80137 Hot Saling Features: For mainframes without low frequency (RCA) output (eg cassette player/card machine/CD/VCD/DVD, etc.) converts the speaker high frequency output to low frequency (RCA) output to the car power amplifier or subwoofer. Convert high frequency output to low frequency output, true channel separation. Input sensitivity is adjustable. High frequency to low frequency converter 2-way high to low converter Specifications: Name: Car high to low output Color: Black Material: ABS Maximum input power: 40W Size: 99*65*27mm Quantity:1Pc Note: 1.Transition: 1cm=10mm=0.39inch 2.Please allow 0-3cm error due to manual measurement. pls make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes: (Without retail package) 1 x Car high to low output