Deeper and richer bass sound and clearer high frequency sound realizes upgrade from OEM system with perfect fitment. As most of the cars feature a six inch space for mounting speakers on the door: TS-A1677S is a perfect solution for replacing your in-built speakers. The open & smooth sound concept delivers open staging & smooth transitions of driver response to provide the ultimate in-car response. The new rigid Carbon and Mica reinforced IMPP cone and elastic polymer surround provide quicker response and higher sensitivity produces deep and rich bass sound. A new magnetic circuit and a long and symmetrical voice coil make both rich bass and low distortion possible. Listen to rich and clear sound with 320 watt peak power output from perfect fitted speakers.