Seymour Duncan has taken its award-winning, low-noise Blackouts™ balanced differential preamp out of the pickup and integrated it with a high-quality volume pot. Blackouts™ Modular Preamp is an ingenious way to get that high-gain, active guitar sound with any passive four-conductor pickup. Simply by swapping a volume pot for a Blackouts Modular Preamp volume pot, you can get active pickup performance with a more classic look.