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Justin Meldal-Johnsen is a true bass chameleon. From the industrial grind of Nine Inch Nails to the sun-drenched pop of Beck, he needs an instrument that delivers serious punch. The Fender JMJ Road Worn Mustang Bass is that instrument.
Faithfully modeled after his prized vintage Daphne Blue model, this short-scale powerhouse offers a massive, focused sound in a highly playable package. It puts classic Fender mojo right at your fingertips, ready for the studio, the stage, and everything in between.
Punchy and Purposeful Tone
You might look at a short-scale bass and expect a small sound, but this Mustang bucks that trend entirely. Powered by a custom-spec split-coil pickup, it pushes out a surprisingly thick, guttural growl that sits perfectly in any mix. It’s the sonic equivalent of a velvet-wrapped brick — smooth on the surface, packing a serious wallop underneath.
Custom-Spec Split-Coil Pickup: Voiced specifically to replicate JMJ's vintage original, offering a fat, punchy tone that cuts through dense arrangements.
30-Inch Short Scale: Tightens up the low end for an incredibly focused, fundamental-heavy sound that never gets muddy or lost.
Fender Mojo: Delivers that undeniable, classic vintage Fender warmth that modern producers and players constantly chase for their tracks.
Built for Comfort and Speed
A bass should feel like an extension of your body, not a wrestling opponent. The JMJ Mustang Bass is designed for effortless navigation, making complex basslines and long studio sessions an absolute breeze. The compact footprint and meticulously crafted neck profile ensure your hands glide seamlessly from the nut to the bridge without fatigue.
Modern 9.5-Inch-Radius Fingerboard: Offers a flatter, more contemporary playing surface that prevents fretting out and allows for comfortable, low action.
Rolled Fingerboard Edges: Instantly provides that broken-in, familiar feel, eliminating harsh angles for supreme fretting-hand comfort.
Fast-Playing Neck: The shorter scale length drastically reduces finger stretch, making it a joy to play for both seasoned pros and smaller-handed musicians.
Stage-Ready Swagger
Pristine, shiny basses are great, but there is something undeniably cool about a battle-scarred workhorse. This instrument proudly wears its history on its sleeve. The Road Worn finish meticulously recreates the nicks, dings, and pick scratches of JMJ's actual touring bass, giving you an instrument with instant character and undeniable soul.
Authentic Road Worn Finish: Beautifully distressed lacquer that looks like it has survived decades of raucous rock shows and cross-country tours.
Worn-In Neck Feel: The back of the neck features a rubbed-down finish, removing the sticky gloss so your thumb glides effortlessly up and down the fretboard.
Aged Hardware: From the tuners to the bridge, the authentically tarnished metal parts complete the vintage, lived-in illusion perfectly.
Your Go-To Bass for Studio and Stage
The Fender JMJ Road Worn Mustang Bass is what happens when a legendary player distills his favorite vintage workhorse into a modern masterpiece. It captures the soul of a heavily gigged classic while offering the rock-solid reliability you need for modern gigs and sessions. It’s a bass for players who want massive tone, effortless playability, and instant vintage vibe without the exorbitant vintage price tag.
Frequently Asked Questions about the Fender JMJ Mustang Bass
What scale length is the JMJ Mustang Bass?
It features a 30-inch short scale length. This makes it incredibly comfortable to play and gives the bass a remarkably tight, focused tone.
Does the JMJ Mustang Bass come with a case?
Yes, it comes with a high-quality Fender deluxe gig bag. This keeps the bass protected while making it easy to carry to your next gig or session.
What kind of pickup is in the JMJ Mustang?
It uses a custom-spec split-coil Mustang Bass pickup. This is specifically voiced to match the punchy, vintage tone of Justin Meldal-Johnsen's original studio bass.
Is the JMJ Mustang good for beginners?
Absolutely. The shorter scale length and comfortable rolled fingerboard edges make it very easy for beginners to fret notes and navigate the neck without straining.
Who is Justin Meldal-Johnsen?
JMJ is a highly respected bassist and producer known for his extensive work with artists like Beck, Nine Inch Nails, Paramore, and M83. This signature bass is a faithful recreation of his favorite, go-to studio instrument.
Fender JMJ Road Worn Mustang Bass Features:
Signature model designed in collaboration with Justin Meldal-Johnsen (Beck, Nine Inch Nails, M83)
Modeled directly after his vintage Daphne Blue Mustang Bass
Custom-spec split-coil Mustang Bass pickup for punchy, vintage-accurate tone
30-inch scale length for a tight, focused sound and easy playability
9.5-inch fingerboard radius with rolled edges for superior comfort
Road Worn Daphne Blue lacquer finish complete with authentic nicks and scratches
Aged hardware for a true vintage aesthetic
Worn-in neck finish for smooth, frictionless playing
Includes a deluxe gig bag for easy, safe transport
Warranty: 2 Years Limited on Custom Shop; 2 Years Limited on Stringed Instruments; 2 Years Limited on Electronic Products; 5 Years Limited Transferable on Fortis; 1 Year Limited on Accessories; 1 Year on IEM; 90 Days on Vacuum Tubes
Fender JMJ Road Worn Mustang Bass with Gig Bag Specifications
Item #:
FEN 0144060 306
Manufacturer Part Number:
0144060306
UPC:
885978333424
Product Specifications
Fender JMJ Road Worn Mustang Bass Specifications
Model Name: JMJ Road Worn Mustang Bass
Series: Artist
Body Material: Alder
Body Finish: Road Worn Nitrocellulose Lacquer
Neck: Maple, ‘C’ Shape
Neck Finish: Road Worn Nitrocellulose Lacquer
Fingerboard: Rosewood, 9.5" / 241 mm
Frets: 19, Medium Jumbo
Position Inlays: Aged Pearloid Dots
Nut (Material/Width): Synthetic Bone, 1.5" / 38.1 mm
Tuning Machines: Hipshot Open-Gear with Lollypop Key
First, I will say I had a good customer service experience after my online order didn't go through, due to some glitch with the AMS site. The rep I spoke to on the phone was able to quickly get my order in and threw in a little discount for the trouble.
My overall impression of this bass: it's gre...
I emailed American Music at the beginning to see if I could return it but I never got a response back and now it's too late to return it - probably should have called instead. I'm going to sell the bass and have one personally made for me. . . The tone of the JMJ is okay but nothing more special tha...
Published date
05/06/25
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Brandon H. 🇺🇸
Verified Buyer
Amazing....
Ok so I'm one of those custom shop American vintage etc. snobs. I hate road worn. I hate signature series. This guitar feels and sounds like a $4000 custom shop 66'. It sounds like a Pbass. What I noticed the most is how well it sits in the mix with a prophet 6, Moog sub 37 and Juno x all at the sam...
Published date
07/04/23
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Sparky’s D. 🇺🇸
Verified Buyer
Perfection
I honestly had no idea who JMJ is but I was interested in a short scale bass and this checked all the boxes. The relic job is incredible including checking on the neck which is so comfortable it’s insane. No sharp frets just perfection. The controls actually work and the sound is killer. Flat wounds...
Published date
05/23/23
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0
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Ken F. 🇺🇸
Verified Buyer
Extremely poor quality control
This is a replacement for the first JMJ I received with a dead pickup and/or broken tone pot. The replacement has a functional pickup and (mostly) functional pots, but has issues everywhere else. The bridge is not grounded. Routed for a ground wire from the control cavity to the bridge but no wire. ...
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