10 Best Acoustic Preamp Pedal 2025 in the United States

The Radial PZ-Pro 2-Channel Acoustic Preamp is an excellent choice for musicians looking to enhance their acoustic instrument's sound, especially those using piezo pickups. It boasts a solid set of features, including phantom power for condenser microphones, switchable filters for tone shaping, and a wet/dry blend function, allowing users to customize their sound to a significant degree. The FX loop adds versatility for integrating effects, making it suitable for live performances or studio recording sessions.

One of the standout strengths of the PZ-Pro is its portable design, weighing just 16 ounces and measuring 9 x 5 x 1 inches, making it easy to transport to gigs or rehearsals. Additionally, the range of input and output options, including XLR and 3.5mm jacks, ensures compatibility with a variety of acoustic instruments such as guitars, violins, and cellos.

There are some drawbacks to consider. While the EQ controls are functional, they may not satisfy more advanced users looking for extensive tone shaping capabilities. Furthermore, being corded electric means it requires access to a power source, which could limit its use in certain situations.

The Fishman Aura Spectrum DI Imaging Pedal is designed for musicians looking to enhance their acoustic sound with a range of built-in features. One of its standout strengths is the 128 acoustic images it offers, allowing users to simulate various mic placements and improve their tone significantly. The pro-quality direct injection (DI) functionality ensures that your sound remains clear and professional when connecting to PA systems. Additionally, the inclusion of EQ controls, compression, and a tuner makes it a versatile tool for live performances and studio recordings alike.

The pedal’s size and weight make it portable, weighing just 2.16 pounds with dimensions that are manageable for gigging musicians. The power supply options add flexibility, as it can be powered by a 9V battery or through a corded electric source. However, some users might find the pedal’s reliance on battery power inconvenient during long sessions if not monitored closely.

On the downside, while the built-in effects are a nice addition, they may not be as extensive or high-quality as dedicated effects pedals. Additionally, the pedal's interface might take some time to learn for those new to such technology. For those looking to enhance their acoustic guitar sound and are comfortable with a bit of a learning curve, the Fishman Aura Spectrum DI Imaging Pedal could be an excellent choice. However, beginners might want to consider simpler options or be prepared to spend time getting to know its features.

The Fishman Platinum Pro EQ DI is a solid choice for acoustic guitar players looking for a reliable preamp pedal. It offers a high-quality metal build that feels durable without being bulky, measuring just under 5 inches and weighing less than 2 pounds, making it fairly portable for stage or studio use. Key features include a balanced XLR output with a switch to choose whether EQ adjustments affect the output, which is great for fine-tuning your sound in different settings.

The pedal also has a footswitchable boost with adjustable level, allowing quick volume increases during performances. One standout is the onboard compression and phase control, which help reduce feedback and smooth out your tone—important for live acoustic playing. Power-wise, it runs on a standard 9V alkaline battery, so you won't need special adapters, though it might not be ideal if you want to avoid changing batteries often.

This pedal is best suited for acoustic guitarists who want a compact, versatile preamp with useful features for live and recording setups. If you need extensive built-in effects beyond compression, or advanced EQ customization, you might want to look elsewhere. Positive customer ratings suggest it performs reliably and meets the expectations of many users in its category.