Spector Launches the Euro 4 Rex Brown Signature Bass

Rex Brown's new signature Spector ships strung exactly like his Thunderbirds, the first confirmed proof his Cobalt string choice follows him across every brand he plays.

By Lowe, Bass desk · Edited by Cadence · 2026-08-25

Spector Euro 4 Rex Brown Signature bass, flame maple top with gold hardware and EMG PJ-X pickups — The Spector Euro 4 Rex Brown Signature, unveiled August 25, 2026.Photo: Spector

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Rex Brown

Spector unveiled the Euro 4 Rex Brown Signature bass on August 25, 2026, a $3,599.99 production 4-string built with Pantera's Rex Brown. It pairs a flame maple top and empress-wood body with EMG PJ-X pickups, Spector's TonePump active preamp, and a Desert Gold finish. Spector's own spec sheet lists Ernie Ball Slinky Cobalt Hybrid strings (.045-.105), the same gauge already confirmed on Brown's signature Thunderbirds. It ships now through SpectorBass.com and dealers; no Amazon listing yet.

What Spector just built

Spector unveiled the Euro 4 Rex Brown Signature bass on August 25, 2026, a production 4-string built with the Pantera bassist (Spector). It carries SKU EURO4REX, a street price of $3,599.99, and ships now, though Spector's own webstore currently lists it sold out and points buyers to its dealer network instead.

Model: Spector Euro 4 Rex Brown Signature
Top wood: Flame maple
Body wood: Empress
Neck: 3-piece maple, neck-through
Fingerboard: Indian rosewood, smoke crown inlays
Nut: Brass
Scale length: 34 inch
Pickups: EMG PJ-X, P/J configuration
Preamp: Spector TonePump active preamp
Hardware: Gold, aluminum locking bridge with brass saddles
Factory strings: Ernie Ball Slinky Cobalt Hybrid, .045-.105
Finish: Desert Gold
Price: $3,599.99 USD, gig bag included

The new Euro 4 Bass has been a labor of love. We took our time with every detail, from the balance of the pickups to the backplate design, and it features the same neck profile I've used on my Spectors for years. It all comes together in a bass I'm incredibly proud of, and one I think you'll really enjoy.

Rex Brown

Pantera

SourceSpector2026-08-25

Where this fits Rex Brown's rig

CYS already tracks Brown's rig in detail: two Gibson-family Thunderbirds strung with Ernie Ball Cobalt, and two older Spectors he has toured on for years, a 2008 Euro 4 nicknamed Mother Glory and a 2023 USA NS-5 five-string. The new signature model is not a replacement for Mother Glory so much as a manufacturer-backed version of the same idea. Premier Guitar's 2024 Rig Rundown documents Mother Glory running EMG PJX Ceramic PJ Bass pickups with no active TonePump preamp and no signature branding. The new Euro 4 Rex Brown Signature swaps in EMG's newer PJ-X set, adds Spector's TonePump active preamp with a rear trimpot for output tuning, and puts Brown's own neck profile and logo on a bass built to spec rather than road-modified over time.

It is also his third signature instrument overall, after the 2022 Gibson Rex Brown Signature Thunderbird (now discontinued) and the still-available Epiphone budget companion version. Three different manufacturers, three different price tiers, one consistent player behind all of them.

The strings: confirmed, not assumed

Neither Premier Guitar's write-up nor the other outlets covering this launch mentioned strings. Spector's own spec sheet does: Ernie Ball Slinky Cobalt Hybrid, .045 to .105, listed plainly under the bass's hardware specifications. That is the exact gauge Premier Guitar's 2024 Rig Rundown and Gibson's own spec sheet already confirmed on both of Brown's signature Thunderbirds, and it is the first time his Cobalt string choice has been documented on a third, unrelated brand's instrument rather than just his Gibson-family basses. A player switching between his Thunderbirds and this new Spector would not need to change string preference at all.

Price, availability, and the honest catch

$3,599.99 puts this squarely in boutique territory, and Spector's own site shows it sold out at the moment, directing buyers to a dealer locator rather than a guaranteed online order. That is normal for a freshly unveiled signature model in its first run, not a sign anything is wrong with the bass. If the point is Brown's actual tone rather than the exact signature appointments, the string gauge is the cheap, immediate way in: Ernie Ball Slinky Cobalt Hybrid Bass (.045-.105) drops onto nearly any production 4-string, and it is the one part of this rig that never sells out.

Rex Brown's full rig, strings and gear, sourced Pantera Ernie Ball Hybrid Slinky Cobalt Bass (.045-.105)Down, Rex Brown's other band Best bass guitar strings, compared

Frequently asked questions

What is the Spector Euro 4 Rex Brown Signature bass?

A production 4-string signature bass Spector built with Pantera bassist Rex Brown, unveiled August 25, 2026. It has a flame maple top over an empress-wood body, a 3-piece maple neck, an Indian rosewood fingerboard with smoke crown inlays, gold hardware, and a Desert Gold finish Spector says is inspired by the New Mexico landscape Brown calls home. Street price is $3,599.99.

How much does it cost and where can I buy it?

$3,599.99 USD. Spector's own site lists the model sold out directly and points buyers to its dealer network via a Find a Dealer link, so availability runs through authorized Spector dealers rather than a guaranteed in-stock webstore order. There is no Amazon listing for this bass as of publication.

What strings does the Rex Brown Signature Spector ship with?

Ernie Ball Slinky Cobalt Hybrid, .045 to .105, according to Spector's own published spec sheet for the bass. That is the identical gauge already confirmed on both of Rex Brown's signature Thunderbirds via Premier Guitar's 2024 Rig Rundown and Gibson's own spec sheet, the first time his Cobalt string choice has been confirmed on a third, different-brand instrument.

Is this Rex Brown's only signature bass?

No. Gibson released a Rex Brown Signature Thunderbird in 2022 (now discontinued, left up on Gibson's site for reference only), and Epiphone still sells a budget-tier companion version of that same Thunderbird shape. The Spector Euro 4 Rex Brown Signature is his third signature model and his first with Spector, the brand he has toured on for over a decade.

What is different between this and Rex Brown's older Spector Euro 4?

Brown has toured for years on a non-signature 2008 Spector Euro 4 he nicknames Mother Glory, loaded with EMG PJX Ceramic PJ Bass pickups, per Premier Guitar's 2024 Rig Rundown. The new signature model swaps in EMG's newer PJ-X pickups paired with Spector's TonePump active preamp, adds Brown's own neck profile and signature branding, and ships in a Desert Gold finish rather than Mother Glory's aged white.

What pickups and electronics does the new bass use?

EMG PJ-X pickups in a P/J configuration, run through Spector's TonePump active preamp with neck volume, bridge volume, treble cut and boost, and bass cut and boost controls, plus a rear-accessible trimpot for fine-tuning output level, per Spector's own product page.

Can I get Rex Brown's tone without spending $3,599.99?

The affordable entry point is still the strings. Ernie Ball Slinky Cobalt Hybrid Bass (.045-.105) is the exact factory gauge on the new Spector and both signature Thunderbirds, and it drops onto almost any production 4-string bass. Pair it with the currently-available Epiphone Rex Brown Signature Thunderbird for the closest in-production instrument to his rig at a fraction of the Spector's price.