Bass, 4 String count
+Fretless design for smooth, slide-friendly playing
+Four-string bass in the Thumb BO model
+Thumb BO model from the Pro Series line
−Fretless necks take time to learn accurate intonation
$2,899.00-26%List: $3,895.00
as of 11/04/2026 07:40 PST - DetailsProduct details
Warwick Pro Series Thumb BO Fretless 4-string Bass - Natural Satin$2,899.00as of 11/04/2026 07:40 PST - Details
View on AmazonPros
+Fretless design for smooth, slide-friendly playing
+Four-string bass in the Thumb BO model
+Thumb BO model from the Pro Series line
Cons−Fretless necks take time to learn accurate intonation
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