Patchblocks tek.filter
The Patchblocks minijam tek-filter is a Portable analog filter with low-pass and band-pass mode.
This analog filter unit can be used in combination with the minijam studio or with any other audio source. It offers rotary controls for the filter frequency as well as the resonance. A small pushbutton allows to change between low-pass and band-pass mode. The device is powered by a built-in LiPo battery, which can be recharged with the included micro USB cable.
resonant low-pass / band-pass filter
up to 40h battery life
Euroguitar Reference : 77532