Pricing and availability

We compare 600+ stores and found this item at 9 stores. Prices updated .

Sweetwater
4.5 (31)
$349.99
Guitar Center
5.0 (4)
$349.99
Amazon
4.1 (85)
$349.99 New
$282.62 Used (Like New)
Reverb
4.0 (6)
$299.99 New
$307.99 Used
Musician's Friend
4.0 (3)
$349.99
zZounds
5.0 (1)
$349.99
Thomann
4.4 (33)
$252.00 $251.00 $1.00 · All time low
Gear4Music
£246.00

Price History

Based on price data from 6 merchants for "Vox VX50KB 50-watt Keyboard Amp". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

* Product prices and availability are updated by Equipboard every 24hrs and are subject to change. Equipboard may receive compensation for purchases made at participating retailers linked on this site. This compensation does not affect what products or prices are displayed, or the order of prices listed. For more information, please refer to our affiliate disclosure.

Description

Unleash your musical potential with the Vox VX50KB 50-watt Keyboard Amp, a powerhouse in a portable package. Designed for musicians who crave clarity and versatility, this amp features cutting-edge Nutube preamp technology that delivers a warm, tube-like sound without the bulk. Whether you’re practicing at home or performing on stage, the VX50KB’s compact, lightweight design ensures that stellar sound is always within reach.

With 50 watts of output power, the VX50KB doesn't just amplify your keyboard; it elevates it. Its unique coaxial speaker and bass reflex structure provide a full-range audio experience, ensuring crystal-clear highs and rich, resonant lows. Three independent channels mean you can easily switch between instruments or vocals, and the three-band EQ offers precise sound shaping.

Perfect for musicians on the go, this amp doubles as a mobile PA system, making it a versatile companion for any gig. Connect your headphones, media player, or PA system with a comprehensive array of input/output jacks, including AUX IN and LINE OUT. Weighing in at just 9 pounds, it’s as portable as it is powerful, ready to accompany you wherever your music takes you.

Key Features:

  • 50 watts of output power with Nutube-equipped preamp
  • 8" coaxial speaker with bass reflex structure for enhanced low-end
  • Three independent channels with separate volume controls
  • Three-band master EQ for tailored sound control
  • AUX IN, Headphones OUT, and LINE OUT jacks for versatile connectivity
  • Lightweight and portable design, ideal for gigs and practice
  • Functions as a keyboard amp and mobile PA system

Owner's manual

Vox VX50KB 50-watt Keyboard Amp User Manual

Product specs

Number of Channels 3
Output Power 50W
Speaker Size 1 x 8"
EQ 3-band EQ
Inputs 2 x 1/4" (keyboard in), 1 x 1/4" (line/mic), 1 x 1/8" TRS (aux in)
Outputs 1 x 1/4" (line out), 1 x 1/8" (headphones)
Height 12.32"
Width 13.94"
Depth 8.19"
Weight 9.04 lbs.

FAQs

What kind of sound quality can I expect from the Vox VX50KB 50-watt Keyboard Amp?

The Vox VX50KB offers a rich and full sound due to its 50-watt power and 1x8" speaker. It features a 3-band EQ, allowing you to tailor the sound to your preference, making it suitable for a variety of keyboard tones.

Is the Vox VX50KB suitable for gigging with a band?

Yes, the Vox VX50KB's 50-watt output is powerful enough for small to medium-sized venues, making it suitable for gigging with a band. Its lightweight design also makes it easy to transport.

What inputs and outputs does the Vox VX50KB have?

The Vox VX50KB features two 1/4" keyboard inputs, one 1/4" line/mic input, and one 1/8" aux input. It also includes a 1/4" line out and a 1/8" headphone output for versatile connectivity options.

How does the Nutube technology in the Vox VX50KB affect its performance?

The Nutube technology in the Vox VX50KB provides a warm, tube-like sound while maintaining efficiency and durability. This technology enhances the amp's tonal quality, offering a more dynamic and expressive sound.

Can the Vox VX50KB handle multiple instruments simultaneously?

Yes, the Vox VX50KB can handle multiple instruments with its three channels, allowing you to connect two keyboards and a line/mic input simultaneously, making it versatile for various performance setups.

digimartnet

digimartnet

VOX / VX50 KB【デジマート製品レビュー】

Video thumbnail for VOX / VX50 KB【デジマート製品レビュー】 by digimartnet

VOX / VX50 KB【デジマート製品レビュー】

digimartnet

digimartnet

Video thumbnail for The superbly-designed VOX VX50KB KEYBOARD AMP. Nice! by Gearfacts

The superbly-designed VOX VX50KB KEYBOARD AMP. Nice!

Gearfacts

Gearfacts

Video thumbnail for VOX VX50KB & KORG PA600MY Walk-through With Amin by CKMusicOnline

VOX VX50KB & KORG PA600MY Walk-through With Amin

CKMusicOnline

CKMusicOnline

Video thumbnail for YAMAHA CP88 / VOX VX50- KB by Виталий Фоломеев

YAMAHA CP88 / VOX VX50- KB

Виталий Фоломеев

Виталий Фоломеев

Video thumbnail for Vox VX50 Review | Armonica Blues by Stefano Lucignolo

Vox VX50 Review | Armonica Blues

Stefano Lucignolo

Stefano Lucignolo

Reviews

PROS

  • Exceptionally lightweight and compact

  • Produces high-quality, warm tone with Nutube preamp technology

  • Versatile across various keyboard sounds: Hammond, horns, piano, strings

  • Surprisingly loud and clear for its size, suitable for modest gigs

  • Multi-channel inputs allow for diverse uses, including as a laptop speaker

  • Durable and precise control knobs for detailed sound adjustments

  • External power supply prevents unwanted heat and electromagnetic interference

  • Provides analog warmth to digital instruments

CONS

  • Some users report a constant hiss noise at lower volumes

  • Bass levels can be overpoweringly loud, difficult to balance with treble

  • Master volume does not control the volume of the aux input

  • Noticeable smell of cheap plastic case reported by a user

  • Lack of built-in effects and phantom power, contrary to some expectations

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Vox VX50KB 50-watt Keyboard Amp.

Comparisons

  • Some users suggest that bass amps with a tweeter can effectively replicate a keyboard amp's response, offering a viable alternative to the Vox VX50KB for those seeking versatility.

    Source
  • The Vox VX50KB is highlighted as a more aesthetically pleasing option compared to modern keyboard amps, appealing to those desiring a vintage appearance.

    Source

Use cases and applications

  • The Vox VX50KB, with its vintage look, appeals to those who prioritize aesthetics in a bedroom setup, providing a solution that blends style with functionality.

    Source
  • The mid-tones are described as "sweet," making it suitable for instruments like theremins that require clarity in this range.

    Source
  • While praised for beginners, the amp is noted to lack significant bottom end, potentially limiting use for bass-heavy applications.

    Source

Features and functionality

  • The Vox VX50KB is noted for handling the lower frequencies of keyboards better than guitar amps, which are prone to distortion with such signals.

    Source
  • The Vox VX50KB includes a direct out feature, allowing connection directly to a mixing desk, adding versatility for live and studio settings.

    Source

User experience

  • Keyboard outputs are much hotter than guitar signals; hence, it's recommended to use the low input on amps to maintain headroom and prevent distortion.

    Source
  • Owners appreciate the lightweight design, making it highly portable for musicians on the move.

    Source

Other

  • The Nutube technology is reported to closely mimic traditional tube sounds, offering a tube-like experience without related maintenance complexities.

    Source

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