Sadowsky started out modifying vintage (Fender) basses, which were at that time inexpensive, to improve their sound by adding more noise reduction technology and replacing the passive electronics with an active preamp, which increases the signal to noise ratio of the bass's signal. Once the price of vintage bass guitars began to take off, Sadowsky started creating entire bass guitars, and finally, requests for signature models.
The Sadowsky Metro line are the basic models of Sadowsky NYC basses made by Sadowsky Tokyo and offers most of the same features, minus the custom options, of the NYC line at a more affordable price.
Sadowsky Guitars Ltd. makes 4 and 5 string bass guitars and 6 string guitars. The bass guitars have a 34 inch scale length with no current models offered in longer or shorter scale lengths.
Sadowsky instruments are used by high profile musicians including Willie Weeks, Will Lee, and Jason Newsted, who once placed a single order for nine Sadowsky bass guitars, as well as Alter Bridge and Creed bassist Brian Marshall, who has used them exclusively since 2004.
In 2007, Roger Sadowsky heard Australian bass player Tal Wilkenfeld on the instrument, and she accepted an offer made by him as the official endorser of Sadowsky bass guitars. She still continues to retain this position.