Yamaha TRBX604FM 4-String Premium Electric Bass – Indigo Blue (TRBX604FM IDB)
The TRBX604FM redefines what a modern bass should be—blending superior tonal flexibility, striking aesthetics, and professional performance features. Crafted with an alder/maple-laminated body and a flamed maple top, this bass delivers punch, clarity, and style in equal measure. A slim 1.5" nut width and a 5-piece maple/mahogany neck ensure comfort and precision, while the Yamaha 3-band active/passive preamp system with battery alert LED gives you full control over your sound. Whether on stage or in the studio, the TRBX604FM stands out with balance, beauty, and power.

Features

• Alder/maple-laminated body with flamed maple top
• Maple/mahogany 5-piece neck with rosewood fingerboard
• Slim 1.5" nut width for smooth playability
• Powerful 3-band EQ with active/passive preamp
• Battery alert LED for reliable performance
• Gloss or satin polyurethane finish options

Specifications

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

Body
- Body Materials: Flamed Maple/Alder
- Body Finish: Translucent Black, Dark Red Burst – Gloss Polyurethane; Matte Amber, Natural Satin – Satin Polyurethane

Neck
- Neck Materials: Maple/Mahogany 5-Piece
- Neck Finish: Satin Polyurethane
- Fingerboard Materials: Rosewood
- Fingerboard Radius: 10" (250 mm)
- Fret Wire: Medium
- Number of Frets: 24
- Nut Materials: Urea
- Width @ 0 Fret / 12th Fret: 1.5 / 2.22" (38 / 56.4 mm)
- Thickness @ 1st Fret / 12th Fret: 0.76 / 0.84" (19.5 / 21.5 mm)

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

Hardware
- Bridge: Die-cast
- String Spacing: 0.74" (19 mm)
- Tuning Machines: Covered / Die-cast

Others
- String Gauge: D'Addario EXL170 / 0.045–0.100
- Special Features: Battery Alert LED