American Standard Jazz Bass®
Body- Alder
Neck- Graphite Reinforced Maple, Modern “C” Shape, (Gloss Headstock Face with Satin Polyurethane Finish on Back of Neck)
Fingerboard- Rosewood p/n (019-0660) or Maple p/n (019-0662), 9.5” Radius (241mm)
No. of Frets- 20 Medium Jumbo Frets
Pickups- 2 American Standard Jazz Bass Single-Coil Pickups
Controls- Volume 1. (Neck Pickup), Volume 2. (Bridge Pickup), Master Tone
Pickup Switching- None
Bridge- HMV, High Mass Vintage, (Strings-Thru-Body or Topload)
Machine Heads- Fender®/Hipshot® Vintage Keys with Tapered Shafts
Hardware- Chrome
Pickguard- 4-Ply Brown Shell On:
Scale Length- 34” (864 mm)
Width at Nut- 1.50” (38 mm)
Unique Features- Tinted Neck,
Maple Fingerboard Neck: Satin Finish on Back, Gloss Finish on Front;
Rosewood Fingerboard Neck: Satin Finish on Back, Gloss Finish on Headstock Front with Buffed Fingerboard,
Fender Spaghetti Logo,
Posiflex™ Graphite Neck Support Rods,
Rounded Body Shape,
Rolled Fingerboard Edges,
Standard Jazz Bass® (Upgrade)
Body- Alder
Neck- Maple, Modern “C” Shape, (Satin Polyurethane Finish)
Fingerboard- Rosewood, 9.5” Radius (241mm)
No. of Frets- 20 Medium Jumbo Frets
Pickups- 2 "New" Standard Jazz Bass Single-Coil Pickups
Controls- Volume 1. (Neck Pickup), Volume 2. (Bridge Pickup), Master Tone
Pickup Switching- None
Bridge- Standard Vintage Style
Machine Heads- Standard
Hardware- Chrome
Pickguard- 3-Ply White
Scale Length- 34” (864 mm)
Width at Nut- 1.50” (38 mm)
Unique Features- New Pickups and New Vintage Style Jazz Bass Control Knobs
Well from what I can see, the differences are an upgraded bridge, better machine heads, Fender American Jazz pups and graphite neck supported rods. Don't know if that's worth £300 more.