Behringer FLOW 4VIO StageConnect I/O Extender Hotone for use as a backing

for use as a backing track when practicing

texture-painted birch enclosures and tour-grade 17 gauge steel grille

but also does it with style

Power requirements are 9V DC with standard negative polarity

with three different characteristics:

Behringer FLOW 4VIO StageConnect I/O Extender Hotone for use as a backingFLOW 4VIO Expander FLOW 4VIO is an external expander and digital stagebox for FLOW 4V. It adds four dual stage microphone preamps and two headphone amps, extending input and monitoring capacity for professional video production workflows. FLOW 4VIO adds four no clip mic preamps, doubling your system to a total of eight. Built to the exact same dual stage, true 32 bit architecture as FLOW 4V, they deliver up to 142 dB of dynamic range. Impressive!