Amazon P5B83L 100W Echo Sub - Carbone - 3 PK - USATO
Echo Sub must be paired with a compatible Echo device. Echo Sub is optimized forEcho Studio ,Echo Dot 4th Gen ,Echo Dot 3rd Gen ,Echo 4th Gen ,Echo 3rd Gen ,Echo 2nd Gen ,Echo Show 10 3rd Gen, andEcho Plus 2nd Gen.