The JB9, a unique set of earbuds, is designed for enhanced audio performance, comfort, style and carrying convenience. Although designed with a sense of fun, the JB9 delivers serious high quality sound from its proprietary custom design and tooling. Enhanced acoustic chambers built into the earbuds improve overall sonic performance and increase bass response for overall clearer sound...
“I'm not a high-end hifi guy, but I own a few pairs of headphones and earbuds so I'm capable of telling my experience. The Carbo Tenore has a generally dark sound signature, but that doesn't mean anything sounds recessed. They have decent bass as BAs, the high is not sibilant, the mid is good. The soundstage is not large. For around 35 bucks, you can't go wrong with these if the sound signature...” --tonyjiang
“A mids-focused specialist with a little bass thump and smooth, relaxed treble (recessed, but still has some detail). Not an especially engaging sound (a little too relaxed maybe). Decent across genres, but tend to congestion during busy/noisy passages. I find them particularly useful for low volume podcast legibility, though with podcasts that are poorly leveled, subject to intrusive volume...” --Raketen