Public address amplifiers could be said to be the utility end of the audio market, working anonymously day after day in a dusty cupboard or equipment space. Quite invisible to all until one fails. It is amazing how quickly no sound reverberates up the business chain of command to impose itself on the unfortunate contractor who has supplied the faulty equipment. Quest commercial audio is manufactured to the same exacting standards as the live audio products. This is why Quest offers such a wide range of commercial Amplifiers. There is a model for every situation range of pro features makes the Quest QTA series an easy choice for contractors who need flexibility of sound design options and easy installation.