Dual Boost" two switch Onboard Mid Boost/Frequency Expander
Products – AnalogWorkshop
Artec VTC Vintage FET Tone Booster On Board Circuit for Electric Guitar & Bass _ - AliExpress Mobile
Aguilar OBP-1TK Separate 2 Band Boost 9 or 18 Volt On Board Bass Pream – Specialty Traders
K-Boost - RSD Sound
How to Install a Guitar Gain Boost Circuit (Artec) - YouTube
Pitcher Amplification
PA1 JB Onboard Preamp (E1012) - Guitar Hardware -Dein Gitarrenteile und Griffbrett Shop
BECOS FX Micro Booster MK4 Onboard Guitar Preamp with Push-Push Switch-Pot, 250K (for Single Coil) | guitar pedals for any genre
Onboard Preamp- Clapton Mid Boost, Brian May Treble Boost, C
Simple OnBoard JFet Preamp for Piezos – Cigar Box Nation
Onboard Preamp- Clapton Mid Boost, Brian May Treble Boost, C
Fun with Onboard Boosters! - tonefiend.com
DIY: How to Install Onboard Effects - Premier Guitar
Demeter MID Boost/Fat Control Onboard Guitar Device
Dual Boost" two switch Onboard Mid Boost/Frequency Expander
ESP MM-04 Preamp Booster - Musamaailma
Fender Onboard Preamps & EQ | Musician's Friend
BECOS Micro Boost-EQ Onboard Guitar Preamp with Tilt-EQ, Variable Gain, Push-Push True-Bypass - 250K | Reverb
Active Circuit Onboard Effects, QTB ~ Quadra Tone Booster Driver
Psycho Knob Board - Internal Distortion/Boost/Overdrive for Guitar or Amp - now with pre-wired leads! - C. B. Gitty Crafter Supply
GFS Onboard Guitar Enhancer Preamp Booster, DOD 250 | Reverb
Let's Build a Simple Pedal - A Guitar Boost - Barbarach BC
Active Onboard Guitar Preamp - EQ-Boost (Based on VSC-3) - AnalogWorkshop | eBay
Anyone here build a treble boost circuit into their guitar? | The Gear Page
