TVs, DVD players, A/V receivers all your home theater components operate their best when they receive 120 volts of AC power. However, they may not often get it. You may experience voltage sags in your power line due to heavy local use, or even your own household appliances which can translate to a loss of audio and video quality. Monster's innovative AVS 2000 corrects voltage irregularities in your AC line, delivering a stable 120 volts of power for top performance from your home theater system every time.