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IK Multimedia TONEX Plug Headphone Amplifier Certified Open Box

Guitar/Bass Headphone Amp with 30 Tone Model Preset Slots, USB Audio Interface, Bluetooth, and Rechargeable Battery
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Item ID: TONEXPlugd4
IK Multimedia TONEX Plug Headphone Amplifier
IK Multimedia TONEX Plug Headphone Amplifier

Certified Open Box Savings!

Save $15 What is Certified Open Box?

The price below reflects your savings.

Savings: $15.00

New for $149.99

Condition Notes:

This returned item is in like-new condition and perfect working order. Includes all original accessories.This item ships in its original factory packaging.

This item was thoroughly inspected by our factory-authorized service team and is backed by Sweetwater's exclusive 2-year warranty. The images shown do not necessarily represent the condition of this particular item.

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Studio-grade TONEX Power in Your Pocket

Powered by IK’s award-winning AI Machine Modeling, the IK Multimedia TONEX Plug compresses the entire TONEX ecosystem into a sleek, travel-friendly headphone amp. It offers the same studio-quality sound as the TONEX Pedal and TONEX ONE, and with access to over 40,000 free amp and effects rigs via ToneNET, you’ll have no trouble filling the 30 Tone Model preset slots with inspiring, ear-grabbing tones. Onboard Bluetooth enables you to browse, load, and edit your presets using the TONEX Control smartphone app, plus you can stream backing tracks and jam along with YouTube lessons and music-learning apps — all through your favorite set of headphones. Moreover, you can use the TONEX Plug as a USB audio interface with your recording software. Beyond that, you get a quick tuner and a rechargeable battery with up to five hours of playtime. With the IK Multimedia TONEX Plug, you’ll be able to jam anywhere, anytime, in absolute silence, all while hearing your guitar through world-class amps and effects.

Related Videos: TONEX Plug Headphone Amplifier

Legendary amp sounds without the heavy lifting

Boasting the same industry-renowned sound quality as the TONEX Pedal and TONEX ONE, the TONEX Plug grants you full admission to IK Multimedia’s ever-growing TONEX platform. Using only the TONEX Plug and the included TONEX SE software for macOS and Windows, you’ll gain access to a veritable arsenal of spot-on re-creations of the world’s most iconic amplifier models. Moreover, IK’s award-winning AI Machine Modeling loads this cutting-edge headphone amp with five reverbs, two delays, and five modulation effects, along with a noise gate, compressor, and EQ — all easily configurable using the TONEX Plug’s built-in Bluetooth and the TONEX Control smartphone app. Additionally, you can hop onto IK Multimedia’s preset-sharing ToneNET service to access more than 40,000 user-created Tone Models. Lastly, the TONEX Plug includes 30 Tone Model preset slots that you can fill with your favorite amp and effects combinations.

Build your dream rig and take it anywhere

We’re thoroughly impressed with the IK Multimedia TONEX Plug here at Sweetwater — it puts the world’s most coveted guitar and bass tones right at your fingertips. This state-of-the-art headphone amp enables you to save your favorite amp and effects combinations, load them wirelessly, and build a personal library of sounds for any style or session. Moreover, you can leverage IK’s powerful AI Machine Modeling using the free TONEX Modeler software application to capture the sound of your real-world rig and take it with you on the road, backstage, and anywhere else you dare to venture. Whether you’re rocking out with a beloved vintage amp or your own signature rig, the TONEX Plug allows you to harness their full sonic might — silently through headphones — wherever and whenever inspiration strikes.

Tone tweaks to tracks — all on your smartphone

The TONEX Control smartphone app serves as your wireless command center for the TONEX Plug, giving you full real-time control over all its parameters. With it, you can browse and load Tone Models from ToneNET, edit them with pinpoint precision, and save your changes directly to the hardware. You’ll appreciate the software’s intuitive drag-and-drop interface, and thanks to deep integration with IK’s Premium and Signature Collections, you’ll be able to elevate the TONEX Plug from a modest headphone amplifier to a powerful, fully customizable tone workstation that adapts seamlessly to any musical scenario. Furthermore, the TONEX Plug pulls double duty as a high-quality USB audio interface, enabling you to record directly to your mobile DAW or desktop-based recording setup — no additional gear required. Finally, you get access to convenient practice tools, such as a quick tuner and a metronome.

IK Multimedia TONEX Plug Features:

  • A cutting-edge headphone amp based on IK Multimedia’s acclaimed TONEX platform
  • Offers the same studio-quality sound as the TONEX Pedal and TONEX ONE
  • Included TONEX SE software provides access to spot-on re-creations of the world’s most iconic amp models
  • 5 reverbs, 2 delays, 5 modulation FX, noise gate, compressor, and EQ — all configurable using the TONEX Control smartphone app
  • Access to 40,000+ free amp and FX rigs via ToneNET
  • 30 Tone Model preset slots that you can fill with your favorite amp and FX combinations
  • TONEX Modeler software allows you to capture the sound of your real-world rig and take it anywhere
  • Onboard Bluetooth enables you to browse, load, and edit your presets using the TONEX Control smartphone app
  • Allows you to stream backing tracks and jam along with YouTube lessons and music-learning apps
  • Built-in USB audio interface integrates seamlessly with your recording software
  • Convenient practice tools, including a quick tuner and a metronome
  • Rechargeable battery with up to 5 hrs. of playtime
What is Certified Open Box Gear?

At Sweetwater, we're so picky that what we call "Certified Open Box" is actually better than what most music retailers sell as "new" gear! Our gear hasn't endured hundreds of people a week plunking away at all the keyboards, fumbling through Stairway to Heaven on every guitar or playing with every fader and knob on a mixer or control surface.

Certified Open Box (also known as a demo) means we’ve had it out of the box for our YouTube channel, displayed at events, tested in our studio, or maybe it was in a customer’s hands for a few days and isn’t ‘factory fresh’ as a result. Every Certified Open Box item we sell has Sweetwater’s 2-year Total Confidence Coverage™ warranty and has been tested and verified up to ‘new’ specs by our factory-authorized technicians to make sure it’s in perfect working order before we ship it to you.

When you buy a Certified Open Box item at Sweetwater, you get:
  • 2-year Total Confidence Coverage Warranty™!
  • Products inspected and tested by our factory-authorized techs, guaranteed to function like new (or better)!
  • FREE shipping on most items
  • Equipment that will MEET or EXCEED your expectations!

Click HERE to browse our current inventory of Certified Open Box equipment. Purchasing Certified Open Box gear from Sweetwater is a smart and safe way to save!

Resources

Best Gifts for Guitar Players in 2026
Jan 1, 2026
Why You Need a Guitar Headphone Amp! IK Mulitmedia, Fender, Positive Grid & BOSS
Dec 4, 2025
IK Multimedia TONEX Plug Headphone Amplifier Demo
Nov 6, 2025

Warranty Info

Sweetwater's FREE 2-Year Total Confidence Coverage Warranty

Extra peace of mind at no extra cost.

  • Save money with FREE parts and labor
  • Get back to making music with the industry's fastest turnaround time
  • Fix it the first time with our award-winning, factory-certified Service Department
Learn More about Total Confidence Coverage
2 Year Total Confidence Coverage
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Tech Specs

  • Type: Digital Headphone Amp
  • Presets: 30 x Tone Model Presets
  • Reverb: 5 x Reverbs (3 x Spring, Room, Plate)
  • Effects: Yes, 2 x Delay, 5 x Modulation
  • Amp Modeling: 20000 Tone Models
  • Inputs: 1 x 1/4" (instrument)
  • Headphones: 1 x 1/8"
  • Software: TONE.net
  • Power Source: USB-C Rechargeable
  • Height: 2.95"
  • Width: 1.57"
  • Depth: 0.79"
  • Weight: 0.15 lbs.
  • Manufacturer Part Number: XG-TONEX-PLUG-IN

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Reviews

3.9

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Awesome tool
I travel a lot and needed a good travel amp. Well this hits the spot. Very small but gives me big amp sound and with Tonex web site. An almost unlimited sound bank. Don't get me wrong, it comes loaded with a bunch of tones that are fully customizable in the app. I use Amplitude and ToneX on my PC so I am very familiar with the software. Fully customizable. Not overly complicated. It fits all my guitars with no issues. I have Jacksons, ESP's, Schecters and PRS's.

As for other users giving this a low rating simply because it does not fit their guitar, that is just short sighted. The actual product is awesome.
by Don from MURFREESBORO, TN on
All about that FEEL homie
Instant tones that feel real — easy setup and sounds amazing. Perfect for practice and recording!
by Sweetwater Customer on
The Best Headphone Amp
For context I own the two Fender Micros and the Boss Katana Go. All are good at what they do but the Tonex Plug is another class above the modeling amps for those devices. Tonex mobile software is the best incarnation of their offerings and it makes it easy to basically select any kind of sound you'd want. The Fidelity is a grade higher than what I've experienced with the others. You have more than enough slots/banks for presets as well. It's absolutely the best one on the market.
by Das from United States on
Music background: Hobbyist and gear enthusiast
Next Level Headphone Amp
I ordered this as I needed an excellent headphone amp so I could play while the wife is in the house. I found out that it is that - and much more. The Plug can be used with high quality headphones to give a great sound. However, it won't stream audio out to buds but will stream audio in from any Bluetooth music source - and this is superb. Practicing jamming along to any source ie Spotify works very well and its a huge plus.

The Tonex 'ecosystem' can be quite daunting as when you register this product with IK it starts downloading all sorts of apps. The good news is that to find and load presets into the Plug then play it all you need is the Tonex Control app for mobile phones - that's a must. In addition, using the Tonex app on desktop to find tone models on ToneNET was pretty easy, and so is turning them into presets that can be loaded into the Plug using the Tonex Editor app (desktop). You can ignore Amplitude and all that complexity unless you want to use the Plug as a recording interface.

Excellent product, sound great.
by Peter from WA on
Music background: Guitarist
Tonex Plug.
I have had the Tonex Plug for a short while now and I can share the "Goods" and the "Bads" that I have found with this wonderful device.
First off the good. The sounds I am getting out of this little device are nothing short of spectacular. I am very impressed by how well my volume knob on my guitar responds with this device. Using VST plugins on my PC for years now I find that the small changes in sound you get with your volume knob don't work as well as if you are plugged into an amp. This Tonex plug responds exactly like an amp. That is a HUGH plus for me. I can set the volume at a medium level and play chords or licks and it sounds great, but I can really "hit the amp" by turning the guitar up. Quite better experience than VST plug ins in my experience. This works really well with "dirty" blues sounds where I clean up nicely at lower volumes but can still go into ROAR mode just by cranking the guitar's volume up. LOVE THIS.
Playing backing tracks via YouTube or Spotify work well and the mix sounds great in the headphones. I went direct into an AUX in on my studio monitors and it sounds really good as well that way.
The bad. I had to pick up a short female to male patch cable as the Tonex Plug would not fit my late 90's Ibanez JC1000 without falling out. It only BARELY fits and if I even touch the device it comes unplugged. I expected this as I also have a Fender Mustang Micro headphone amp with the same issue with this guitar, so I actually had the cable in my hands before the Tonex Plug. This is not a deal breaker for me. Just be aware that your guitar may or may not have this issue.
The Tonex Plug Android app is only OK for me. I am tired of fussing with computers and apps when it's time to play guitar so I really like that once I go through the setup process and get a bunch of amps loaded to this device, I really don't need to mess around with the app too much. On my Laptop the Tonex app is not very good at all, and there is a bit of a learning curve. Keep that in mind if you just like to plug and play.
The pre loaded sounds are amazing on this device and I got a Sweetwater Pack that I am just exploring now, but it seems to have a bunch of cool sounds as well.
Overall I HIGHLY recommend the Tonex Plug. Just know there is a little learning curve with the software side of the device.
by Rich D from Algonquin Il on
Music background: Been Playing for 40 plus years. I think I'm getting a little better.
See also: Practice Amps, IK Multimedia, IK Multimedia Practice & Mini Amps