In the last two years I have bought four VoiceBooster amplifiers and two additional headsets. Higher wattage amps offer cleaner sound quality but are too heavy to comfortably carry all day as a teacher on the included waist strap. The smaller 10V is more convenient but not as crisp. I could live with the sound quality, but my main concern is that the headphones break too easily. My last one came out just 6 weeks later. I got tired of throwing my money away and instead invested in a more expensive phantom powered wireless system.
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