Yamaha TRBX504 4-String Premium Electric Bass – Brick Burst
The Yamaha TRBX504 is built for players who demand a professional-grade instrument with rich tone-shaping versatility. Crafted from premium solid mahogany and featuring a 5-piece maple/mahogany neck, this bass offers stunning sustain and balance. Its active/passive circuitry with 3-band EQ and a pair of YGD-designed H5 Alnico humbuckers gives you absolute control over your sound—whether you're dialing in gritty punch or smooth lows. Finished in a sleek Brick Burst satin, it delivers both performance and aesthetic power.

Features

• Solid sculpted mahogany body with satin Brick Burst finish
• 5-piece maple/mahogany neck with rosewood fingerboard
• Dual YGD-designed H5 Alnico V humbuckers
• 3-band active EQ with passive switch option
• 19mm string spacing and die-cast bridge for precision and comfort

Specifications

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

Body
- Body Material: Mahogany
- Body Finish: Satin Polyurethane

Neck
- Neck Material: Maple/Mahogany 5-Piece
- Neck Finish: Satin Polyurethane
- Fingerboard Material: Rosewood
- Fingerboard Radius: 10" (250 mm)
- Fret Wire: Medium
- Number of Frets: 24
- Nut Material: Urea
- Width @ 0 Fret / 12th Fret: 38.0 / 56.4 mm
- Thickness @ 1st Fret / 12th Fret: 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: 19mm
- Tuning Machines: Covered / Die-cast

Other
- String Gauge: D'Addario EXL170 / 0.045–0.100