_x000D_ new and high quality Features: The unit has a built in relay, when your stock stereo sends sound to the speakers, this device converts the speaker signal to RCA jacks for your amplifer and at the same for time, it feeds 12 volts to your turn on of your amplifier that it takes from the power side of the amp. High level speaker signal to low level RCA Adapter Speaker Level to RCA High to Low Adapter Very compact Output level conversion High degree of separation High signal to noise ratio Suitable for hosts without low frequency (RCA) output (for example: cassette player/card player/C-D/VCD/DVD, etc.) to convert the high frequency of the speaker output to low frequency (RCA) output, which is used to connect the car power amplifier or subwoofer signal enter. specification: Color:AS showns Material:plastic Size:55*35*30mm Quantity:1pc Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 1x High Level Speaker Signal to Low Level RCA Adapter _x000D_ new and high quality Features: The unit has a built in relay, when your stock stereo sends sound to the speakers, this device converts the speaker signal to RCA jacks for your amplifer and at the same for time, it feeds 12 volts to your turn on of your amplifier that it takes from the power side of the amp. High level speaker signal to low level RCA Adapter Speaker Level to RCA High to Low Adapter Very compact Output level conversion High degree of separation High signal to noise ratio Suitable for hosts without low frequency (RCA) output (for example: cassette player/card player/C-D/VCD/DVD, etc.) to convert the high frequency of the speaker output to low frequency (RCA) output, which is used to connect the car power amplifier or subwoofer signal enter. specification: Color:AS showns Material:plastic Size:55*35*30mm Quantity:1pc Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 1x High Level Speaker Signal to Low Level RCA Adapter _x000D_