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The MB Yellow JB bass from Markbass brings vibrant style and flexible tone to bassists of all levels. Blending thoughtful design with high-quality components, this bass offers comfort, playability and versatility at an incredible value.
Versatile Tones With Dual Single-Coil Pickups
The JB bass is equipped with two punchy single-coil pickups, giving you a diverse tonal palette. Blend the pickups to sweep from sparkling treble to a growling midrange, perfect for emulating the sound of legends like Jaco Pastorius. The pickups deliver articulation and clarity whether you're playing fingerstyle or slapping the strings. Wherever your musical inspiration takes you, the JB bass delivers the tone to match.
Slim, Tapered Neck Profile for Comfort and Playability
The JB bass features a slim, tapered neck that feels fast and comfortable in your hands. The profile is narrower at the nut, making it easier to fret notes and chord shapes. As you move up the neck, it widens gradually to accommodate your hand position. This ergonomic design makes it easy to play quick riffs as well as access higher notes on the fingerboard. The slim neck reduces fatigue, allowing you to play your very best through even marathon practice sessions and performances.
Iconic Offset Body Balances Form and Function
The contoured offset body shape of the JB bass not only looks fantastic, its thoughtful design brings real benefits in comfort and playability. The double cutaway offers easy access to the highest frets, enabling you to explore the entire fingerboard. The contoured edges and forearm scoop keep the bass balanced against your body. Weighing just over eight pounds, the JB is lightweight enough for comfort over long gigs. The sleek offset shape looks right at home on stage under the spotlight.
Vibrant Yellow Finish Grabs Attention
The eye-catching MB Yellow finish gives the JB bass unmistakable visual appeal. The vibrant yellow pops against the black pickguard for high-contrast style. For players who want their instrument to make a bold visual statement, the JB delivers. Whether you're playing your first coffee shop gig or rocking a packed stadium, the JB bass commands attention.



- Single-coil pickups for versatile tone
- Maple neck with laurel fingerboard
- Passive electronics with volume, volume and tone controls
- Poplar body in signature MB Yellow finish
4.9
10 Reviews
100%
of respondents would recommend this to a friend
- Practicing9
- Jamming7
- Recording6
- Rock Concerts4
- Small Venues4
- Needs Setup1
- Open string buzz on the 'A' string1
- High factory action1
- Experienced5
- Novice4
- Fun To Play9
- Good Feel9
- Good Tone9
- Good Pick Up7
- Solid Electronics7
Reviewed by 10 customers
Great product for the price
submitted3 months ago
bySam
fromAtlanta
this bass is incredible for its price. The color and design is great, and I love the pickups.
I would buy this again Or a MB upgrade
submitted4 months ago
byserious
fromTexas
Submitted as part of a sweepstakes
I got it to use with Rocksmith on my PS5 Works great.....
A surprise
Verified Buyer
submitteda year ago
byEugene
fromDenton.md
Submitted as part of a sweepstakes
Ordered this solely on looks. It was priced so right it wasnt myvh of a risk. Certainly a surprise on well it plays and sounds. Not my only bass but currently a favorite.
This bass has playability and sound way above its price
Verified Buyer
submitteda year ago
byHarold
fromNipomo CA
Submitted as part of a sweepstakes
The neck is comfortable, and the pickups are great. It has a wonderful Jazz bass type of sound. I bought on a whim and am totally pleased with the quality of build and sound, that is similar to much higher priced basses. I ordered the short scale since this model is so impressive.
A great bass
Verified Buyer
submitteda year ago
byScott
fromLouisiana
Submitted as part of a sweepstakes
Looks,feel and sound... everyone should have one...at least you should. Inexpensive but great !
Great bass... Highly recommend!
Verified Buyer
submitteda year ago
byScott
fromLouisiana
Submitted as part of a sweepstakes
Feels great sounds great looks great is great I would certainly do it again!
Have a question about this product? Our expert Gear Advisers have the answers.
submitted9 months ago
asked byRumbling' Randy
fromRepublic, MO
Are the stock strings actually Mark bass strings or ?
Markbass does offer their own line of bass strings, such as the GROOVE series, which are nickel-plated steel strings available in various gauges. It's possible that the MB Yellow JB is fitted with these strings, but this isn't explicitly confirmed.submitteda year ago
asked byCKevGo
fromChico, CA
Are the gig bag and strap included as mentioned on the Mark Bass site?
Yes, they are.submitteda year ago
asked bybessamatic
fromSunrise, FL
What string gauges come standard with this bass? Thank you!
45 - 105.submitteda year ago
asked byEric
fromPuyallup WA
Can I order left handed?
Unfortunately, no.submitted2 years ago
asked byVic
fromLake Grove NY
Country of origin, Body is made of what type of wood?
1) The Markbass MB Yellow JB is made in China. 2) Poplar

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