(B-Stock) DSM & Humboldt Simplifier X - Zero Watt Reverb Ste

B-stock information

Warranty:	This product comes with a 3-year warranty.
Complete	Yes
Original packaging	In good condition
Condition of product	Damaged
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(B-Stock) DSM & Humboldt Simplifier X - Zero Watt Reverb Stereo / Dual Amplifier
Product no: 5000-0027-1139 Bax Music Warranty: This product comes with a 3-year warranty.

General

With the Simplifier X, DSM & Humboldt launch "the most advanced analogue amplifier simulator ever made". Essentially an upgraded version of the Simplifier Deluxe, this forward-thinking bit of kit sets you up with two completely different channels: the Hot Rod channel that gives you three power amp voicings based on the VOX AC-30 Top Boost, the Fender Hot Rod Series and the Marshall JCM 800, and the Classic MK II channel that serves up sounds based on the VOX AC-15 Normal Channel, the Fender '59 Bassman and the '59 Marshall Plexi. In other words, there's almost nothing that this powerful amp simulator can't handle.

The Simplifier X: Easy to Use

The Simplifier X has been thoughtfully designed for guitarists that are looking for a versatile, flexible and fuss-free unit that delivers impressive analogue sound. No menus, zero latency — what you see is what you get here. The DSM & Humboldt Simplifier X is also fully stereo, featuring two independent inputs as well as two FX loops, stereo outputs, two balanced XLR outputs and a headphone output, all of which have been strategically placed to guarantee optimal pedalboard integration.

Three Modes

The DSM & Humboldt Simplifier X gives you the pick of three modes, where A/B AMP + A/B CAB is the dual mono mode, which is like running two completely different amps that you toggle between via an A/B switch. Each amplifier has its own preamp, power amp, cabinet, reverb mix and Loop FX. In A/B AMP + Stereo CAB mode, you can select different effects and speaker cabs for each side, giving you fuller, 3D-sound. In full parallel mode, it's like you're playing with two different amplifiers at the same time. The various settings and effects of both amps can be tweaked to build the perfect, 100% stereo set-up.

Tips or comments about this product

Please note: A power supply does not come included with this pedal.

Specifications

Product features

Adapter included	no
Centre positive/negative	centre negative
Complete	Yes
Sustainable product	not specified
Guitar preamp functions	boost / gain / level, tone control, DI, cabinet simulator, ground lift, fx loop
Mini pedal	no
Original packaging	In good condition
Condition of product	Damaged
True bypass	no
Power supply plug	barrel 2.1 mm (inner diameter)
Can be powered by battery	no
Voltage	9 V, 12 V

Weight and dimensions including packaging

Weight (incl. packaging)	935 gr
Dimensions (incl. packaging)	16,5 x 16,5 x 9,0 cm

Product specifications

type of effect: analogue guitar amplifier simulator
number of channels: 2
- Amp A – Hot-Rod
  - preamp: bass, mid, treble, preamp gain
  - pre type mini-switch: pwr / amp / clip
  - power amp: resonance, presence, power drive
  - power type mini-switch: AC Brit TB / USA Rod / MS 800
  - reverb A
  - cabsim: speaker color
  - cabsim mini-switch: combo / twin / stack
  - master level A
- Amp B – Classic MK-II
  - preamp: bass, mid, treble, preamp gain
  - pre type mini-switch: pwr / amp / clip
  - power amp: resonance, presence, power drive
  - power type mini-switch: AC Brit / USA / MS Brit
  - reverb B
  - cabsim: speaker color
  - cabsim mini-switch: combo / twin / stack
  - master level B
reverb modes:
- short: room
- mid: plate
- long: ether
modes:
- 1. A/B Amp + A/B Cab
- 2. A/B Amp + Stereo Cab
- 3. full parallel
footswitch:
- channel A / B
- mode: 1 / 2 / 3
- reverb type: room / ether / plate
inputs and outputs:
- input A (main): 6.35 mm mono jack
- input B: 6.35 mm mono jack
- send A: 6.35 mm mono jack
- send B: 6.35 mm mono jack
- return A: 6.35 mm mono jack
- return B: 6.35 mm mono jack
- return link mini-switch: off / on
- thru: 6.35 mm mono jack
- out A (R): 6.35 mm mono jack
- cabsim bypass mini-switch
- out B (L): 6.35 mm mono jack
- cabsim bypass mini-switch
- headphone with volume control: 3.5 mm stereo mini jack
- AUX input with select switch: 3.5 mm stereo mini jack
- DI out A (R): XLR
- DI out B (L): XLR
- mini-switch: ground / lift
power supply: 9 - 12V DC (not included)
power consumption: 150mA
dimensions: 12.5 x 10.5 x 6.5cm
weight: 490g
housing: anodised aluminium with matte black finish
included: footswitch (channel / reverb)

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Martijn July 1, 2026

Wrote the following about DSM & Humboldt Simplifier X - Zero Watt Reverb Stereo / Dual Amplifier

Wat een heerlijk ding. Sinds de eerste line6 pod heb ik altijd modellers gebruikt voor optredens/oefenruimte en opnamens. Met veel plezier hoor, niets mis mee. Ik heb nog steeds een boss gx-10 die ik te gek vind, maar….. ik wordt de grote hoeveelheid opties in deze producten wel eens zat. Te veel zoeken naar een tone en te weinig spelen. Dat is waar deze beauty te pas komt. Geweldig geluid met het draaien aan een paar knoppen. Helemaal te gek. Voelt ook goed onder de vingers. En die jcm800 sound is gewoon heerlijk. Het is een vox voor clean en de icm800 voor dirty. Helemaal blij ! Nu wil ik die voor de bas ook nog 😂