The BH500 boasts razor-sharp tone-shaping tools like TubeTone™ emulator for tube-like sound and response, SpectraComp™ compression, and bass-tuned tone controls. Also, its three user memories let you change your tone at any given time. An integrated tuner lets you tune up in silence before you rock. EQ is always a bass essential, so the BH500 is equipped with a great-sounding 4-band EQ which is perfect for shaping your fundamental tone. Further, with two contour filters you can scoop the mid frequencies, which creates an amazing low-end punch on demand..