Yes, you can plug your acoustic guitar into a PA system. In fact, many acoustic guitarists do so, especially in live settings. PA systems are designed to reproduce a wide range of frequencies, including vocals, instruments, and sound effects. This makes them versatile enough to handle the frequencies produced by an acoustic guitar.
However, there are a few things to keep in mind when plugging an acoustic guitar into a PA system:
- Use a direct box (DI). A DI box will convert the high-impedance signal from your acoustic guitar to a low-impedance signal that is better suited for PA systems.
- Set the EQ on the PA speaker to boost the mid and high frequencies. This will help to ensure that your acoustic guitar sound is clear and present.
- Be careful not to overload the PA speaker. If you start to hear distortion, turn down the volume.
In addition to the tips above, there are a few other things to consider when using PA speakers for acoustic guitar:
- The size and power of the PA system. Not all PA systems are created equal. Some PA systems are designed for smaller gigs and rehearsals, while others are designed for larger venues and concerts. When choosing a PA system to use with an acoustic guitar, it is important to make sure that it is powerful enough to handle the volume and frequencies that you need.
- The type of PA speakers. PA speakers come in a variety of types, including full-range speakers, subwoofers, and monitors. Full-range speakers are the most versatile type of PA speaker, but they may not be able to reproduce the low frequencies of an acoustic guitar as well as a subwoofer. Subwoofers are specifically designed to reproduce low frequencies, but they may not be as portable as full-range speakers. Monitors are typically smaller than full-range speakers and subwoofers, and they are designed to be placed near the performers so that they can hear themselves clearly. Monitors are not typically used as acoustic guitar amps, but they can be used in conjunction with a subwoofer to create a more powerful and versatile acoustic guitar rig.
- The features of the PA system. Some PA systems have features that are specifically designed for acoustic guitar players, such as EQ controls and effects loops. If you are serious about using a PA system with your acoustic guitar, look for a system with features that are important to you.
Overall, whether or not you should use PA speakers for acoustic guitar depends on your needs and budget. If you are looking for a versatile and affordable speaker that you can use for a variety of applications, then a PA speaker may be a good option for you. However, if you are serious about playing acoustic guitar, you are better off getting a dedicated acoustic guitar amp. Acoustic guitar amps are designed to reproduce the frequencies produced by an acoustic guitar accurately and with power.
Some acoustic guitarists use PA speakers as part of their rig, such as by using a PA speaker for their clean sound and an acoustic guitar amp for their distorted sound. This can be a good way to get a wider range of sounds. However, if you are just starting out, it is generally recommended to start with a dedicated acoustic guitar amp.

