are designed to work with both high (70 25V) and low (4 8 ohm) impedance speaker systems. Each model includes eight module bays for plug in input modules and allows for up to four levels of priority between modules. Two module bays are capable of accepting signal processing plug in output