MXR M87 Bass Compressor Effects Pedal Bundle Review: The Ultimate Tool for Professional Dynamic Control
Every bass player has been there: you’re on stage, your fingers are flying, and you feel like you’re locked in with the drummer. But when you listen back to a recording or step out front during a soundcheck, something is missing. Your low-end sounds “thin,” your slapping spikes too hard, and your fingerstyle notes get buried the moment the guitarist steps on their distortion pedal. This inconsistency is the silent killer of a professional bass tone. Without proper dynamic control, your instrument lacks the “glue” that holds a track together. For years, I struggled with “peaky” notes that were either too loud or completely lost. Solving this isn’t about volume; it’s about compression. If you don’t address your dynamics, your performance will always lack that polished, studio-quality “punch” that defines modern music. We recently spent weeks putting the MXR M87 Bass Compressor Effects Pedal Bundle through its paces to see if it truly provides the solution bassists have been searching for.
The MXR M87 Bass Compressor Effects Pedal Bundle promises to take the complexity of studio-grade rack compressors and shrink it down into a pedalboard-friendly format. When you’re playing live, you need a device that can catch those transient peaks instantly without “coloring” your tone or making it sound like a squashed mess. Many inferior pedals suck the life out of your low frequencies, leaving you with a dull, muddy signal. We found that the M87 aims to do the exact opposite—preserving your natural tone while tightening up the performance. You can check the latest price and availability to see how this fits into your gear budget, as finding a transparent compressor is often an expensive endeavor.
- Bundle includes 6 assorted Dunlop picks, 2 patch cables, and 9V power supply
- 10 gain-reduction status LEDs
Essential Considerations: What to Look for in a High-End Bass Compressor
A Electric Guitar Compression Effects is more than just an item; it’s a key solution for any musician looking to achieve a professional, consistent sound across every note they play. In the world of bass, compression is less of an “effect” and more of a “utility.” It works by narrowing the dynamic range of your signal—turning down the loudest peaks and effectively bringing up the quieter nuances. This results in a “thickened” sound that sits perfectly in a mix without requiring the sound engineer to ride your fader all night. The primary benefit is clarity; whether you are playing a light jazz groove or a heavy metal line, every note is heard with equal intensity and definition.
The ideal customer for this type of product is someone facing inconsistent volume levels during live performances or anyone who feels their recorded bass tracks lack “weight.” It is perfect for slap players who need to tame those aggressive pops or fingerstyle players who want more sustain. However, it might not be suitable for those who are looking for a “character” compressor that adds grit or significant harmonic distortion. If you want your pedal to sound like a vintage tube amp breaking up, this transparent, studio-style unit may not be your first choice. Instead, you might consider a dedicated preamp or a “dirty” compressor pedal.
Before investing, consider these crucial points in detail:
- Dimensions & Space: Bass pedalboards fill up fast, especially if you use tuners, preamps, and DI boxes. You want a unit that offers professional features without taking up the space of a small car. The MXR M87 Bass Compressor Effects Pedal Bundle is housed in a standard Phase 90-sized enclosure, making it remarkably compact for the number of controls it offers.
- Capacity/Performance: In the world of compression, performance is measured by transparency and headroom. You want a pedal that doesn’t clip when you hit it with an active bass’s high-output signal. Look for “Constant Headroom Technology” or high-voltage internal rails to ensure your signal stays clean even under heavy compression.
- Materials & Durability: Gigging is tough on gear. A plastic chassis simply won’t cut it for a pedal that is going to be stepped on hundreds of times a night. Aluminum housings are the industry standard for a reason—they are lightweight yet nearly indestructible under normal touring conditions.
- Ease of Use & Maintenance: Compression can be notoriously difficult to dial in. Look for intuitive controls (Attack, Release, Ratio) and, most importantly, visual feedback. Being able to see how much your signal is being compressed via an LED meter is a game-changer for setting up your sound in a dark venue.
While the MXR M87 Bass Compressor Effects Pedal Bundle is an excellent choice, it’s always wise to see how it stacks up against the competition. For a broader look at all the top models, we highly recommend checking out our complete, in-depth guide:
- 【Advanced Compressor Pedal】Donner’s comprehensive pedal can smoothen out dynamics between the high and low frequencies without degrading the original sound, offering you a more even and robust...
- The first true advancement in our 2 and 4 knob compressor line. The new features are simple and straight forward
First Impressions and Features: Unboxing the MXR M87 Bass Compressor Effects Pedal Bundle
When we first opened the MXR M87 Bass Compressor Effects Pedal Bundle, the first thing that struck us was the build quality. MXR has a long-standing reputation for “tank-like” construction, and the M87 is no exception. The lightweight aluminum housing feels incredibly solid. The bundle itself is designed to be a “plug-and-play” solution, including a 9V power supply, patch cables, and a handful of Dunlop picks. This is particularly helpful because compressors are notoriously picky about power; using a high-quality adapter is essential to avoid unwanted hum or floor noise. You can see its full feature set and user reviews to understand why this specific bundle is a popular starting point for many bassists.
The layout is very “studio-pro.” Instead of the simplified one or two-knob setups found on budget pedals, the MXR M87 offers a full suite of controls: Input, Output, Attack, Release, and a 4-way Ratio switch. This level of control is typically reserved for expensive rack-mount gear. Comparing it to previous versions or simpler market leaders, the M87 stands out because of its transparency. It doesn’t “smother” your tone. Instead, it feels like an invisible hand keeping your levels in check. The inclusion of CHT (Constant Headroom Technology) ensures that the pedal doesn’t distort even when pushed hard, which we found to be a major advantage during high-energy testing sessions.
Key Benefits
- Studio-grade transparency that preserves the natural character of your bass.
- 10-LED Gain Reduction meter provides essential visual feedback for precise setting.
- CHT (Constant Headroom Technology) offers clean, clear performance without clipping.
- Full control over Attack and Release times, allowing for immense versatility.
Limitations
- Steep learning curve for beginners who are new to compression settings.
- Bundle patch cables and power supply quality can vary according to some user reports.
Deep Dive: Professional Performance and Real-World Testing
Studio-Grade Transparency and Constant Headroom
In our extensive testing, the standout feature of the MXR M87 Bass Compressor Effects Pedal Bundle was its absolute transparency. Many bass compressors on the market tend to “darken” the tone or add a specific mid-range bump that can be frustrating if you’ve already spent thousands on a high-end bass and amp. We found that the M87 is remarkably “invisible.” When the pedal is engaged, your bass still sounds like your bass—just better. The notes feel more consistent, the low-end feels more “anchored,” and the highs are tamed without being dulled. This is largely thanks to the CHT (Constant Headroom Technology). We tested this with both a passive Fender Precision Bass and a high-output active Music Man StingRay. Even with the active preamp of the StingRay boosted, the M87 handled the input signal without any unpleasant digital clipping or analog distortion.
This transparency is a double-edged sword. If you are looking for a pedal that provides a “vintage squish” or a noticeable “thump” like an old Ross-style compressor, you might find the M87 almost too clean. However, for the professional gigging musician who needs their bass to sit perfectly in a live mix, this is exactly what you want. We also noted that the floor noise is impressively low. Many compressors amplify the “hiss” in your signal chain when they bring up the quiet parts of your playing, but the M87 remains quiet enough for critical recording applications. To get a better sense of how it handles different pickups, you should explore the technical specs in detail.
The Power of Visual Feedback: The 10-LED Meter
If there is one feature that truly sets the MXR M87 Bass Compressor Effects Pedal Bundle apart from almost every other pedal in its price bracket, it is the 10-LED Gain Reduction meter. Compression is an effect that you should feel more than hear, which makes it notoriously difficult to set correctly by ear alone—especially on a loud stage. We found that the LED strip is a total game-changer. It shows you exactly when the compressor is “grabbing” the signal and by how many decibels it’s being reduced. This allows for incredibly precise adjustments. If you see the lights jumping all the way to the top on every note, you know your input is too high. If they barely flicker, you’re not getting enough compression.
During our “dark room” test, the LEDs were bright and easy to read from a standing position. This visual confirmation is why so many professional bassists choose the M87. As one user noted, the LED strip allows one to really fine-tune the effect in a way that “blind” pedals simply don’t allow. It takes the guesswork out of your sound. Whether you’re trying to achieve subtle peak limiting (where the lights only flash on the hardest hits) or heavy “squashed” compression (where the lights stay active longer), the visual feedback ensures you are hitting the “sweet spot” every time. This is a feature that really sets it apart from cheaper pedals that leave you guessing.
Masterful Control: Dialing in Attack, Release, and Ratio
The control set on the MXR M87 Bass Compressor Effects Pedal Bundle is perhaps the most comprehensive we’ve seen on a standard-sized stompbox. Most pedals give you a “Comp” knob and maybe a “Level” knob. The M87 gives you everything. The Attack control is particularly vital; it determines how quickly the compressor reacts to your initial note strike. We found that by slowing down the attack, we could let the natural “click” of the pick or the “thump” of the thumb pass through before the compression kicked in, preserving the punch. The Release control allows you to decide how long the pedal holds onto the note. Setting this correctly is the difference between a natural-sounding sustain and a “pumping” effect that sounds amateurish.
Then there is the Ratio switch, which offers 4:1, 8:1, 12:1, and 20:1 settings. In our testing, the 4:1 setting was perfect for general “always-on” compression that just evens out a performance. The 20:1 setting essentially turns the pedal into a limiter, which is perfect for aggressive slap bass where you want to ensure your “pops” don’t clip the front end of the PA system. Having these distinct ratios—rather than a variable knob—makes it much easier to return to your favorite settings after the knobs have been bumped in your gig bag. It’s an essential addition for any pro pedalboard, and you can order this professional-grade compression kit today to start mastering your dynamics.
Assessing the Bundle Value: Extras and Practicality
While the pedal itself is a five-star piece of equipment, we have to look closely at the “Bundle” aspect of the MXR M87 Bass Compressor Effects Pedal Bundle. The bundle includes a 9V AC/DC adapter, two patch cables, and six Dunlop picks. For a beginner or someone building their first board, this is incredibly convenient. However, our evaluation found that the quality of these “extras” can be hit or miss. While the Dunlop picks are industry standards, some users have reported issues with the generic patch cables or the polarity of the included power supply. We recommend double-checking the adapter upon arrival to ensure it matches the 9V center-negative requirement of the pedal.
That said, even if you only use the power supply and keep the patch cables as backups, the bundle often represents a better value than buying the pedal solo. Having a dedicated power supply is crucial because compressors are sensitive to voltage drops. If a battery starts to die, the headroom of the pedal decreases, and your sound will begin to distort. By using the included adapter, you ensure that the CHT technology has the “juice” it needs to provide that crystal-clear signal. It’s a smart way to ensure you have everything you need to get started the moment the box arrives. For those who want the full setup, you can see its full feature set and user reviews to decide if the bundle is the right path for you.
What Other Users Are Saying
The general consensus among the bass community regarding the MXR M87 Bass Compressor Effects Pedal Bundle is overwhelmingly positive, specifically regarding the pedal’s transparency. Many long-time players mention that they wish they had purchased this years ago instead of wasting money on “inferior” alternatives. One user highlighted that it is “so transparent, only squishing down the peaks and filling in the valleys and nothing more,” which perfectly echoes our findings. The LED strip is frequently cited as the most helpful feature for live use, allowing players to gig with confidence.
However, the feedback isn’t without its warnings. While the pedal itself earns high marks, a few users were disappointed with the “bundle” components. One reviewer noted that the patch cables they received did not work and the power supply had reversed polarity, which is a significant frustration. Another user mentioned that it “takes a while to get the settings right,” suggesting that this isn’t a pedal for those who want to “set it and forget it” without learning the basics of compression. Despite these minor bundle issues, the core product—the M87 pedal—remains a top-tier choice, with one husband-and-wife duo noting how much it “thickened” the bass sound for their live sets.
Comparing the MXR M87 Bass Compressor Effects Pedal Bundle to the Competition
While the MXR is a powerhouse, it’s essential to see how it compares to other heavy hitters in the compression world. Here are three alternatives that might suit different needs or budgets.
1. Keeley Compressor Plus Pedal
- The first true advancement in our 2 and 4 knob compressor line. The new features are simple and straight forward
- There is a simple Release Switch that is tuned for single coils or humbuckers. No more wondering if you have the attack or release set right
The Keeley Compressor Plus is arguably one of the most popular compression pedals in the world. Unlike the MXR M87, which is designed with a “studio-clean” philosophy, the Keeley adds a bit more “sweetness” and character to the tone. It features a “Blend” knob, which allows you to mix your dry signal with the compressed signal—a feature the MXR lacks. This is great for maintaining the absolute attack of your notes. However, it lacks the detailed LED metering of the MXR, making it harder to set precisely. We would recommend the Keeley for players who want a more “musical,” classic compression sound and don’t mind the lack of visual feedback.
2. JOYO JF-10 Dyna Compressor Pedal for Electric Guitar & Bass
- TRANSPARENT, STUDIO-STYLE ANALOG COMPRESSION: The JF-10 delivers smooth, natural compression that subtly polishes your sound without squashing your tone. Players describe it as "very transparent" and...
- 3-KNOB CONTROL – SUSTAIN, ATTACK & LEVEL: Sustain adjusts compression amount, Attack controls how quickly it engages, and Level compensates output volume. The Attack knob is especially useful for...
If you are on a strict budget, the JOYO JF-10 is a classic re-creation of the famous Ross Compressor circuit. It is significantly more affordable than the MXR M87 Bass Compressor Effects Pedal Bundle but comes with some trade-offs. It is much noisier and offers far less control, with only three knobs and no LED meter. While it works for bass, it doesn’t have the “Constant Headroom” of the MXR, meaning it can distort if you have a high-output instrument. We recommend this for beginners who are just starting to experiment with compression and aren’t ready to invest in a professional-grade tool yet.
3. Behringer CS400 Ultimate Compressor Sustainer Pedal
- Get super-smooth compression and endless sustain
- This BEHRINGER product has been designed to compete head to head with leading products on the market
The Behringer CS400 is the ultimate “utility” budget pick. It is made of plastic rather than aluminum, so it won’t survive a world tour, but for a home studio or a bedroom practice setup, it’s surprisingly effective. It offers basic Sustain, Level, Attack, and Tone controls. Compared to the MXR M87, the Behringer is much less transparent and can feel a bit “mushy” on the low frequencies. However, for the price of a few sets of strings, it provides a functional introduction to dynamic control. We recommend this only for hobbyists or those who need a temporary “fix” for their dynamics on a very tight budget.
Final Verdict: Is the MXR M87 Bass Compressor Effects Pedal Bundle Worth It?
After weeks of testing and comparing it with both budget and boutique alternatives, we can confidently say that the MXR M87 Bass Compressor Effects Pedal Bundle is one of the best investments a serious bassist can make. Its combination of studio-grade transparency, robust build quality, and that indispensable 10-LED gain reduction meter makes it a standout performer. It solves the primary problem of “getting lost in the mix” by providing a tight, consistent, and professional low-end that sounds like it was mixed by a pro engineer. While the learning curve is steeper than a simple one-knob pedal, the rewards are well worth the effort of learning how Attack and Release times impact your specific playing style.
We recommend this bundle to semi-pro and professional bassists who value tone purity and need a reliable tool for both the stage and the studio. While the “extras” in the bundle can be hit or miss, the pedal itself is a legendary piece of gear that will likely never leave your board once you’ve dialed it in. If you’re tired of “peaky” notes and want a sound that is thick, punchy, and consistent, this is the solution. Don’t let your bass sound get buried any longer—take control of your dynamics and grab the MXR M87 bundle today.
Last update on 2026-06-27 / Affiliate links / Images from Amazon Product Advertising API