This sub plays deeper than any sub I’ve ran with a 750rms amp. It replaced a skar sdr, the skar replaced a ct sounds ozone, the ozone replaced the alpine type r, before that two older Jl audio w3v2… nothing compares when considering 35hz and below. Sound quality, this sub is not the tightest or most accurate, but I’m using a ported enclosure so maybe with a sealed box it would sound a little tighter. Overall my needs for deep thunderous bass for more than answered, I’m still baffled by how much more powerful it is than my previous setups. Zero distortion on the rebasssed or decaf tracks. Others complained about it coming with no manual lol, if you need a manual you do not deserve this subwoofer for it is not for a beginner.