Home Home Theater & TV Accessories Amazon Echo Sub 100W 6″ Down-Firing Subwoofer (Pre-Order) $129.99 Home Theater & TV Accessories Amazon Echo Sub 100W 6″ Down-Firing Subwoofer (Pre-Order) $129.99 By ARCOM - 7 October 2018 174 0 SHARE Facebook Twitter Go to the deal page: Amazon Echo Sub 100W 6″ Down-Firing Subwoofer (Pre-Order) $129.99