Yamaha TRBX504 4-String Bass - Brick Burst

The Yamaha TRBX504 brings professional tone, flexibility, and comfort to working bass players. Its sculpted solid mahogany body in the stunning Brick Burst finish provides warmth and resonance, while the 5-piece maple/mahogany neck with a smooth rosewood fingerboard ensures stability and easy playability.

Loaded with dual YGD-designed H5 alnico humbuckers and a versatile active/passive preamp with 3-band EQ, the TRBX504 lets you dial in everything from vintage thump to modern clarity. At 34" scale length and 19mm string spacing, it’s equally reliable on stage, in the studio, or at home.

The TRBX504 in Brick Burst blends sharp looks with pro-level features—an instrument that adapts to your sound and inspires confidence in every setting.

Why Buy from Roxy Music?

Since 1939, Roxy Music has been helping musicians find the right gear. Every instrument we sell is inspected and includes a free professional setup from our in-house techs before shipping—our Roxy Music Promise. Family-owned, Fender-certified repair center, and trusted with 2,800+ 5-star Reverb reviews.

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Product Details

• Construction: Bolt-on
• Scale Length: 34" (863.6mm)
• Body: Solid Mahogany, Brick Burst Satin Polyurethane finish
• Neck: 5-piece Maple/Mahogany
• Neck Finish: Satin Polyurethane
• Fingerboard: Rosewood, 24 medium frets, 10" radius
• Nut: Urea, 38mm
• Neck Width: 38.0mm at nut / 56.4mm at 12th fret
• Neck Thickness: 19.5mm (1st fret), 21.5mm (12th fret)
• Pickups: YGD H5 Alnico V humbuckers (neck & bridge)
• Controls: Master Volume, Pickup Balance, 3-band EQ (Bass, Middle, Treble), Active/Passive switch
• Bridge: Die-cast, 19mm string spacing
• Tuning Machines: Covered die-cast
• Strings: D’Addario EXL170 (.045–.100)

The item in the photos is the item being shipped.