Seymour Duncan Hot Stack Jazz Bass (STK-J2) – BridgeThe Hot Stack Jazz Bass (STK J2) is a noiseless pickup that will deliver increased output and a fatter tone for any 4 string Fender American Standard Jazz Bass. We took the noiseless Classic Stack and ratcheted everything up another notch. For the Hot Stack Jazz Bass, we increased the output and thickened up the mid range response, which gives rock tones an added push without getting harsh. The slightly overwound bridge model pairs perfectly with the