Here is mine.
The DR-6C (custom version, their deluxe model).
The actual last one they made in 1992.
They were made with and without the Fender logo (that was located between the tuners) at the same time.
The Fender logo ones being quite rare according to Steve Bailey (the fretless DR-6 was his main bass until he signed with Aria).
They were released in 1988, just before the TRB line cale out (approx 1 year appart), so I wouldn’t call them a ripoff.
They are also a bit lighter, have a shallower fretboard, an easier to reach battery compartiment, and have more playable frets near the body.
Speaking of the fretboard, it has a a full layer of carbon underneath it, that covers the top of the headstock too.
They also have a Low-Z xlr output for direct recording/live purposes without the need for a D.I.
Unfortunately my bass has the xlr disconnected because the first owner changed the pre-amp (and updated the tuners to Hipshot Ultralite models).
I’m planning on having it re-connected, and have the switch work as a mute switch.