Yes you can bridge this amplifier to a 2 channel at 4 ohm per channel for 200 watts out of each channel.
The Kicker 4-channel Car amp has the Kicker logo on it.
90 watts X 4 channel output
a channel refers to the speakers or subs. for example a 2 channel amp can power 2 subs or speakers. a 4 channel will power 4.
This is an amplifier that has 4 sperate channels and can be wired in various ways. Usually you would have 1 channel per speaker so you could do 4 speakers with this. However, sometimes it is possible to join the channels together and get more power out of fewer channels - you can get anything from 2-4 channels out of a 4 channel amp.
One can purchase a 4 channel amplifier from any local music supply store as well as some local department stores. One can also purchase these from online retailers such as Amazon.
It could be a 2 channel stereo amplifier.
A mono amplifier. You need two for stereo.
The ratings for the speakers will depend upon what '300 watts' means. If the amplifier develops 300 watts RMS total across 4 channels, this would indicate 75 watts RMS per channel. Speakers rated at 100 watts should suffice for this amplifier.
One can find a four channel car amplifier from many different stores. These stores include Best Buy, Walmart, K-Mart, or any store that sells electronics.
It has 2-, 3-, or 4-channel output, easy connect with RCA patch cords.
The maker or model amplifier that is a KA-1460B 4 channel 800 watt amp is Dual Electronics. Dual Electronics is the maker of high quality home, marine, and car audio solutions.