Head to head
Harley Benton JB-20 MB vs Harley Benton MM-84A SB
The verdict
The Harley Benton JB-20 MB and Harley Benton MM-84A SB are closely matched overall — 65 to 67 on our estimated score.
Estimated from specs & owner reviews — a starting point, not a substitute for playing both.
Harley Benton JB-20 MB wins on
- Lower price ($130 vs $206)
Harley Benton MM-84A SB wins on
No standout advantage.
Scorecard
| Metric | JB-20 MB | MM-84A SB |
|---|---|---|
| Overall | 65 | 67 |
| Build | 58 | 61 |
| Playability | 70 | 72 |
| Sound | 60 | 63 |
| Value | 75 | 77 |
Full specifications
| Spec | JB-20 MB | MM-84A SB |
|---|---|---|
| Brand | Harley Benton | Harley Benton |
| Type | Bass | Bass |
| Years | — | — |
| Country | — | — |
| Body wood | Poplar | Poplar |
| Neck wood | Maple | Canadian maple |
| Fretboard | Laurel | Maple |
| Strings | 4 | 4 |
| Frets | — | — |
| Scale | 34.02" | 34" |
| Pickups | 2 JB-style single-coils | 2 x Roswell MFR4 MM Big Pole MM-Style humbuckers with coil split and active preamp |
| Rating | — | — |
| Price | $130 | $206 |
| Controls | 2 volume and 1 tone | Volume, Treble, Mid, Bass |
| Finish | Blue Metallic, high-gloss | 3-Tone Sunburst (high-gloss) |
| Fretboard inlay | Dots | — |
| Neck profile | Modern C | D |
| Nut width | 38 mm | 42 mm |
| Scale length | 864 mm | 864 mm (34") |
| String Guages | .040 - .100 | — |
| Bridge | — | DLX diecast |
| Fretboard radius | — | 350 mm (13.78") |
| Hardware | — | DLX chrome |
| Top wood | — | Flamed maple |
| Tuners | — | DLX vintage style |