This is a replacement left and right speaker assembly for Predator Helios 300 PH315-53 PH315-54 N20C3 Gaming Laptop series, and fix issues with sound output, Simply plugs into the motherboard, repair distorted sound or issues relating to having NO sound! Compatible Part Number(s): PK230011S00, 23.Q7KN2.003 (Left side) PK230011T00, 23.Q7KN2.004 (Right side) Connector type: 4-wire 4-pins, Wire-to-Board, 4 Ohm /2W Condition: Open box, Brand NEW and GENUINE from OEM Factory that has never been used, NOT a PULLED parts. Reference Compatible with Laptop models: ✔ Predator Helios 300 PH315-53 series: PH315-53-72XD, PH315-53-781R, PH315-53-71HN, PH315-53-751Z, PH315-53-70QE ... ✔ Predator Helios 300 PH315-54 series: PH315-54-760S, PH315-54-74FG, PH315-54-748Y, PH315-54-714U, H315-54-70BF ... ✔ Nitro 5 AN515-55 series: AN515-55-59KS, AN515-55-55M1, AN515-55-54Q0, AN515-55-50VC, AN515-55-77UK, AN515-55-50J3, AN515-55-55M1 ... ✔ Nitro 5 AN515-56 series: AN515-56FC, AN515-56-763W, AN515-56-71HB, AN515-56-5603, AN515-56-72GU, AN515-56-50QU ... ✔ Nitro 5 AN515-57 series: AN515-57-536Q, AN515-57-52QS, AN515-57-584E, AN515-57-71SF, AN515-57-79TD, AN515-57-5666, AN515-57-53SB ... ✔ Nitro 5 AN515-45 series: AN515-45-R1JH, AN515-45-R7XX, AN515-45-R5AF, AN515-45-R0J0, AN515-45-R61J, AN515-45-R5Q9, AN515-45-R5RJ, AN515-45-R7QR ... ✔ Nitro 5 AN515-44 series: AN515-44-R99Q, AN515-44-R7ZU, AN515-44-R28F, AN515-44-R9TP, AN515-44-R74P, AN515-44-R70B ... ✔ Nitro 5 AN715-52 series: AN715-52-713E, AN715-52-715S, AN715-52-78D5, AN715-52-77XU ... ✔ Predator Triton 300 PT315-52 series: PT315-52-73WT, PT315-52-75WQ, PT315-52-78W1 ... ✔ Predator Triton 300 PT315-53 series: PT315-53-7691, PT315-53-70RT, PT315-53-75XX ...