I purchased this along with the K-410, and together with my BH550 it makes a fantastic rig. The sound is punchy, well-defined, clear, and extremely versatile, with the cabs able to easily accommodate everything you can throw at them. I mostly play classic rock, and the feedback from audiences about my bass sound has been 100% positive.
The K-115 is very useful on its own, either for practise, rehearsal, or smaller gigs, but paired with the K410 the sound is simply magnificent!
The build is first rate and the cab just oozes quality. I have given 4-stars for "Features" for this reason: These cabs do not have interlocking corner protectors - the K-410 sits directly on top of the K-115 on its 4 hard rubber feet. I can imagine that with heavy usage the tolex covering will become damaged, so I use a non-slip neoprene mat (very thin and invisible when in use) to protect the top of the K-115.
All in all, this is by far the best bass rig I have owned, and I am happy to recommend the cabinets.
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