SKU: 9516193484

Wilson K4 Pickup for Double Bass

Sale price$587.25 Regular price$652.50
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Description

Wilson K4 Pickup for Double BassThe Wilson K Pick up amplifies each individual string on your double bass, covering the frequency range from below the low B C string up through the harmonics, overtones and further, beyond the audible capacities of the human ear. Testimonials from famous bass players worldwide proves the outstanding high qulity of the sound you will get from you double bass amplified with a Wilson Pick up System. By simply rotating a Pick up slightly you can adjust

The Wilson K-Pick-up amplifies each individual string on your double bass, covering the frequency range from below the low B/C-string up through the harmonics, overtones and further, beyond the audible capacities of the human ear.
Testimonials from famous bass players worldwide proves the outstanding high qulity of the sound you will get from you double bass amplified with a Wilson Pick-up System.
By simply rotating a Pick-up slightly you can adjust the volume level of each string individually - making the perfect balance between the output from your strings. A feature not covered by any competitor.

WILSON SPECIFICATIONS:
The Wilson Pick-up System has quite a few assets to offer:
Available in 1, 2, 3, 4, 5, and 6 element sizes to suit budget and instrument design
It gives a realistic, close to perfect, acoustic sound.
It allows each string to be individually volume adjusted by simply rotating the Pick-up in its mount.
It is accurate and completely linear in all registers.
It has the same effect when played by pizz and arco.
It is connected directly to an amplifier. No pre-amp needed.
It is easily built into the bridge as an active part of the bass itself.
It’s position close to the strings captures the body signal in the sound production.
It has a frequency response of 25Hz to 30 kHz - and even beyond.
Each pickup comes with tools required for fitting
The craftmanship of the Wilson Pickups is uncompromised. Each Pickup is handmade in Denmark and thoroughly tested for mechanical tolerance, insulating resistance and frequency response.


users included the late Niels-Henning Ørsted Pedersen
This pickup is Pete's personal choice
5 year warranty

Pete McGregor Music Bass Shop is sole New Zealand agent for Wilson bass Pickups

"I think that the sound production of this pick-up is the closest one can possibly get to the paradox of an `amplified acoustic double bass`! The WILSON Pick-up is the best transducer for double bass I have ever seen and heard. An Excellent offer to the bass players who want their sound amplified but tolerate absolutely no distortion of their music. I can warmly recommend the WILSON Pick-up system".
- Niels-Henning Ørsted Pedersen, DK (late)

"When I read a list of who uses the Wilson pickup, I just had to get one. They are all my heroes!
I haven't been dissappointed. Every time I record I get comments about my great sound. The pickup has proved to be robust and I have never had feedback problems even when cranked up!.
Definitely an ideal pickup for serious player"
Pete McGregor

NIELS H. ØRSTED PEDERSEN DK (Oscar Peterson)
STEVE WALLACE CA (Oscar Peterson)
GEORGE MRAZ US (Michel Petrucciano)
GARY PEACOCK US (Keith Jarret)
MARC JOHNSON US (Eliane Elias)
EDDIE GOMEZ US (Ronnie Cuber)
REGGIE JOHNSON CH/US (Mingus Dynastie)
DAVID YOUNG CA (Oscar Peterson)
ADRIANO GIFFONI BZ (Sivucca/Toots Thieleman)
YASUHITO MORI S/JP (Stan Getz)
GEORG RIEDEL S (Arne Domnero)
EBERHARD WEBER F/D (Jan Gabarek)
MIROSLAV VITOUS CZH (Chic Corea)
CHIP JACKSON US (Gary Burton)
ARILD ANDERSEN N (John Scofield)
HENK HAVERHOEK NL (Eugen Cicero)
MICHEL GAUDRY F (Stephan Grappelli)
WAYNE DARLING A (Woody Herman/Friederich Gulda)
PIERRE BOUSSAGUET F (Ray Brown/"Two Bass Hits")
NED MANN US (Michel Camilo)
CARLOS D’l PUERTO US/C (Irakere/Arturo Sandoval)
HEIN VAN DE GEYN B (Philip Catherine)
ALADAR PEGE H (Herbie Hancock)
MILT HINTON US (Benny Carter)
JAY ANDERSON US (Michael Brecker)
JEAN-PHILIPPE VIRET F ("L'Orchestre de Contrebasses)
ADRIE BRAAT NL (The Dutch Swing College Band)
RON MATHEWSON GB (Ronnie Scott, London)
DAVID P. WUNDROW US (Milt Jackson)
ARNI EGILSSON US (Solo bass artist)
KOOS SERIERSE NL (Johny Griffin/Lee Konitz)
CHRIS MINH DOKY US/DK (David Sandborn/Trilok Gurtu)
PAUL LANGOSCH US (Tony Bennett)
LARS DANIELSSON S (Mike Stern/David Liebman)
JOHN LEITHAM US (George Shearing)
STANLEY CLARKE US (Al Di Meola-Jean-Luc Ponty)
ROB AMSTER US (Dizzy Gillespie)
JARIBU SHAHID US (James Carter/Cassandra Wilson)
MARCUS GABAY VIGIL Uruguay (Solo bass artist)
BUDDY HAYES US (Harry James/Les Paul)
DAVE ELLIS AU NONNY ROSENBERG NL (Rosenberg Trio)
JESPER LUNDGAARD DK (Svend Asmussen)
MICHAEL BOWIE US
JENS JEFSEN DK
JEAN-LOUIS RASSINFOSSE F
BO STIEF DK
THOMAS OVESEN DK
CHRISTIAN STOCK D
VINCE. CLARKE NZ
PETE MCGREGOR NZ
MADS VINDING US
THOMAS HEIDEPRIM D
LUDVIK CERNY CZH
PER FOLKE DK
FRED HUNTER US
ERIK MOSEHOLM DK
MARC VAN ROOIJ NL
THOMAS STABENOW D
MISHA SAKHAROV SU
BJÖRN ALTERHAUG N
JÖRGEN SMEBY US
ANDERS JORMIN US
TAKASHI MIZUHASHI J
RENAUD GARCIA-FONS F
ONORINO
TIBURZI I
JÖRGEN SMEBY S

Shipping Notes
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 9516193484

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Hatem
Carnegie, US
★★★★★ 5
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Size: 5.25” Woofer
In spite of small size sound is very nice iam using it with a subwoofer and with my yamaha A4A AV receiver i like it iam hearing mostly heavy metal and the speakers have a nice punch and attack
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Reviewed in the United States on February 18, 2026
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Yaniv.F
Charlottesville, US
★★★★★ 4
compact surrounds that blend well with the right setup
Size: 4” Woofer
I picked up the Klipsch R‑40M as part of a full 5.1 system built around the R‑50M fronts and the R‑50C center. My original plan was to use another pair of R‑50M speakers in the back, but they simply didn’t fit in the rear cabinet space I have. The R‑40M ended up being the only model that fit comfortably, so they became my surround channels. In terms of build quality, they feel solid and consistent with the rest of the Reference Next‑Gen line. The copper woofers and updated horn design give them the same visual identity as the larger models, which helps the whole system look cohesive. They’re compact enough to place in tighter spaces without compromising too much on performance. Sonically, the R‑40M does a respectable job as a surround speaker. Effects are clear, directional cues are easy to follow, and they integrate smoothly with the more powerful R‑50M fronts. That said, they are noticeably less powerful than the R‑50M, so you need to spend a little time balancing your levels. Once I bumped their channel trim a bit and adjusted the distance settings, the rear soundstage locked in nicely and felt much more even. They won’t deliver the same fullness or dynamic punch as the larger models, but for rear channels that’s usually not a deal breaker. What matters is clarity and consistency, and the R‑40M handles both well. Movies with active surround mixes feel immersive, and ambient effects wrap around the room without calling attention to the speakers themselves. If you’re building a system where space is limited in the back, the R‑40M is a practical and capable choice. Just be prepared to fine tune your calibration so they match the output of the bigger speakers up front. Once dialed in, they round out a 5.1 setup very effectively.
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Reviewed in the United States on January 22, 2026
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Integrion
Lowell, US
★★★★★ 5
Great Bang for the Buck!
Size: 5.25” Woofer
These R50 Studio Monitors are worth every penny. One could easily spend a heck of a lot more to get less. Have been a pro audio engineer my entire life. These monitors kick out clean, solid bass and accurate highs. Klipsch did a excellent job designing these monitors. Perfect for smail spaces where fidelity is critical. If you wall mount these, make sure you leave at least a 1.5 inch air gap between the back of the monitor and the wall. These units are sweet.
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Reviewed in the United States on July 22, 2025
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Kgolfinghawaii
Los Angeles, US
★★★★★ 5
Worth the price
Size: 5.25” Woofer
I had in ceiling front speakers and went with these instead. The front ceilings are now height speakers. Sounds great now.
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Reviewed in the United States on January 23, 2026
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Amazon Customer
Draper, US
★★★★★ 5
Small but mighty
Size: 5.25” Woofer
Great sound. I can turn my stereo up loader than I care to listen to it and notice no distortion.
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Reviewed in the United States on April 20, 2026

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