The neck of your guitar or bass should have some ‘bow’ in it. In other words it really shouldn’t be perfectly straight. Fret buzz is generally caused by some combination of not enough bow in the neck, the bridge string height being set too low, and possibly a warped or irregular neck.
Accordingly, how do I stop my bass from buzzing?
Regarding this, is it normal for bass strings to buzz? If the strings get way too close to the frets at the nut end – you might even get some buzzing on your lowest strings when played open. If this is contributing to fret buzz, you can have the nut replaced and properly slotted for the gauge strings you use. Another thing that can cause fret buzz is worn frets.