Aria 313JP Detroit Series 4-String Fretless Bass Guitar in Open-Pore Sunburst Finish

Aria Pro II Hot Rod Tribute Collection

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Please Note: Product specifications may change without notice.

The 313-JP Detroit 4-String Fretless Bass is part of the Aria Pro II Hot Rod Collection and unites heritage among Vintage, Retro, Boutique, and Modern. The Aria Pro II 313-JP is a fretless bass guitar which was inspired by one of the all-time great legends.

The roasted maple neck and fretless rosewood fingerboard generate a superior vintage tone and an open-pore satin finish maximizes its body resonance as well as completing the stunning appearance. Equipped with alnico-5 pickups, it is tonally very versatile for any bass player.


  • Fretless fingerboard with faint fret lines that are mounted for accurate note pitching while the bass generates low-thick and mellow tone which particular to fretless basses.
  • Open-pore Matte Finish enhances the body resonance.
  • Roasted Maple, Heel-less Bolt-on Neck
  • Spoke wheel truss rod adjuster for easy neck adjustment. There‚Äôs no need to fiddle around with truss rod covers, wrenches or,  heaven forbid, remove the neck to make seasonal adjustments.


Brand Aria
TypeElectric Bass Guitars
TypeFretless Bass Guitars
SeriesAria Hot Rod Collection
FinishOpen-Pore Sunburst
Body WoodAsh
NeckRoasted Maple, Heel-less Bolt-on
Frets24 (Fretless)
Scale Length864mm
NutWidth - 1.578" (40 mm)
Machine HeadsChrome
PickupsJV-4 (Alnico-5) x 2
Controls1 x Volume, 1 x Tone, 1 x Balancer
Unique FeaturesFretless Configuration

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