Furman 15A Standard Power Conditioner With Voltage Regulation - 9 Outlets - Led VoltmThe M 8x AR Standard Power Conditioner from Furman is intended to protect your sensitive electronic equipment from problems caused by AC line voltage irregularities such as brownouts, sags, and over voltage conditions. Such irregularities can cause audio tonal changes, digital equipment malfunctions such as loss of MIDI programs or other data, or in extreme cases, permanent damage. The M 8x AR can be used in a variety of pro audio and A V applications