Home Features Guitar/Bass Hartke HD50 Bass Combo Amps just $179.99 after $20 mail-in rebate until...FeaturesGuitar/Bass Hartke HD50 Bass Combo Amps just $179.99 after $20 mail-in rebate until Aug 31st!By Aldrine Guerrero - July 15, 2014The HD50 utilizes Hartke’s revolutionary HyDrive speaker design into a sleek combo that’s ideal for practice, jam sessions and small rehearsal spaces RELATED ARTICLESMORE FROM AUTHORUnderstanding Amp ImpedanceTop 10 Weirdest Gibson Guitars Of All TimeBoss Nextone Guitar Amps: Everything You Need to Know