https://shop.fender.com/en-AU/accessories/pedals-power-products/level-set-buffer/0234530000.html?rl=en_US
Fender's Level Set Buffer will be a welcome addition for anyone wishing to retain their guitar's tone integrity over long cable/pedal signal paths and also people who swap, for example, single coil equipped guitars with humbuckers during their set. The ±12dB Level and High Frequency controls will let you equalise levels and top end while the Load toggle will help your pickups perform to their optimum as it it introduces amp-like capacitance load to the signal. Neat!