Carvin Introduces the KOA Acoustic Guitar Preamp

The KOA Acoustic Preamp offers classic, natural acoustic tone with unprecedented tonal control and extended headroom.


Designed for performing guitarists and pro musicians, the Koa preamp offers classic, natural acoustic tone with unprecedented tonal control and extended headroom. The Koa begins with a boutique flat response and adds extensive tone capabilities, allowing you to carve out your signature sound.

The pedal’s interface is intuitive and well laid out, making it easy for you to adjust your acoustic guitar settings on-the-fly. Harmonic content increases as you turn up the INPUT GAIN control, producing the rich harmonics you desire from your preamp. Lightweight, compact design, bullet-proof construction, and a list of indispensable features assure the Koa will be the heart of your tone for years to come.

Key Koa features include:

  • Preamp GAIN and master VOLUME controls
  • BLEND control adjusts the EQ/dry mix
  • Mid sweep semi-parametric EQ
  • COMPRESSOR: Threshold and Strength controls
  • Effects Loop
  • True Bypass
  • Switchable MUTE
  • THRU/TUNER output jack independent of MUTE switch
  • -10dB Attenuation switch
  • DIRECT OUT balanced XLR and 1/4-inch
  • 9V Power supply included. 90-230VAC, 50-60Hz
  • Battery compartment for 9V battery operation

Carvin KOA Acoustic Guitar Preamp

The KOA acoustic preamp is available for $239. For more information, please visit carvinaudio.com.

Kick off the holiday season by shopping for the guitar player in your life at Guitar Center! Now through December 24th 2022, save on exclusive instruments, accessories, apparel, and more with hundreds of items at their lowest prices of the year.
We’ve compiled this year’s best deals in the 2022 Holiday Gift Guide presented by Guitar Center.

Read MoreShow less

Sporting custom artwork etched onto the covers, the Railhammer Billy Corgan Z-One Humcutters are designed to offer a fat midrange and a smooth top end.

Read MoreShow less

Designed for utmost comfort and performance, the Vertigo Ultra Bass is Mono’s answer to those who seek the ultimate gigging experience.

Read MoreShow less

The Generation Collection of acoustic guitars features the exclusive Gibson Player Port designed to offer a unique and immersive sonic experience.

Read MoreShow less