The Yamaha TRBX604FM is built for players who demand both versatility and tone without compromise. With a 3D-sculpted alder/maple body topped with striking flamed maple, this bass blends timeless aesthetics with a modern, punchy sound. A 5-piece maple/mahogany neck offers strength and smooth playability, while Yamaha’s custom 3-band EQ and switchable active/passive preamp give you the tonal flexibility to cut through any mix. Whether you're laying down tight grooves or exploring lead bass textures, the TRBX604FM delivers style, performance, and precision in equal measure.

Features

• Sculpted alder/maple body with flamed maple top
• 5-piece maple/mahogany neck for strength and stability
• Slim 1.5" (38 mm) nut width for fast, comfortable playability
• 3-band EQ with active/passive preamp and battery alert LED
• Dual Alnico V humbuckers for warm, dynamic tone
• Die-cast bridge and covered tuners for reliable performance
• Available in multiple premium finishes

Specifications

General
- Construction: Bolt-on
- Scale Length: 34" (863.6 mm)

Body
- Body Material: Alder with Flamed Maple Top

Finish Options:
- Translucent Black, Dark Red Burst: Gloss Polyurethane
- Matte Amber, Natural Satin: Satin Polyurethane

Neck & Fingerboard
- Neck Material: Maple/Mahogany 5-piece
- Neck Finish: Satin Polyurethane
- Fingerboard Material: Rosewood
- Fingerboard Radius: 250 mm (10")
- Fret Wire: Medium
- Number of Frets: 24
- Nut Material: Urea
- Nut Width: 38 mm (1.5")
- Width @ 12th Fret: 56.4 mm (2.22")
- Thickness @ 1st Fret: 19.5 mm (0.76")
- Thickness @ 12th Fret: 21.5 mm (0.84")

Electronics
- Neck Pickup: Double Coil / Alnico V
- Bridge Pickup: Double Coil / Alnico V
- Controls: Master Volume, Pickup Balancer, 3-Band EQ (Bass, Middle, Treble), Active/Passive Switch
- Battery Alert LED: Yes

Hardware
- Bridge: Die-cast
- String Spacing: 19 mm (0.74")
- Tuning Machines: Covered, Die-cast
- Pickguard: None

Strings
- Factory Strings: D’Addario EXL170 (.045–.100)

Accessories
- Included: None
- Case: Not Included
- Special Features: Active/Passive preamp with LED battery alert