Yamaha TRBX505 4-String Bass in Brick Burst Front
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Yamaha TRBX505 4-String Bass in Brick Burst Front Yamaha TRBX505 4-String Bass in Brick Burst Rear Yamaha TRBX505 4-String Bass in Brick Burst Front Angle

Yamaha TRBX504 4-String Bass Guitar Brick Burst

by Yamaha
Introducing the Yamaha TRBX504 4-String Bass finished in Brick Burst. Those clever experts at Yamaha have brought you an extremely playable ..

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Introducing the Yamaha TRBX504 4-String Bass finished in Brick Burst. Those clever experts at Yamaha have brought you an extremely playable and versatile bass guitar. With one ultimate goal. Tone.

Superior and Versatile

Offering a modern comfortable body shape, with a superior neck. Exclusive Yamaha electronics, delivering a multitude of tonal response and delivery. A superior and versatile bass guitar!

This Yamaha TRBX504 4-String Bass is perfect for the home player, studio crafter and the live performer.

The basses comfortable body and neck make playing this bass joyful and expressive. It offers a huge range of performance-related features.

Yamaha TRBX504 4-String Bass in Brick Burst Features:

  • Modern looks and comfortable feel
  • Solid mahogany body construction
  • Maple / Mahogany 5-Piece Neck
  • Slim 38mm nut width
  • 3-Band Active EQ with active/passive preamp
  • Battery Alert LED

Comfortable Body, Comfortable Neck

The Yamaha TRBX504 4-String Bass features an expertly designed Mahogany body. That balances perfectly between tone, comfort and ideal weight distribution.

Attached to the body is a 5-pc maple/mahogany laminated neck. With a precision fitted bolt-on neck joint. This refined neck design delivers fast playing and superior comfort.

With the addition of strength, balance and fantastic fret play. The neck also comes with a Rosewood fingerboard atop. Allowing amazing upper neck access and quick neck navigation.

The nut is a slim 38mm width. You'll find this neck perfect for the fretting hand.

High-Quality Electronics

In the bowels of Yamaha HQ, they produced these extremely versatile pickups. And installed them into the Yamaha TRBX504 4-String Bass.

With a crisp and clean bass tone. Matched with the flexibility of the active/passive preamp technology. With a quad-pole piece design and alnico magnets. Gifting power to the active circuit and tonal subtleness to the passive circuit.

The advanced design offers a level-matched output. Whether you're in passive or active mode. The tone-switching circuit moves the treble control to master passive tone.

A battery alert LED installed on the back panel gives an instant indication of low power to reduce power loss when you're performing.

Durable Hardware

Yamaha TRBX504 4-String Bass comes with a solid high-mass die-cast bridge. Which transfers string vibration effortlessly for a full and rich sound. This bridge is easily adjustable, perfect for refining your playing position.

With Black Nickel Die-cast tuners, the string stability is amazing. And a metal plate-mounted standard jack socket offering superior durability and easy maintenance.

Yamaha TRBX504 4-String Bass in Brick Burst Specs:


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


  • Body Materials: Mahogany
  • Body Finish: Satin Polyurethane
  • Body Colour: Brick Burst


  • 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: 38mm / 56.4mm
  • Thickness @ 1st Fret / 12th Fret: 19.5mm / 21.5 mm


  • Neck Pickup: Double Coil / Alnico V
  • Bridge Pickup: Double Coil / Alnico V
  • Controls: Master Volume, Pickup Balancer, 3-Band EQ(Bass, Middle, Treble), Active/Pssive Switch
  • Pickup Switch: N/A


  • Bridge: Die-cast
  • String spacing: 19mm
  • Tailpiece: N/A
  • Tuning Machines: Covered / Die-cast


  • String gauge: D'Addario EXL170SL / 45-100


Weight (kg)5.0000
Warranty2 years
Scale Length34''
Nut Width38mm
Neck Woodmaple and mahogany
Pickup Config2 x humbucker
Number Of Strings4 string
Body Materialmahogany
Body Sizefull size
Right / Left-Handedright handed
Fingerboardrosewood fingerboard

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