Car speaker: SK-92346x9(166x230mm) 3-way coaxial speakerIMPP cone.Butyl rubber edge1 ASV heat resistant voice coil20oz high-energy strontium magnetMax power:250 wattsFrequency response:70-20k HZSPL:92

Subwoofer: SW-A250A10 subwooferDie-cast aluminum frameRed aluminum cone with rubber edgeRubber ring gasket2 4-layer basv voice coil2*50oz high energy strontium magnetMax power:500wattsImpedance: Dual

Subwoofer: SW-250XF10 subwooferDie-cast aluminum frameHigh press PP cone with rubber edge2*40oz high energy strontium magnet2 black aluminum v/coilMax:400wattsImpedance: Dual 4/8ohmFrequency:30-2KHzSP

Boom box: SB-1271G12" passive subwoofer box2*12" subwoofer with non-pressed paper cone with foam edgeMetal frame with 40oz high energy strontium magnet2" 2-layer aluminum voice coilSilv

Boom box: SB-825A8 speaker box with amplifier8 woofer with 340oz magnet1.5 asv aluminum voice coilFrequency:80-180hzAdjustable volume/frequency controlPower on indicatorMetal bar protection for woofer

6*9"(166*230mm) 3-way coaxial speakerMetal red impp cone with butyl rubber edge1" asv heat resistant voice coil66mm midrange0.5" neodymium dome tweeter20oz high energy strontium magnetM

6.5"(165mm) 3-way coaxial speakerSuper rigid metal coated red impp cone, butyl rubber edge1" asv heat resistant voice coil50mm neodymium tweeterSuper piezo tweeter10oz high energy strontium

4"(100mm) 2-way coaxial speakerCompound carbon fiber woven cone with butyl rubber edge1" asv heat resistant voice coil0.5" neodymium dome tweeter8oz high energy strontium magnetMax powe

5.25"(130mm) 2-way coaxial speakerCompound carbon fiber woven cone with butyl rubber edge1" asv heat resistant voice coil0.5" neodymium dome tweeterSuper piezo tweeter8oz high energy st