Pricing and availability
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Price
Average Price: $171
High-end/Boutique
$75
$151+
Price Tier
Budget
Standard
High-end
Price History
Based on price data from 1 merchant for "ISP Technologies Decimator II". Prices shown reflect NEW condition. Tracking began Apr 23, 2026.
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Description
Introducing the groundbreaking ISP Technologies Decimator II; a noise gate guitar pedal that elevates the art of noise reduction. This game-changing device features revolutionary improvements on the classic Decimator design, including the integration of a highly sophisticated linearized Time Vector Processing technology. This innovative feature ensures a smooth sustained-note decay, virtually eliminating release rippling and maintaining the transparency of your sound.
The Decimator II is not just an upgrade, it's a leap in sound engineering, offering musicians the opportunity to control their sound like never before. With the ability to link two Decimator pedals via a 1/8" cable, your signal input is directly tracked, maximizing the effectiveness of the noise reduction.
The Decimator II is your ultimate ally in maintaining a clean, unadulterated sound, whether in the studio or on stage. It's not just a pedal, it's a pathway to a purer, more controlled sound.
Key Features:
- Revolutionary Linearized Time Vector Processing technology for smooth release-response
- Ability to link two Decimator pedals for direct input signal tracking
- Enhancements on the original Decimator design with two new pending patents
- Preserves the original guitar sound without alteration
- Easy to use with practical design and strong metal housing
- 60 dB noise reduction capability
- Provides the same tracking performance as ISP's ProRack G system
- Powered via two AA batteries or an external power supply.
Product specs
| Brand | ISP Technologies |
| Model | Decimator II Noise Reduction |
| Finish | Chrome |
| Year | 2010s |
| Categories | Noise Reduction and Gates |
| Pedal Format | Standard |
FAQs
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What type of noise reduction does the ISP Technologies Decimator II offer?
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The ISP Technologies Decimator II provides advanced noise reduction, effectively eliminating unwanted noise and hum without affecting your guitar's tone, making it ideal for high-gain setups.
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Can the ISP Decimator II be used in an effects loop?
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Yes, the ISP Decimator II can be used in an effects loop, providing effective noise reduction for both your preamp and effects, ensuring a cleaner overall signal.
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How does the ISP Decimator II differ from the original Decimator pedal?
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The Decimator II features improved tracking and a more refined noise reduction circuit compared to the original, offering enhanced performance and greater noise suppression capabilities.
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Is the ISP Decimator II suitable for live performance?
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Yes, the ISP Decimator II is well-suited for live performances, providing reliable noise reduction that maintains your tone integrity, making it a popular choice among gigging musicians.
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What power requirements does the ISP Decimator II have?
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The ISP Decimator II requires a 9V DC power supply with a current draw of 35mA, which is standard for most pedalboards.
Videos
Riffs, Beards & Gear
Noise Gate Shootout! (Feat. Ben Eller)
Noise Gate Shootout! (Feat. Ben Eller)
Riffs, Beards & Gear
ISP Technologies Decimator II Noise Reduction Pedal Review - Sweetwater Sound
Sweetwater
ISP Technologies Decimator II G String Noise Suppressor Pedal Review - Sweetwater Sound
Sweetwater
ISP Technologies Decimator Noise Reduction Pedal | Reverb Demo Video
Reverb
ISP Technologies Decimator II Noise Reduction Pedal Review
Edwin Kim
ISP Decimator II Noise Reduction Pedal | N Stuff Music Product Review
N Stuff Music
How To Setup Pedalboard: ISP Technologies Decimator II The BEST Guitar Noise Reduction Pedal
Mickey Martin
Reviews
PROS
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Doesn't degrade signal or tone
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Simple one-knob operation
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Effective with high-gain setups
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Works well in combination with other pedals
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Heavy-duty build quality
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Can function as a kill switch
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Eliminates noise without affecting sustain
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Does not introduce signal noise
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Cleans up signal for clearer tone
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Works effectively in effects loop
CONS
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Reflective surface can make text hard to read
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May require adjustment when switching from high-gain to clean channels
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Price point slightly higher due to build and aesthetics
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Can make sound overly digital if not used sparingly
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Minimal but noticeable sustain loss at extreme settings
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about ISP Technologies Decimator II.
Use cases and applications
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Owners find the ISP Decimator II essential for high-gain metal setups, providing total silence when not playing even with effects loop placement.
Source -
The pedal is particularly valued in live settings for eliminating venue-specific noise and hum, though it may remove certain frequencies from the guitar tone.
Source -
The Decimator II G String struggles with clean, sustained notes in ambient or post-rock styles, causing choppy decay, unlike its efficacy in high-gain metal settings.
Source -
A workaround for sustain issues with the Decimator II is to use reverb or delay pedals in tandem, which helps maintain note clarity and length.
Source
Comparisons
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The Decimator II G String version offers advanced features like side chaining that allows for noise reduction from distortion pedals, providing a notable advantage over the regular model.
Source -
Some owners returned to the ISP Deci-mate G Micro from the Fortin Zuul, finding it better at allowing notes to ring out longer.
Source
Features and functionality
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The Decimator II G String can adjust the noise gate threshold dynamically when switching between clean and high-gain settings, which is not possible with two regular Decimator IIs.
Source -
The Decimator II G String is noted for having unbuffered guitar input/output, which some owners prefer for maintaining signal integrity.
Source
Setup and maintenance
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When using distortion through the front of the amp, the Decimator II needs to be in the effects loop to effectively reduce noise from the power amp section.
Source
User experience
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Some users note that the Decimator II does not perceptibly alter tone, maintaining complete transparency in sound quality.
Source
4.5 out of 5
Based on 12 Reviews and 61 Ratings
1288
The Chrome Plated Sound of Silence!
To qualify this review, the Decimator II his is my first foray into using a noise gate. From the outset, I was actually aiming to buy the MXR SmartGate. When it came down to it, I was talked into getting the Decimator II. "It's a little more, but worth it." said the salesman. Regardless, I am very impressed. This addition has killed this hiss and I love it. This difference is positively stark. It's like magic. Doubly so given that with a single knob, you can hear when the hiss is gone. It really has provided a simple, no fuss solution.
I am running with a light touch on a Fulltone PlimSoul for distortion, but really haven't pushed this much. I lean into clean for sound so we'll see how things progress as I get deeper into distortion. For now, I'm very pleased.
With regard to price, the difference when compared to the competition was negligible in my book. A little more yes, but nominal. Even still, you have to wonder how much the chrome finish has to do with the dollars vs the technology & circuit. The box looks bad ass & shiny, but still... is it the chrome that makes it so good?
All-in-all, I am so happy with this addition that I can't see a future playing without it. Regardless, I will keep the MXR on my wishlist to try on the off chance that upping the distortion level introduces any tone suck or clipped sustain at the extremes with the noise gate. Until then, with the Decimator II, I'm ready to rock! ~m
795
Killer at Killing Noise
As I'm starting to have mixed feelings about my Smart Gate, I decided to ask my cousin to borrow his Decimator to test it out. So far I am really enjoying it. I run a really noisy rig (high-gain amp, EMGs, cranked up gain and guitar volumes are dimed) so a noise gate is a must for me. Juxtaposed with the SG, the Decimator is much simpler. The former has the threshold knob and the switch of levels, whereas the latter is simply one knob, which you can turn to find the sweet spot for you. For me, it cuts out a lot of extra noise when I'm not playing at it is exceptional at finding just where it needs to cut out the extra noise. Very little tone suckage, if at all, and only a smidgen of sustain loss. I would definitely recommend it for simple looking for a simple gate.
246
Use this close to beginning of Signal Chain
It goes guitar, tuner, then Decimator 2 before any other pedal. Greatly cleans up my signal allowing all other pedals to cleanly do their thing. Brilliantly cleans up my tone. Use sparingly. Can make you sound digital. I rarely go past 50%. Second in signal chain.
astounding pedal!
Does exactly what you need it to. Simply move the nob until the unwanted noise is gone. really does cut out all of that nasty stuff. No tone sucking either!
99
Excellent Noise Gate!
I bought this to try and eliminate some RFI interference I'm getting. I still get a little bit on initial strike of the strings, but this is an excellent noise gate. I guess I need to run humbuckers to get rid of the RFI.
107
Quiet and clean
This is a god send, best noise reducer/gate i have used. Cleans up the volume push from my overdrive pedal before it hits my tube amp, quiet until i pick and quickly clamps down. Cannot stress how much it was worth the money.
751
Well Made and well Thughr .... A Must !
This is the most simple and efficient with one knob .... noise is killed ... but not the original power and quality ...... you can put it where you see that signal begins too much noizy ..... This technology is better than simple noise gates too complicated to set up in a serial or parallel configurations
164
does what it says on the box...
considering i moved from an NS-2 to this, i am definitely going to 'fan-out' all over this pedal. it is super tight, and responsive; the slightest turn of the knob actually has an effect on the sound, and tone succ is very minimal, for the most part. this is a g8 G8, and i r8 8/8.
Simple and efficient.
Easiest noise gate to dial, but also the best I ever used. It's a must have on your pedalboard. I use it for guitar and bass.
131
ISP
Wow, this thing is unreal! I was using the Boss Noise Suppressor for ages... why on earth i'm not sure that thing sucks your tone like you wouldn't believe! Don't think twice, get the ISP!
Artist usage
Add artist
Tosin's board is home to a TC Electronic PolyTune 2 BlackLight, ISP Technologies Decimator II, Bogner Harlow, Strymon TimeLine, Strymon BigSky, Empress ParaEQ, KHDK No. 2 Clean Boost, two Friedman BE-ODs, Carl Martin Plexitone, Bogner Ecstasy, Horizon Devices Precision Drive, and a Boomerang III Phrase Sampler. Everything is controlled by a Carl Martin Octa-Switch MKII.
In this photo of Wayne Sermon's pedal board, source from the Rig Rundown of Imagine Dragons, A noise suppressor by ISP is seen on the bottom-left corner.
Nergal, from the band Behemoth, uses the ISP Technologies Decimator II noise gate pedal. This identification is based on a discussion in the guitarpedals subreddit, where users analyzed his pedalboard setup.
In this video, Reba talks about her pedalboard. The first pedal she talks about is the Decimator. We can see it is a Decimator II.
Seen on her pedalboard used during the Rausch und/and Craziness concerts, as posted on a stagegear.jp article.
In an article by Ward Meeker for Vintage Guitar® magazine, Elliot Easton is mentioned using the ISP Technologies Decimator II noise reduction pedal.
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isaac uses an isp decimator to cut a bit of the unnecessary noise from his setup
In the video titled "Brandon Ellis The Black Dahlia Murder Live Rig 2024" on YouTube, Brandon Ellis demonstrates his use of two ISP Technologies Decimator II Noise Reduction Pedals. He utilizes two pedals to have different noise gate settings while switching between riff and lead/solo channels.
0:29 - In a 2016 BIGBOSS Clinic at Ochanomizu, Japan, Syu can be seen demonstrating a pedalboard with 3 different Boss Overdrive pedals, a Digitech Whammy pedal and a Waza Craft Delay pedal.
11:02 - Syu's second pedalboard can be seen, in which he utilizes a Morley Steve Vai Wah, Digitech Whammy DT and an ISP Decimator noise gate.
As seen on this Instagram pedalboard picture, Alex used a ISP Decimator II.
Album Usage
The ISP Technologies Decimator II has been featured on the following albums:
Genre Usage
Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.
Used With
Based on how musicians on Equipboard use ISP Technologies Decimator II, it is most commonly used with the following gear.
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Community setups
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