The most useful bass gear that is a must have

 Zoom B1Four Bass Multi-effects Processor

How to turn on the unit:

Drum Machine demo and sound test:

My favourite patches from Zoom B1Four:

Here are the reason why it is the most useful gear for bass players:

1. Built-in tuner

2. Portability (can be powered using battery or USB charger)

3. Builtin-Amp sim/Cab Sim

4. Dual output as amp out or lineout/headphones out.

5. Drum machine/metronome

6. Tons of effects

7. Can chain the effects any way you want like a virtual pedalboard

8. Built-in looper for practise and live performances