4 Inch 4 Ohm 100w Subwoofer Speaker | 8 Inch Subwoofer Speaker 6 Ohms - 1pcs 4 Inch - Aliexpress
Precision Power 6.5″ HD14.654 & 5×7″ MAS.572 4-Speaker Replacement for Ultra Limited CVO Boom 2 + Plug & Play Amp for 2014-2020 Harley Davidson® With Factory Radio – Volunteer Audio