If you're looking for a bass digital auto tuner, you have a few good choices to choose from.

First on the list is the Seiko SAT100B Guitar/Bass Digital Auto Tuner.  The price is cheap at only $12.15 on Amazon.  Click here to see it.

The Seiko Digital Auto Tuner is great for a guitar or bass.  It features features selectable auto and manual-tuning with different sound modes.

It offers a wide range of reference tones from low B to one octave above high E.

There is also an adjustable calibration from 435-446Hz in 1Hz increments with a built in microphone.

Next up is the Cherub WST-523 Guitar/Bass Digital Auto Tuner.  Like the Seiko listed above the price is relatively cheap at $19.17 on Amazon.  Click here to see it.

It's similar to the Seiko with a few more options.  It works better than the Seiko in noisy environments.  It offers 2 different tuning modes in the form of vibration and microphone which can be an advantage for many bass players.

Last up is the Korg DTR-2000 Pro Rack Mount Multi-Mode Auto Chromatic Tuner.  This system is for the professional Guitar and Bass player out there.  It offers a wide variety of settings and modes that will give you an extremely accurate tuning.

If you are a professional musician who is looking for a bass digital auto tuner then this is the one for you.

Click here to see the full specs of the Korg DTR-2000 Pro Auto Chromatic Tuner