Boss CH4330 4x10" 400W Speakers (Pair) and CH4620 4x6" 200W Audio Speakers (Pair) Package includes pair of 4x10-inch speakers and a pair of 4x6-inch speakers from Boss Audio 4x10-inch CH4330 speakers each have a max power handling of 400 watts and RMS power of 200 watts CH4330 speakers feature a 1" high-temperature aluminum voice coil, a poly injected cone with foam surround and a stamped steel basket 4x6-inch CH4620 speakers each have a max power handling of 200 watts and RMS power of 100 watts CH4620 speakers features a red poly injected, 1 inch cone, with foam surrounding and a 1-inch, High-Temperature, Aluminum Voice coil