output power is low atleast on papers 175 w rms on bridged port is low for most 12 inch woofers if you are planning to attach one in real life situation it works but not really excelschecked with 12 300 w rms jbl did not like the sound finally settled for 180 w rms polk 8 also my two jbl gto 949 is attached on the other two channels bass is good the position of lpf and other switches are a bit trickywould also loved a few led designer light or a glowing logo asking too m