Rocktron Heart Attack Dynamic Filter

sensitivity knob and distortion on/off button - that's it

This pedal is a clone of EH's Bassballs pedal. It sounds a little sharper, the distortion tone has more bite and is a little thinner than the Bassballs. The overall sound is more articulate, more of your original tone intact than with the EH. That said, it lacks the warmth and character of the EH (which I own and prefer)

Very sturdy case.

2 adjustments - Sensitivity dial & a distortion button. No adjustment on the distortion. Seems to add more distortion as the sensitivity is turned up.

Pretty good sound. You can get a few different sounds considering there's only 2 controls. It's designed for a bass guitar (mine is a Spector 4 string) but my brother tried it on his Les Paul electric and it made some really cool sounds. Almost like water drip sounds when you pick. I think it sounds good on a bass or an electric guitar. Doesn't seem to suck the tone out of my bass any.

It's in a good aluminum housing that's painted red. The switch is sturdy as well, like the on/off switches on most MXR pedals. I would think you could gig this with no problems.

Pretty good pedal overall. Nice, bright LED to let you know when it's on. Again, I like the on/off switch. I think it "by-passes" pretty good too. I have it after my Ibanez PD-7 Bass overdrive/distortion pedal in my effects chain. My amp is a Hartke 20W bass combo amp and my guitar is a Spector DLX 4 string. Really adds some fancy crazy sounds when you want to get a little wild! You can hear a sound sample on their website: www.rocktron.com