Pioneer is probably, along with Alpine and Rockford Fosgate, one of the most instantly recognizable brands in Car Audio. Known for putting out good quality products at prices that wont break the bank, Pioneer have largely focused on the consumer market, and stayed away from high end or competition level gear. However, that all changed with the introduction of their TSW-5000SPL subwoofers, a 2000wrms beast that broke all of Pioneer’s previous trends and entered them into the higher end subwoofer market. As their first entry into the heavily populated world of competition woofers, the 5000SPL does reasonably well, with a smattering of records here and there. But the $2500 price tag is more than most consumers can justify, so Pioneer released a baby brother to the 5000SPL, the TSW121SPL. (more…)