DSM & Humboldt Electronics

DSM & Humboldt Simplifier X Amp

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A pint-sized powerhouse of all-analog amplifier tone!

Simple in name but comprehensive in tone, the DSM Humboldt Simplifier X Zero Watt Reverb Stereo/Dual Amplifier pedal raises the Simplifier series to an entirely new level with two fully independent amplifier sections.

Both sides of the Simplifier X (Hot-Rod and Classic MKII) feature three spot-on all-analog re-creations of all-time classic amplifier models for a grand total of six amp voices to twist and tweak with the pedal’s extensive EQ knobs and Pre Type/Pwr Type switches.

Three unique modes of operation offer nearly endless cab, amp, and effect switching possibilities, and you also get dual FX send/returns to integrate your stompbox collection.

Impressed yet? Well, that’s not the half of it: The Simplifier X all-encompassing feature set rounds it all out with a trio of reverb modes, dual XLR DI outputs, 1/4-inch outputs with independent Cabsim Bypass, an aux input, and a headphone jack for silent practice.

It all adds up to a pint-sized powerhouse of all-analog amplifier tone, ready to go head-to-head with even the most feature-laden digital modeler!


Six all-analog amp voices to explore!

No matter what sound you’re after, the Simplifier X is happy to oblige with two fully independent all-analog amplifier sections and a grand total of six stunning amplifier voices.

Furthermore, the Simplifier X’s mirrored layout is a tone-chaser’s dream setup, including fully independent Resonance knobs, Presence controls, Pre Type/Pwr Type switches, full 3-band EQs, and Cabsim sections.

Amp A : This side — dubbed the Hot-Rod — contains three ripping amps on tap, from the classic top-boosted chime of AC Brit TB to the screaming gain tones of MS 800. And, of course, the Hot Rod channel also includes a spot-on re-creation of a modern American tube amp classic in the USA Rod voice, providing you with an exacting tonal tribute to the standby tube amp found on backlines and studios all around the world.

Amp B : The Simplifier X’s Classic Mk-II mode collects three amplifier voicings from DSM Humboldt’s previous Simplifier series pedals (AC Brit, USA, and MS Brit). First up, AC Brit re-creates the biting British chime of a 15-watt tube amp classic, while the USA voice goes back to the tweedy beginnings of American amplification with a rough-and-ready roar. Lastly, you’ll find the MS Brit voice to be an immaculate sonic tribute to the high-octane amp head that fueled the classic rock era’s most iconic crunch tones!


Three distinct modes of operation.

Once you’ve chosen your amps and dialed in your EQ settings, the DSM Humboldt Simplifier X offers three unique modes of operation to explore:

A/B Amp + A/B Cab : The Simplifier X starts with a standard dual mono mode, where you swap between your two amp/cab combos with the click of a switch. This setting is perfect for players who need to instantly swap between different tones, with each amp sporting its own preamp, power amp, cab, reverb level, and loop effects.

A/B Amp + Stereo Cab : While this mode also switches between two amp voices, your cabinets and FX loop remain the same on the Left and Right stereo outputs. This allows you to dial in unique cab and effect settings on each side, resulting in a massive and enveloping wash of lush stereo sound.

Full Parallel : Finally, Parallel mode pulls out all the stops, allowing you to run both of the Simplifier X’s amplifier voices simultaneously, with each amp routing through the Left and Right outputs. This mode makes full use of the Simplifier X’s completely independent EQ and tone-shaping control sections (it’s essentially the time-tested double-amp stereo guitar rig packed down into a compact stompbox).


A comprehensive rig replacement.

This 2-channel pedal has more than a few tricks hidden under the hood, starting off with a lush full-stereo reverb with Room, Plate, and Ether settings to impart a sense of space and size to your sound.

Next, a selectable 1/8-inch aux input and headphone jack allow for dead-quiet late-night practice sessions, and you can even send your aux signal straight into the PA at a gig using the Simplifier X’s dual XLR DI outputs.

Factor in the output-specific Cabsim Bypass controls and the included 2-button footswitch with channel switching/reverb buttons, and it’s clear that DSM Humboldt intended the Simplifier X to serve as a truly comprehensive centerpiece to your 6-string rig!


DSM & Humboldt Simplifier X Pedal features:

• All-analog 2-channel amplifier simulator pedal, elevating DSM Humboldt’s revered Simplifier series to an entirely new level!

• True stereo operation, with 2 independent stereo inputs.

• Contains 2 unique sides, each with a trio of unique voices based on all-time classic amplifier models.

• 3 modes allow you to pair the pedal’s two Amp/Cab sides in a variety of different configurations.

• Independent Pre Type and Pwr Type switches on each side, with Power Drive and Preamp Gain knobs to explore a nearly endless array of amplifier possibilities.

• Fully independent EQ controls for each side, including 3-band EQs, Resonance, and Presence settings to tweak your tone.

• Onboard reverb section to add space and dimension to your tone, including Room, Ether, and Plate settings

• FX loop with A/B Send and A/B return 1/4-inch jacks.

• Powerful Cabsim section with Combo/Twin/Stack switch and Speaker Color knob.

• Stereo 1/4-inch outputs with independent Cabsim Bypass switches, in addition to stereo XLR DI outs with a ground lift switch.

• Headphone jack with headphone level knob for silent practice sections.

• Assignable Aux In section with Aux Select control.

• Footswitch for effortless hands-free switching between channels and reverb.

• Power: 9 - 12V DC.

• Current Draw: 150mA.

• Dimensions: 5.1" x 3.9" x 2.5".



Type Speaker Simulator
Condition New
Power 9 - 12V DC
Manufacturer Warranty 2 years
Shipping & Return


  • Free shipping within Canada.
  • Free shipping to the USA.
  • Free shipping on international orders over 399$.

    Visit the Shipping page for more infos.

Fast Delivery

  • Canada : 1 - 2 business days
  • USA : 1 - 2 business days
  • Rest of the world: 3 - 5 business days.

Hassle-Free Returns

You have 45 days to test your new gear.
If you choose to return it, we’ll send a full refund.
It’s that simple: no bogus restocking fees or charges.

Visit the Returns page for more infos.


Frequently Asked Questions

  • Q : Is this item in stock? +

    A : On product pages, you can find an availability status.

    Products with the mention 'In stock' are in stock and ready to ship.

    Products with the mention 'Out of stock' are not currently in stock.

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  • Q : Where are you located? +

    A : We’re in Blainville, Quebec, Canada.

    Contact us to schedule an appointment if you’d like to meet.

  • Q : When will my order ship? +

    A : Orders placed before 3pm EST ship on the same business day.

    An update with tracking details will be sent shortly after purchase.

    (Please note: business days don’t include weekends and holidays)

  • Q : How much does shipping cost? +

    A : Shipping to Canada and the USA is free on most orders.

    Shipping to the rest of the world is free on orders over 399$US.

    Visit the Shipping page for more infos.

  • Q : What shipping method do you use? +

    A : We ship with UPS.

  • Q : What payment methods do you accept? +

    A : We accept credit cards and Paypal.

  • Q : Do you charge sales taxes to Canadians? +

    A : Canadian residents are asked to pay sales taxes:

    Alberta: 5%.

    British Columbia: 5%.

    Manitoba: 5%.

    New Brunswick: 15%.

    Newfoundland and Labrador: 15%.

    Northwest Territories: 5%.

    Nova Scotia: 15%.

    Nunavut: 5%.

    Ontario: 13%.

    Prince Edward Island: 15%.

    Quebec: 14.975%.

    Saskatchewan: 5%.

    Yukon: 5%.

  • Q : Are there import charges on orders shipped to Canada? +

    A : No. Canadian customers will not be charged import fees.

  • Q : Are there import charges on orders shipped to the USA? +

    A : No. USA residents will not be charged import fees.

  • Q : Are there import charges on International shipments? +

    A: Shipping prices do not include VAT or other import taxes.

    Customers outside of Canada and the USA are responsible for duties and taxes.

    Orders that come back to the shop as refused by the customer will be refunded minus shipping.

    Please track your shipment to be aware of customs processing and delivery attempts.

  • Q : Can you declare a lower value on customs documents? +

    A : We understand that import fees are an annoying part of international purchases.

    However, we cannot offer to declare a lower value on customs forms.

    Customers outside of Canada and the USA are responsible for any fees that may be charged by their government.


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