DR FAT Beams 5 String Bass 45-130 Modeler you can do firmware updates

you can do firmware updates using DFU updater software

This lets you dial in the desired frequency range from rich and full to treble-heavy

The amp also accepts 6V6 or KT66/88 power tubes with a simple re-bias

- 9-Volt battery included

while the Arena size is huge

DR FAT Beams 5 String Bass 45-130 Modeler you can do firmware updatesFAT BEAMS Bass Strings blend the finest American stainless steel wrap wire on a round core, but are made with a slower and high compression winding process to produce more pronounced mids, bright highs and a super fat bottom. They produce an overall fuller sound with a solid punch when its needed. The stainless steel wrap wire produces a balanced brightness that cuts through the band The round core increases flexibility for a smooth feel and solid