Total Harmonic Distortion: 0.05%. Crossover Frequency: 50Hz - 250Hz. Package Dimensions: 16.5 x 8.5 x 3 inches. 12.5 x 7.4 x 2.2 inches. The item "Blaupunkt AMP4000D 4000W Max 1-CH Monoblock Class D Stereo Car Audio Amplifier" is in sale since Wednesday, January 27, 2021.This item is in the category "Consumer Electronics\Vehicle Electronics & GPS\Car Audio\Car Amplifiers". The seller is "discountsjungle" and is located in Los Angeles, California. This item can be shipped to United States.