pseudo-, quasi- semi- and. Pseudo- comes from the Greek for false/lie and refers particularly to something not genuine. Quasi- comes from the Latin for almost and refers to something that is almost something else. Semi- is the Latin for half and refers to something that is half-something else In late usage, however, all three have been used to mean sort-of-.
2 Channel Amplifiers. 2 channel amps, or stereo amplifiers, are simple solution for upgrading a car audio/stereo system. As a general rule, 2-channel amps are intended to output sound that can be faded between a left speaker and a right speaker, however; many stereo amplifiers can be to power a car subwoofer. Recently Viewed.
Think of a channel as being an amp. A mono channel obviously is one amp. A two channel is two amps and so forth. A four channel amp is typically used for the four speakers in the car (two front, two back). A mono or two channel amp is usually used for subs. The number of channels on an amp doesn't limit it to the number of speakers you have connected, but impedance (ohms) and the frequency being sent to specific speakers does.