APC make a reasonably proced unit specifically for AV applications too.
A power conditioner reduces noise by filtering the power. These also include surge protection.
A stabilizer will step up or down the power to keep the voltage closer to 120 Volts. If you have severe swings in power then a stabilizer is a good idea, it will help protect your equipment - so it will last longer.
Generally you should not use a power conditioner with a power amp, however, some devices are designed and tested to work with power amps.
A power conditioner reduces noise by filtering the power. These also include surge protection.
A stabilizer will step up or down the power to keep the voltage closer to 120 Volts. If you have severe swings in power then a stabilizer is a good idea, it will help protect your equipment - so it will last longer.
Generally you should not use a power conditioner with a power amp, however, some devices are designed and tested to work with power amps.