The MA250 is a high caliber, reasonably priced stereo power amplifier designed to meet the needs of custom installed systems where superior sound is a specific requirement.Knoll engineers designed the MA250 as a plasma TV stereo booster amplifier with many unique features making it valuable in a wide variety of applications. One of its most advanced features is the stereo inputs that are directly connected to the speaker outputs if the amplifier is not powered up. This allows whole house music from other systems to pass through, and then be overridden when the local MA250 amplifier is required.Power on and off can be accomplished by the use of the power switch on the front panel, a 12-volt trigger input, a video signal or when sound signals to the amplifier are detected. All controls on the MA250 are rear-mounted, except for the power button, to ensure there are no maladjustments once the amplifier is installed.
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