Built to make big sound for big arenas, the Ampeg B5R 500W Rackmount Bass Amp Head is a heavy-duty option for players who need to make their presence known in heavy genres. Inputs for 0dB and -15dB for hotter signals feeds into a dual-channel design for Clean and Overdrive channels outfitted with features like Ultra Mid control, OD boost, and five tone voices per channel. Top it off with an onboard octave doubler to expand your sound further.