A 4-channel amp can make your speakers louder, but it depends on a few factors, including the power of the amp, the impedance of the speakers, and the listening environment.
In general, a 4-channel amp will make your speakers louder than a 2-channel amp, but only if the amp has enough power to drive the speakers. If the amp does not have enough power, it will not make the speakers louder.
The impedance of the speakers is also important. The impedance of the speakers must be compatible with the amp. If the impedance of the speakers is too low, the amp may overheat or even damage the speakers.
The listening environment also affects how loud the speakers can be. If you are listening in a large room, you will need more power to make the speakers as loud as you want them to be.
If you are not sure whether a 4-channel amp will make your speakers louder, it is best to consult with an audio expert. They can help you choose the right amp for your needs.
Here are some additional tips for getting the most out of your speakers:
- Set the volume correctly: The volume should be set to a level that is comfortable for you. Too much volume can damage your speakers.
- Place the speakers in the right location: The speakers should be placed in a location where they can disperse the sound evenly.
- Use the right cables: The cables should be the correct gauge for the speakers and the amp.
- Avoid overloading the amp: Do not connect more speakers to the amp than it can handle.

