Yamaha TRBX504 Electric Bass Guitar

Available on backorder


Yamaha TRBX504 has a simple brief – tone. The premium mahogany construction and an ultra-musical active/passive pre-amp design deliver flexibility and sheer tonal quality to allow you to sculpt the perfect sound for your music.

Yamaha TRBX504 Features

  • 4 strings
  • Maple / Mahogany 5 Ply Neck
  • Solid Mahogany Body
  • 3 Band Active EQ
  • Battery Alert LED

Yamaha TRBX504 is Pre-Order, please have a chat with us first!

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Yamaha TRBX504 Electric Bass Guitar System

Yamaha TRBX504 features control for master volume, balance, and 3-band EQ with an active/passive switch for maximum flexibility.


YGD-designed H5 pickups are defined by a clean, open tone that’s perfectly matched with the flexibility of the active/passive preamp design. Their quad-polepiece design and alnico magnets give them the power to drive the active circuit and the sensitivity and subtlety to capture every nuance in passive mode.

Electronics (Active/Passive selector, Battery Alert)

TRBX500 models feature an audiophile-grade active/passive circuit for fine tonal control and extreme flexibility. The advanced design offers a level-matched output whether in passive or active mode and tone-switching circuitry that seamlessly moves from treble control to master passive tone. High-quality gold plated parts are used for key signal chain contacts, providing increased conductivity and reliability and a battery alert LED installed on the back panel gives an instant indication of low power to eliminate sudden power loss during performance.


TRBX features a sculpted solid mahogany body, with a mass-optimized 3D design for the optimum balance between tone and comfort coupled with perfect weight distribution.


TRBX’s neck design combines a fast, ultra-comfortable profile with 5-pc maple/mahogany laminated construction for outstanding stability and excellent tone.

Neck Joint

TRBX uses a precision fitted bolt-on neck joint for maximum adjustability and clear, punchy tone. Developed through hundreds of hours of play-testing, the refined neck joint shape perfectly balances strength, vibration transfer, and upper-fret access.


Straight string pull from the nut to the machine head eliminates lateral tension, providing superior tuning stability and reducing overtones.


38mm (4-string) or 43mm (5-string) nut widths give fast, comfortable playability for any style.


A high-mass die-cast bridge efficiently transfers string vibrations to the body for a full, rich tone combined with excellent adjustability and road-tested durability. 18mm string spacing on the 5-string model offers outstanding playability for technical slap or finger styles.

Output Jack

Yamaha’s metal plate-mounted standard jack socket offers superior durability and easy maintenance.


Brick Burst, Translucent Brown, Translucent White, Translucent Black




Bass Guitars




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