Source Audio ZIO Analog Front End + Boost Nautilus There's also a high pass

There's also a high pass filter at 80Hz

You'll immediate feel like working with Lego and see how simple it is to just activate/deactivate/level the building blocks of a kick sound – and all of that only a mouse click

which can operate for up to eight hours on two AA batteries

Works with P9RA

Source Audio ZIO Analog Front End + Boost Nautilus There's also a high passZIO Analog Front End + Boost The goal in creating the ZIO Analog Front End + Boost was simple yet ambitious: Make Everything Sound Better! ZIO is an all analog preamp boost pedal that includes a choice of four distinct preamp circuits, each with up to +20dB of additional output boost. ZIO is Source Audios first all analog effects pedal and designed in collaboration with Christopher Venter, the owner and sole engineer at SHOE Pedals. "The Better Box"