What Are Class D Amps

Guitarists are always searching for the perfect sound, and finding the right amplifier is a crucial part of that quest.

While traditional tube amps have been popular for decades, they are often expensive, heavy, and require regular maintenance.

As a result, many guitarists have turned to class D guitar amps, which offer a lightweight, cost-effective, and reliable alternative.

In this post, we’ll take a closer look at class D guitar amps, exploring how they work, their sound quality, and some of the most famous models on the market today.

How Class D Amp Works?

class d amp diagram

Class D amps use a switching amplifier design that makes them more efficient than other amp classes.

Rather than using vacuum tubes, class D amps use a switching transistor to create high-frequency pulses that are amplified by a small transformer.

This design allows for a more compact and lightweight amp that consumes less power and generates less heat.

One potential downside of this design is that it can create a harsh, digital sound. However, many class D amps are designed to minimize this issue, with advanced signal processing and tone shaping that can create a warm, tube-like sound.

How Class D Amp Sound?

class d amp preamp

Despite their unique design, class D guitar amps are capable of producing a wide range of sounds.

While they may not have the warmth and depth of an A/B amp, they often provide a clean, clear sound that is well-suited to modern genres like pop, rock, and metal.

Class D amps can also offer a high degree of versatility, with built-in effects, EQ controls, and other features that allow you to tweak your sound to perfection.

Whether you’re playing in a small club or a large arena, a class D guitar amp can provide the power, clarity, and tone you need to stand out.

Despite their relatively compact size, they are capable of producing a full, rich sound that can fill any room.

They are a great option for any guitarist looking to create their own unique sound.

Famous Class D Amps

If you’re in the market for a class D guitar amp, there are plenty of options to choose from. Some of the most famous models include the Quilter Labs 101, Orange Terror bass, and the TC Electronic BAM200.

Quilter Labs 101 is a class D guitar amp head with reverb, FX loop, and output for headphones. It produces 50 watts of power and offers great sound.

Orange Terror Bass is a huge, 500-watt bass amp head with awesome sound and power. It’s a hybrid amplifier with an FX loop and Pad switch for active and passive basses.

And TC Electronic BAM 200 is another bass amp head that has a power of 200 watts, a ground lift switch, and a MOSFET preamp stage.


Whether you’re a beginner or an experienced pro, a class D guitar amp can be an excellent choice for your amplification needs. With their efficiency, versatility, and portability, they offer a compelling alternative to traditional tube amps and are well worth considering if you’re in the market for a new amp.