package included 1 x active subwoofer 1 x drive-by-wire 1 x Power cord 1 x grounding OFC wire 1 x Audio line 1 x Control line 1 x Subwoofer high level input line 1 x Installation package 1 x user manual Ultra thin cast aluminum fuselage subwoofer gives you a different feeling of shock Features 1.Fully functional and easy to debug 2.68 mm Slim fuselage, installed under the seat, the effect is better, 3.10 inch woofer speaker 4.Design of high temperature resistant coil 5.Black paint stainless steel mesh, no rust, no deformation Description 1.model: K-1003APR 2.Color:black 3.Max output power: 600w / RMS:180W 4.Normal impedance:4Ω 5.Voltage: 12V 6.Frequency range: 20-500Hz 7.SNR: >90db 8.THD: <0.4% 9.High level input sensitivity: 0.9v 10.Low level input sensitivity: 300mV 11.low pass filter:50-150Hz 12.bass boost: 0to+12db 13.Subsonic filter: 20Hz 14.Load: 40hm 15.Fuse rating: 25A 16.Subwoofer: 8”10”inch.4ohm 17.Dimensions: 345x260x68mm