Brother... seriously, just bite the bullet and get a FoxPro X24 man.
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I first had an entry-level ICOTec GC300, I did get a Bobcat to come in to it once. But that was about it. Crappy lo-fi audio. But entry-level, so oh well.
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Then bought a Johnny Stewart GrimSpeaker 2. This unit Could have had much potential and been a great cheaper option for the masses... those that didn't need to buck a lot of wind or long-distances... but the remotes responsiveness to button presses was frustrating at times. And some formats and bitrates of MP3's it didn't like trying to playback, I'd noticed when trying to playback some recordings I'd made of vintage Johnny Stewart Vinyl 45 RPM records, that I was gifted by someone.
Then the power-on slide switch failed.
And THAT was after they sent me back one after it had previously had some kind of internal screw get loose and fall out, and rattle around, inside the unit, which is press-fit together and once the two halves are clicked-in, you wouldn't be able to open it back up without destroying their unit.
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So then I decided to bite-the-bullet and get the X24. EXTREMELY happy with my decision!
First of all.. it's rechargeable... it's got a nice big ol' honking lithium battery back that feels pretty substantial. Gets expensive real quick when you're unit isn't rechargeables.
The remote is nice and easy to understand and move around in. Stupid easy to use. And it's standard sized batteries last a good long time, multiple outings, etc.
But Man... lemme tell ya... the sound fidelity of the unit is beautiful! Made me soo excited when I got it!
If the recording you're using is high quality?... it straight-up sounds like real-life. No BS. None of this sounding like it's being played out of a tin-can BS.
To give you an idea... one of the times I was out at my spot... I was playing Baby Jack, and Son of a B if it didn't call in a fullgrown Adult JackRabbit to the stand! Not only that.. I popped him with my shotgun and then later on, after I decided to end the set... when we went to collect the JackRabbit... (left him there until the set was done to not risk spooking a possible incoming yote) we followed his blood trail a lil bit around a couple bushes nearby, and eventually found the tracks from where a yote had come in to the calling, then obviously spotted this guy bleeding and near-dead and snatched him up!
Brother night-and-day difference in the success rate since getting the X24! Also, after seeing an incoming Yote bolt after seeing my MOJO Critter 2 setup and running, I've since left that at home and my success rate, at this one particular spot I've been going to have been 100%. Every time I go there and make a set or two... I take a yote. In fact.. I don't think in that location I've ever made more than two sets!