Sound Board: What Is It In Guitars And Why Is It Important?

by Joost Nusselder | Updated on:  May 24, 2022

Always the latest guitar gear & tricks?

Subscribe to THE newsletter for aspiring guitarists

We'll only use your email address for our newsletter and respect your privacy

hi there I love creating free content full of tips for my readers, you. I don't accept paid sponsorships, my opinion is my own, but if you find my recommendations helpful and you end up buying something you like through one of my links, I could earn a commission at no extra cost to you. Learn more

Guitars are widely used instruments in a range of genres, with players including professionals and hobbyists alike. While there are many components that make up the guitar, the soundboard is one of the most important elements of it. In this article, we will explore what the soundboard is, how it works in guitars, and why it’s so important to the overall sound of your instrument.

The soundboard is also known as the top board or face board of a guitar, and is typically made out of spruce or cedar. It sits atop the body of a guitar and plays an integral role in amplifying its strings’ vibrations and projecting them to create a musical noise. Soundboards are designed to vibrate along with amplified bass notes from strings beneath them, resonating frequencies which would be imperceptible if not for its own actions. Its particular acoustic properties allow it to create strong air resonance in different registers so that both high-pitched tones and low-pitched notes can be represented accurately.

What is a guitar sound board

What is a sound board?

A soundboard or top is the heart of an acoustic guitar, helping to generate amplified sound when the strings are strummed. It is the part of the instrument that helps to produce the sound that we hear when playing. It’s important to choose the right sound board material so that it amplifies the right sound. Let’s get into the details of what is a sound board and why it is so important in acoustic guitars.

Types of sound boards

The sound board is one of the main components of a guitar and plays an extremely important role in its sound production. Different types of sound boards can affect the quality and character of the guitar’s tone, so it is important to be aware of what kind of sound board your guitar has.

Generally speaking, solid wood, laminated wood, or synthetic materials can be used as a sound board. Solid wood is usually used in acoustic guitars to create a rich and resonant tone with increased sustain; this type of material is often found in higher-end models as acoustic guitars must invariably incorporate stronger bracing elements when built from solid woods.

Laminated wood is more typically used for electric guitars and basses because it offers more consistent quality throughout its construction. It gives an overall better balance between resonance and strength by combining various layers of different types of woods.

Synthetic materials such as carbon fiber composites are also popular alternatives to traditional wooden sound boards in both electric and acoustic instruments. These materials offer increased stability compared to traditional solid or laminated woods, which allows for lighter weight instruments with enhanced resonance response that better translates into a fuller range frequency output when amplified through amplification devices.

Advantages of sound boards

Sound boards on a guitar can offer several benefits to the musician. One advantage is that the sound board amplifies and projects the sound from the strings and pickups. This enhances the overall sound while providing hourglass-shaped volume control. As you tilt or “bend” the bridge of your guitar, you deliver different pitch & intensity levels to particular notes or chords – something you can’t do without a sound board.

Additionally, sound boards provide volume and tonal adjustment capabilities that enable you to customize your playing experience according to genre, style of music, and personal preference. Whether your goal is acoustic articulation or a more full-bodied effect, experimenting with sound boards will help you find what works best for your needs.

Finally, many guitarists appreciate its aesthetic value; as a visible wooden panel on top of the instrument’s body, it adds vibrance and depth to an instrument’s design—much like how artwork elevates a room. While more experienced players may take little notice of it in terms of playability or tone, it can still make for an attractive look for stage performances and studio recording sessions.


Round, oval, or F-holes appear on many plucked instruments, such as guitars and mandolins. F-holes are usual in violin family instruments but also can be found on some guitars. Lutes commonly have elaborate rosettes. A sound board, depending on the instrument, is also called a top, plate, or belly. In a grand piano, the sound board is a large horizontal plate at the bottom of the case. In an upright piano, the sound board is a large vertical plate at the back of the instrument. The harp has a sound board below the strings. More generally, any hard surface can act as a sound board. An example is when a tuning fork is struck and placed against a table top to amplify its sound.

Impact of sound boards on guitars

A sound board is one of the most critical components of an acoustic guitar, as it functions to amplify the sound produced by the instrument. It is the main part of the guitar that vibrates as it amplifies the sound generated by the strings. A guitar’s sound board also plays an important role in the tone and playability of the instrument.

In this article, we will look at the different types of sound boards and the effect they have on the tone and playability of guitars:


The soundboard of an acoustic guitar is the most important factor when it comes to its tone. This is because the soundboard amplifies the vibrations of the strings by transferring them to a larger surface area. Different acoustic guitars may have different soundboards made up of different types of woods which will affect the tone.

Soundboards come in several shapes and sizes, but generally fall into two categories: flat or arched. The primary difference between them is that a flat soundboard has less air space between it and the body creating a punchier, bass-heavy tone; whereas an arched soundboard utilizes this air space to create more projection with a brighter, fuller sounding tone.

Spruce wood is usually used for making acoustic guitar soundboards as it has been used for many years and is known for producing full body tones that last on stage. Cedar wood on the sounds boards tends to produce warmer tones with less pronounced treble notes, while mahogany produces tonal colors with depth and clarity. The shape and combination of materials used when crafting a guitar’s soundboard also affects its sonic signature allowing players to select one specific instrument over another due to their preference in tone.


One of the most important effects of a sound board in a guitar is to create resonance. Sound boards are designed to vibrate when struck or plucked, causing the sound of the instrument to project much further than if it were made entirely with solid material.

By strategically placing braces and creating a particular design, luthiers (those who build stringed instruments) are able to turn their blueprint into an acoustically optimized structure that amplifies the sound waves produced by strings. This allows more of the guitar’s potential sound to be heard, often allowing it to be heard over other instruments in an ensemble setting. The use of different types of wood can also contribute heavily towards increasing acoustic resonance and projection due to their natural characteristics.

Braces may also be carefully shaped and positioned inside the body for maximum resonance.


The sound board of a guitar is the component that resonates and produces the mellow response to accentuate a quality tone. It is also important to note that there are various types of timber used in different models of guitars. Each variety has its own unique characteristics which can either enhance or reduce the dynamics of the soundboard.

The materials used will determine how well it reflects the vibrations picked up by the strings, and hence how loud, clear and powerful it can become. Many experienced players take time to choose their soundboard for its textures, dynamics and warmth.

There are two key factors in establishing this dynamics i.e., density and thickness of the material from which it is made from. A dense material would produce warmer tones whereas thinner material will prove more lightweight yet equally loud with a sharper attack overall. Cedar plays an important role here because its resonance often gives picking sounds a natural warmth while bass sounds have more power than other materials like spruce or mahogany due to its grain tightness.

Another factor worth considering is physical characteristics such as grain straightness, age and temperature when buying your own soundboard as these components play an important role when looking towards improving dynamic response quality of your guitar’s tone output. Quality boards offer great flexibility in terms of various musical styles including jazz, rock or fingerstyle playing techniques allowing you to control the vibrato or volume seamlessly while tonal clarity remains smooth even at higher volumes setting you aside from other players due to standard reverberation levels. Quality soundboards single-handedly improve any guitar making them well worthy investments for experienced players alike!


The sound board of a guitar is one of the most important components to achieving excellent sound quality. The soundboard, also known as the top, helps the sound resonate for a fuller, richer tone. Depending on its material and construction, the soundboard can greatly alter the warmer or brighter tones of a guitar.

Although selecting a guitar is a personal choice based on preference and desired sound, understanding what goes into making that sound is essential knowledge for any guitarist. Hopefully this guide has helped you learn more about the importance of a sound board in creating great tone!

I'm Joost Nusselder, the founder of Neaera and a content marketer, dad, and love trying out new equipment with guitar at the heart of my passion, and together with my team, I've been creating in-depth blog articles since 2020 to help loyal readers with recording and guitar tips.

Check me out on Youtube where I try out all of this gear:

Microphone gain vs volume Subscribe