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Add to SafariWhen comparing Koss i150 vs JBuds J4, the Slant community recommends JBuds J4 for most people. In the question“What are the best rugged and durable earbuds & IEMs that last?” JBuds J4 is ranked 4th while Koss i150 is ranked 12th. The most important reason people chose JBuds J4 is:
J4 cables are reinforced with kevlar to resist breakage. The flat design helps prevent kinks, as the cable coils rather than twisting or bunching. Also, tough and flexible reinforced exoskeletons protect the cable connections and joints.
Specs
Question Ranking
Pros
Pro 4ft cord
Cord is long enough for all uses.
Pro Clear Balanced Sound
Crisp and clear sound. Quite good for earbuds of this size.
Pro Warranty supported after over a decade and a half
There are tons of stories from customers that talk about how they supported their warranty after decades with no receipt, at only the cost of shipping and handling. Koss really means it when they say lifetime warranty.
Pro Durable Kevlar-reinforced flat cables with strain relief
J4 cables are reinforced with kevlar to resist breakage. The flat design helps prevent kinks, as the cable coils rather than twisting or bunching. Also, tough and flexible reinforced exoskeletons protect the cable connections and joints.
Pro Heavy-duty aluminum housing
JBuds J4 components are protected by rigid aluminum cylinders, capped with aluminum grills.
Pro Detailed sounding highs with punchy bass
Overall sound is quite bassy, with low end that is very punchy and fast, so it does not muddy up the music. The mids are slightly recessed, though the vocals can still be quite clearly heard as the bass does not overpower it. Highs on the other hand sound pretty good as they are clear and detailed without getting harsh.
Pro A good number of accessories are bundled
With the J4, you get an EVA foam carrying case for even more protection and convenience when bringing these on the go. Also, there are two sets of silicone ear tips: 3 pairs of single flange tips as well as 3 pairs of double flange tips. A shirt clip is also included.
Cons
Con Heavy wires generate noise
The J4's thick cables carry sound like a stethoscope, including the sound of the cables themselves moving and rubbing against things. This can be particularly bad while walking or running.
Con Significant defect rate
Although the J4s are built to be durable, many users report them breaking down after 1-3 months of light use.
Con No volume control
The J4s come with a mic and control switch, but no built-in volume control.
