1ks of 3" Inch 25w Hifi Subwoofer Speaker 4 / 8 Ohm 1ks of 3" Inch 25w Hifi Subwoofer Speaker 4 / 8 Ohm 1ks of 3" Inch 25w Hifi Subwoofer Speaker 4 / 8 Ohm 1ks