This is an important part of the stereo system in order to hear the signals that could not be heard and it is a single channel amp that is wired in parallel to the woofer and can produce up to 2-ohms. This means that because of the 2-ohms they can be wired with any subwoofer and woofer safely and will send the distinctive sound quality to each. It also means that there is less need to turn the music up because the audible sound that would not otherwise be heard can be heard clearly. This is a richer sound and the bass will also be clearly heard using a mono amplifier as the stereo amplifier.
Without the mono amplifier home stereo component the sound that is heard by the listener is not as much quality sound as it would be with the stereo amplifier. The difference can be clearly heard in the home stereo with the mono audio amplifier when the sound is at a minimum or moderate level. This is because of the one channel and the fact that it selects the low level frequencies. Some of these mono audio amplifiers have the ability to boost the bass to a level of 18 decibels and this is sound that often cannot be heard without the advantage of the mono amplifier. This type of amplifier is different than transistor amplifier or phase amplifierbecause it does select only the low frequency signals in the music, where other amplifiers also select and filter other signals within the selected music.