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YAMAHA · BASS GUITARS
Quick tone changes with Performance EQ
YAMAHA TRBX-304 (Factory Blue) is a 4-string bass. The pickup system is Yamaha M3 / ceramic. Its 34" (864 mm) scale length is the nut-to-bridge distance; consider it when choosing strings and comparing playing feel.
Four strings in familiar E–A–D–G tuning provide a straightforward foundation for many bass parts. The layout is well suited to working on pulse, position changes and the relationship with the kick drum. Fingerstyle, a pick and changes in picking position produce different attacks without requiring a change of settings.

Key benefits
- 4 strings define the playing range of this version.
- Scale length: 34" (864 mm) — a key reference for string selection and playing feel.
- Body: Mahogany.
- Neck material: Maple / mahogany, 5-piece.
- Fingerboard: Rosewood.
- Pickups: Yamaha M3 / ceramic.
- Tone shaping: active 2-band EQ.
- Bridge: Die-cast.
Construction and playing feel
The neck material is Maple / mahogany, 5-piece, with a fingerboard of Rosewood.
The bolt-on joint is a practical construction for servicing. Fretting-hand comfort depends not only on material but also on neck relief, string height and playing posture.
Nut specification: 38 mm. Consider this together with neck profile when comparing the feel of different basses.

Sound and controls
The pair of pickups lets you work with the attack and density of a bass line. Try the neck position for a rounder accompaniment sound and the bridge position for a more focused response. Strings, playing intensity and amplifier settings also contribute to the final sound, so the pickup balance is a useful starting point rather than a fixed genre preset. The active EQ adjusts the frequency balance on the instrument itself. Start from a neutral setting and make small changes while watching the available headroom at the amplifier input.
The five-position Performance EQ supplies useful starting curves for different playing techniques, with bass and treble controls available for further adjustment.
In practice
Compare the five Performance EQ settings using the same phrase at similar listening levels. Once you have a useful starting curve, adjust Bass and Treble for the room. The preset is a starting point, not a requirement to use a particular playing technique.
Video and sound
Yamaha TRBX Performance EQ in audition
Yamaha Global
Series overview. Other variants may appear in the video; use the table below for this product’s specifications.
Use the demonstration to compare attack and control response. The amp, effects, strings and playing technique all affect the recorded sound.
Specifications
Accessories for this bass
Choose accessories to fit the instrument’s construction. Linked accessories are sold separately unless listed as included.
Bass guitar strings
Choose a 4-string set. Instrument scale: 34" (864 mm). Check gauge and winding length up to the tuners. A long-scale label alone does not guarantee compatibility with every bridge.
Gig bags / hard cases
Check the instrument’s full length, body width and neck support.
Bass straps
Choose a comfortable width and adjustment range. Check that both strap ends sit securely on the buttons before playing standing up.
Instrument cables
For a conventional bass-amp connection, choose a shielded 6.35 mm TS-to-TS instrument cable. Short patch cables are primarily intended for connections between pedals.
Tuners
Choose a chromatic tuner that tracks low bass notes reliably. A pedal tuner suits a plugged-in setup; a clip-on is convenient for quick tuning.
Stands and hangers
Check the body supports and finish-safe contact surfaces. The stand should hold this instrument’s particular shape securely.
Instrument care
Use a soft cloth after playing. Choose body and fingerboard products for the actual material and finish; an all-purpose polish is not suitable for every surface.
Bass combo amps / audio interfaces
For rehearsals, choose bass amplification with enough output for the band. For home recording, look for an interface with a Hi-Z instrument input and headphone monitoring.
Frequently asked questions
Who is this model suitable for?
It suits a player who wants this 4-string configuration and its particular features. It is a Yamaha TRBX300-series bass with two M3 pickups and five Performance EQ settings.
Does it need amplification?
Use a bass amplifier or an audio interface with a suitable instrument input for the full electric sound. Headphones connect to the amplifier or interface headphone output, rather than directly to the bass.
What matters when choosing strings?
Match the string count, scale length and winding length to the instrument. This model’s scale is 34" (864 mm). A gauge change may require neck-relief, action and intonation adjustments.
What is distinctive about this version’s electronics?
The five-position Performance EQ supplies useful starting curves for different playing techniques, with bass and treble controls available for further adjustment.
Where to buy
Buy YAMAHA TRBX-304 (Factory Blue) from SoundsGood. Check the current price and available discounts. Free delivery applies from UAH 4,000 under the store’s terms; PrivatBank and monobank instalments are subject to service eligibility. The store can confirm the package contents and warranty terms for the particular delivery.
Store phone: +380 (73) 060 01 01