Sigma DM-18

(1 customer review)


Get the best sound out of your music with the Sigma DM-18 – a professional-grade monitor with high-fidelity drivers and advanced acoustic design.



The Sigma DM-18 is an affordable acoustic guitar that offers remarkable sound quality and an excellent playing experience. Sigma is a renowned guitar manufacturer that specializes in building dreadnought acoustics that are comfortable and make playing easier.

The DM-18 has a classic dreadnought design that features a solid Sitka spruce top that ensures a rich acoustic sound. Besides, the use of mahogany for the guitar’s sides and back provides warm tone qualities. The DM-18’s neck is made of mahogany and has a slim profile that allows for easier finger placement and comfortable fretting

The guitar’s fretboard is constructed using Indian rosewood, and it features resilient little dots that serve as fret markers. The use of rosewood ensures a smooth playing experience that will enable you to produce all the right notes. The DM-18 also comes with 20 frets, which are suitable for a broad range of playing styles.

The guitar features an intricate, elegant design that makes it stand out from the rest. The instrument also comes with a tortoise pickguard that protects the guitar’s top from scratches and damage. The guitar also has an ornate headstock that completes its overall appearance.

The guitar has an exceptional sound quality, thanks to its dreadnought design. It delivers a strong and balanced sound that is versatile enough to handle different music styles. With the DM-18, you can easily produce crisp highs, punchy mids, and thunderous lows that will captivate your listeners.

The DM-18 has a budget-friendly price that makes it an excellent option for beginners looking to invest in a quality acoustic guitar. Besides, intermediate players can also benefit from the DM-18’s remarkable sound quality, and excellent playability.

In conclusion, the Sigma DM-18 is an excellent acoustic guitar that offers exceptional sound quality, excellent playability, outstanding design, and affordability. Whether you are a seasoned player or just starting, the DM-18 will serve you well and offer you a remarkable musical experience. So, if you are looking for a quality acoustic guitar that won’t break the bank, the Sigma DM-18 is a fantastic option.

Sigma DM-18 properties

Product name DM-18
Brand Sigma
Type String Instruments
String Instruments Acoustic Guitar
String Type Nylon
Built-in Microphone No
Cutaway No Cutaway
Size 4/4

Additional information


Product type

String Instruments

String Type

Built-in Microphone



1 review for Sigma DM-18

  1. Hudson Rich

    I am absolutely thrilled with my Sigma DM-18 acoustic guitar! As an office clerk in Memphis, music is my passion and I was on the lookout for the perfect guitar to take my skills to the next level. And boy, did Sigma deliver!

    The no cutaway design of this guitar is fantastic for comfort and playability. It allows for easy access to the higher frets and gives your hands the freedom to fully explore the fretboard. The sound is rich, warm, and full-bodied; making it perfect for any genre of music you choose to play.

    What really sold me on the Sigma brand is their attention to detail and exceptional craftsmanship. Every inch of this guitar is perfectly designed and constructed, allowing it to withstand the test of time. In comparison to other well-known acoustic guitars, the Sigma DM-18 stands out with its exceptional sound quality and versatility.

    One thing to note is the efficient delivery of this guitar to Memphis. The shipping was prompt and the customer service team was helpful, ensuring that the guitar arrived safely and on time. Overall, I am immensely satisfied with my purchase and would highly recommend the Sigma DM-18 to any musician looking for a top-quality acoustic guitar.

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Frequently Asked Questions:

How does the Sigma DM-18's onboard electronics system enhance its playability and versatility as an acoustic guitar?

The Sigma DM-18's onboard electronics system not only makes it easy to amplify and enhance the sound of this already exceptional acoustic guitar, but also provides a host of features that make it more playable and versatile. The CT4B II preamp includes a built-in tuner, volume control, and tone shaping options such as bass, mid, and treble adjustments, making it easy to dial in the perfect sound for any playing situation. Additionally, the DM-18 features a high-quality pickup system that captures every nuance of your playing style, providing crystal-clear, rich acoustic tone when amplified or recorded. Overall, the onboard electronics system found on the Sigma DM-18 enhances its playability and versatility by making it an incredibly user-friendly and adaptable instrument for a variety of musical settings.

How does the Sigma DM-18's unique X-bracing pattern contribute to its projection and volume compared to traditional scalloped bracing techniques?

The Sigma DM-18's unique X-bracing pattern, which features a horizontal brace bar that splits into two diagonal bars as it approaches the bass side of the bridge, contributes significantly to the guitar's projection and volume compared to traditional scalloped bracing techniques. The X-pattern provides added strength and rigidity to the top board while also allowing for greater vibration and resonance. This results in a more powerful and balanced sound that is both loud and clear, making the DM-18 an excellent choice for performers who demand exceptional projection and volume from their acoustic guitars. In contrast, traditional scalloped bracing techniques, which involve curved bars beneath the strings, are designed primarily to improve tone and response rather than volume or projection. While they do offer some benefits in terms of clarity and sustain, they may not be as effective at amplifying sound as the X-bracing pattern used in the DM-18. Overall, the unique X-bracing pattern on the Sigma DM-18 sets it apart from other guitars in its class and makes it a top choice for musicians who require exceptional projection and volume.