Specifications Model K 808APR built in bluetooth bluetooth version bluetooth 5 0 Applicable models UniversalAppearance material leather PVCShell material wooden density boardVoltage 12VMaximum power 600WImpedance 4ΩSpeaker unit size 210mm 8 inchSensitivity 90DBFrequency response range 20HZ 25KHZDistortion 0 01 Size 350x255x73mm 13 8x10x2 9inchWeight 5kgFeatures 8 inch woofer speaker 73mm Slim fuselage installed under the seat the effect is better Built in bluetooth 5 0 for easy wireless connection to play music Has a professional single channel power amplifier template including bass filter bass enhancement high frequency power controller and other high end functions Wooden MDF body to minimize vibration caused by noise to ensure that in a long time high load performance in the environment stable and reliable Design of high temperature resistant coil ensure the heat dissipation and avoid the sound box burning note no remote control by wire function now Note 1 Please allow 0 5 1cm differences due to manual measurement 2 Due to the light and screen difference the item s color may be slightly different from the pictures Package included 1 x Active subwoofer1 x Positive power cord red 1 x Negative iron cable black 1 x Audio cable blue 1 x Control cable yellow 1 x user manual