I love this system. Definitely buy some rechargeable AAs, but the battery life actually exceeds what they claim (a simple 6 hours at 80% volume with dual driver headphones. I use this system in my home studio and can walk around the house (50 foot on concrete) and multiple floors) and it sounds fantastic. Picks up (briefly) a trill of emissions from other devices or occasional metal-to-metal touches (e.g. touching a cymbal by its stand, I hear it as a hiss as noise. instantaneous emission that disappears) instantly. If you are looking for an economical wireless IEM system, this is definitely what you need. And it's a STEREO mix, which definitely helps position instruments in the mix in full-range tuning.
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