Taylor Guitars
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Building on the fully balanced output of the Taylor Expression System™, we created the Taylor K4’s EQ for the specific frequencies of the acoustic guitar. We designed its voicing for the Dynamic Sensors™ that are an essential, and exclusive, part of the ES. Now, you can shape your guitar’s tone by zeroing in on the notes or frequencies of your choice and then cutting or boosting them to taste.
K4 Preamp and Equalizer
Rollover controls to learn more.

Treble/Bass
Adjust the sweetness of your tone by lifting treble or bass with the legendary circuitry of audio designer Mr. Rupert Neve.
Adjustable Q
With the Q control, you can decide whether to cut or boost an exact note or to include notes on either side.
Frequency Select
Adjust EQ for environment or to express new ideas. Set to any range of notes on your guitar, then isolate for adjustment.
Headphones
Plug in to check out your system or practice in privacy, and hear your Taylor K4’s great sound no matter where you are.
Power
Forgot your power supply? Two standard C batteries will provide power to get you through the gig.
Output
Drive an amp or PA—or both at the same time—with the Taylor K4 Equalizer’s transformer-coupled, balanced outputs.
Loop
Reverb? Stomp box? Volume pedal? Hook your effects in here and maintain a balanced signal chain.
Input
Active or passive, balanced or unbalanced, the Taylor K4 Equalizer’s transformer-coupled input stage accepts them all.
Treble/Bass Adjustable Q Frequency Select Headphones Power Output Loop Input