MXR Bass Compressor!! There are several adjectives you’ll often hear or see while looking through the features of effects pedals. Based on that, I chose the MXR Bass Compressor and no complaints so far. Feb 19, 2012 #3. 166 evaluaties . thanks for you reply . Effectpedaal. Feb 19, 2012 #4. rhopper Supporting Member. Although both compressors sound very good, with little to no noise and/or tone colouring, the Keeley won it … I read lots of reviews and watched/listened to lots of demo videos. This is especially true when we’re talking about versatility. Here is what MXR say about the M87 Pedal. I have checked it out, and they seem on par with each other which is why I am curious to see what you all thought. £171. Even though the same words are utilized, they mean different things depending on the specific effect we’re talking about. Apr 18, 2009 Olympia, Wa. MXR M87 Bass Compressor for... Bax-shop UK. KORNSKYDIVER. The MXR M87 gives you great control over your tone in a pedal the same size as a Phase 90. Everything pointed me toward this compressor … It has been used countless times for describing units, as […] 5 Knob Compressor Pedal designed for bass. When I first started playing bass, compressors were just what’s known as full-band. View. So the M76 is for those guitarists. Take your favorite studio compressor to the stage with the MXR M87 Bass Compressor. MXR M87 "Bass" and M76 "Studio": MXR has informed me that their new M76 "Studio" comp is exactly the same as the M87 "Bass" comp.They found that guitarists loved the sound of the M87, but were turned off by the word "bass" printed on it. Nowadays it’s possible to divide up your frequency range into low, mid and high bands, rather than thinking of it as one source. MXR M87 Bass Compressor. I wanted a pedal compressor for bass that didn't require a special power supply and was under $200 and of course I wanted it to sound good above all else. This Keeley bassist compressor and the MXR M87 compressor.