Best Effect Processor Limiters in 2026

71 built-in guitar effects and 13 amp models

Free download of Zoom guitar lab Mac/Windows software

30-Second looper

28 electric guitar amp models, 5 bass amp models, and 2 acoustic amp models.

Pro-Level Amp Modeling with Bias Tweaking.

56 pedal effects (Wah, OD/Dist/Fuzz, Mod, EQ, Comp, Delay. Reverb).

68 of the highest-quality digital effects onboard, plus 10 ultra-realistic amp and cabinet emulators

100 custom-crafted effects chains by pro guitarists, up to nine effects deep

Built-in expression pedal for real-time control

Compress/Sustainer Pedal with Level

Sustain Controls

Attack

【Classic Peak Limiter Compressor】Based on the legendary Peak Limiter, Lax compression pedal can be described as a faithful recreation of the classical FET compressor. Our classic-inspired pedal with a warm and smooth sound carries you back to the old days.

【Versatile Functions】Donner’s compressor pedal features an easy-to-use tone control：SUSTAIN, ATTACK, LEVEL and LIMIT knobs for different uses. These dedicated controls provide you a wide range of sound shaping for your desired effect.

【Two Practical Modes】Equipped with a mode selector switch, Lax guitar compressor pedal allows more dynamics ranging from smooth tone to robust and vivid sound. Signal can be transmitted in two different modes to satisfy various needs of your playing.

【Stereo Delay】6 Traditional Stereo Delay Effects: Tape, Liquid, Rainbow, Galaxy, Mod-verse, Low-bit.

【LOOPER】80-second capacity LOOPER.

【7 Presets】Storable Presets for each effect module allow you to design your own sound.

Ultrawide dynamic range and extraordinary open tube-like drive sound.

2 distortion working modes: High Peak Mode, boost up the bottom-end, when increasing distortion by Drive knob, you will get more volume and a slight increase in high-mid range(around 3.5KHz). Low Peak Mode, color up extreme little to the original sound, very nice for clean boosting.

True bypass provides transparent tone.

70 onboard high-quality digital effects (68 effects, 1 looper pedal, and 1 rhythm pedal), including distortion, overdrive, EQ, compression, delay, reverb, flanging, phasing, and chorusing

5 amp emulators, 5 cabinet emulators, and 75 custom-designed factory patches

Use up to 7 effects/amps/cabinets simultaneously, chained together in any order

Tabletop/Stand-mountable Vocal Effects Processor with 6 x Effects Types

Auxiliary Input for Backing Tracks

Footswitchable Controls - Red

Compressor guitar pedal with fully analog circuit; provides a broader adjustable range and true bypass

Made of high-quality aluminum alloy for durable strength; small classic size; silver-colored finish

Anti-skid rubber pads on the backside for better stability and friction prevention

Amp Modeler/Multi-effects Process with 3 Footswitches

Expression Pedal Inputs

Stereo 1/4-inch Inputs

Digital Delay - A Caline digital delay with pristine repeats for classic 80’s tones. Ideal for a grab and go board or to stack on your board!

Perfect delay - 1000ms of maximum delay time and feedback. You get some solid delay Tones/noises and adding it with some reverb and flange makes it super space

Easy To Use - Three-Knob tone control(Time/Mix/Repeat), Each knob gives you a wide control range

Battery-powered Ptable Vocal Process with 24 Harmonies

Additional Studio-style Processing

Reverb

80 preset patches and 80 user patches, enough for creating your sound library. You can save any preferred tones by simply pressing down the SAVE button.

8 effect modules, including 66 effect types, providing you with the most unique Mooer sound library. Simply rotate the knob above the screen and everyth

6 assignable expression pedal parameters which greatly improve the convenience and diversity of controlling the tone. Unique adjustable output mode setting allows you to use line out mode to still get a good tone when playing without an amp.

NUX Cerberus multi-effects pedal,can be used as a stand-alone device or 4 cable method connection

including Inside Routing, IR loader, Analog Overdrive,Distortion and Digital Effects

MIDI control to organize your own effect pedals

108 preamp models captured from real-life amplifiers, 164 high-quality effects, and 43 IR-based factory speaker cab models. Support for up to 2048 sample pt. third-party impulse response files. High-quality AMP models that utilize MOOER’s non-linear digital amp modelling technology and IR-based speaker cab models to emulate the same dynamics and feel of a real tube amp.

TONE CAPTURE allows you to sample and capture your real-life amplifier, stompbox, Guitar, or cabinet to create brand-new digital sound models. Programmable FX LOOP with optional signal chain routing for easy integration of your favorite effects and ultimate flexibility for 4 cable method and stereo amp setups.

Stereo outputs (1/4” and XLR) with independent signal chain routing. Flexibility to send different parts of your virtual rig to different devices. MIDI IN/MIDI OUT/THRU with easy mapping and external ctrl switching to control your other pedals and amps.

Multi-effect processor for Guitar with app-based touchscreen interface

Zoom Amp Models combining the tonal qualities of classic amps

Original Distortion and Modulation Effects

Multi-effect processor for Bass with app-based touchscreen interface

4 Iconic DI models,  2 solid state & 2 tube

Integrated A/B switcher for seamless instrument switching

Compressor/Limiter with two presets

Compression Rate and Level knobs for each preset

Universal Threshold and Response settings

New-gen CDCM & F.I.R.E. modeling system ensures high end tonal expressiveness and realistic playing experience

Powerful dual DSP-powered platform ensures excellent sound quality

24-bit signal processing, up to 120dB S/N ratio