Detail 01
Dual carbon-fiber rods and dual-action truss rod
The neck has added reinforcement and a truss rod designed for adjustment.
Product detailSKU #1500000256219
Schecter Guitar ResearchJ-4 Rosewood Fingerboard Electric Bass Gloss Black Black Pickguard
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Independent shopping perspective
The Korena take
Built around a passive Monstertone-J pickup set, this J-4 gives players two volume controls and a master tone with a push-pull setting for a vintage-leaning option. Its alder body pairs with a 34-inch maple Thin C neck, while dual carbon-fiber reinforcement and an accessible truss rod support neck adjustment. The fixed custom bridge accepts either string-through-body or top-loaded strings, letting you choose between the two listed stringing paths.
Strong match
Who this is for
- Players who want a passive four-string bass with separate pickup volumes and a push-pull tone control.
- Stage or rehearsal setups where either string-through-body or top-loaded strings suit the chosen setup.
Consider the trade-offs
When to look elsewhere
- Players who need an included case or gig bag.
What matters in use
The specifications, translated
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.
Detail 02
21 narrow X-jumbo frets on a rosewood fingerboard
The fretted playing surface combines rosewood with 21 narrow X-jumbo fret positions.
Detail 03
Volume 1, Volume 2, master tone
Each pickup has its own volume control, with one master tone control for the bass.
Detail 04
1.5-inch nut width and 16-inch fingerboard radius
These are the listed neck dimensions to compare with your preferred bass setup.
Final check
Know before you order
- 01A case or gig bag is sold separately.
- 02Choose whether to use the bridge's string-through-body or top-load stringing option.
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01Is the J-4 active or passive?
It uses passive pickups and has no active preamp.
02How many strings does it have?
It is a four-string bass.
03Can the tone control access another voicing?
Yes. The master tone control is push-pull and switches to a more vintage-flavored setting.
Reference
Full specifications
The complete catalog record, organized around the decisions musicians make when comparing gear.
4 detailsPickups & controls
- Special electronics
- Push-Pull tone control
- Active preamp
- No
- Pickup Configuration
- HH
- Active or passive pickups
- Passive
6 detailsPlayability
- Number of Frets
- 21
- Scale Length
- 34 in.
- Orientation
- Right handed
- Number of strings
- 4
- Number of frets
- 21
- Number of Strings
- 4
10 detailsBody & build
- Bridge Type
- Fixed
- Country of Origin
- Indonesia
- Color Finish
- Gloss
- Nut material
- Tusq
- Color
- Black
- Body Material
- Alder
- Body wood
- Alder
- Fingerboard Material
- Rosewood Radius: 16 in. Fret size: Narrow X-Jumbo Number of frets: 21 Inlays: Dot Nut material: Tusq Nut width: 1.5 in. (38.1 mm) Body Cutaway: Double cutaway Construction: Solidbody Body wood: Alder Body finish: Gloss Orientation: Right handed Controls Control layout: Volume 1, volume 2, master tone Coil tap or split: Coil tap Hardware Bridge type: Fixed Bridge design: Custom bass string thru (or top load) Tuning machines: Open-geared Color: Black Other Number of strings: 4 Pickguard: Yes Special features: Electronics Case: Sold separately Country of origin: Indonesia
- Body finish
- Gloss
- Neck joint
- Bolt-on
2 detailsSize & weight
- Nut width
- 1.5 in. (38.1 mm)
- Scale length
- 34 in.
31 detailsOther
- Pickup configuration
- HH
- Series or parallel
- Parallel
- Coil tap or split
- Coil tap
- Construction
- Solidbody
- Color
- Black
- Korena Special
- false
- Tuning machines
- Open-geared
- Orientation
- Right handed
- Brand
- Schecter USA
- Pickguard
- Yes
- Bridge
- MonsterTone-J
- Control layout
- Volume 1, volume 2, master tone
- Radius
- 16 in.
- Shape
- Thin C
- Inlays
- Dot
- Truss rod
- Dual-action
- Case
- Sold separately
- Special features
- Electronics
- Tier
- new
- Fret size
- Narrow X-Jumbo
- Neck
- MonsterTone-J
- Finish
- Gloss
- Category Source
- detail
- Wood
- Maple
- Bridge design
- Custom bass string thru (or top load)
- Cutaway
- Double cutaway
- Material
- Rosewood
- Country of origin
- Indonesia
- Bridge type
- Fixed
- Source Id
- site51500000256219
- Prop65
- WARNING: This product can expose you to chemicals including Titanium dioxide (airborne, unbound particles of respirable size), which is known to the State of California to cause cancer, and Ethylene glycol monomethyl ether acetate, which is known to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
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