Amps that pair well with the EarthQuaker Devices Arrows Pre-Amp Booster

gain stackingStacks two gain stages for more saturation than either produces alone. (mid-forward → high gain)

Friedman Dirty Shirley layers high gain onto an already mid-forward signal

Comes later in the signal chain

fills a frequency gapFills in a frequency range the other side doesn't cover, instead of piling more onto what's already there. (bright → warm)

Fender Prosonic's warm balances out the bright tone

Comes later in the signal chain