ITEM NAME:2x 160mm / 6.5inch Lautsprecher Vibrationsmembran Passiv Bass Membranplatte QIX Descriptio n Describe: Material: rubber + iron Colour: Black Size: 160mm*160mm Middle iron plate thickness: 0.8MM Peripheral rubber thickness 1.4MM, 50 degrees Product List: Bass Film*2 Model: 6.5 inch film Number of channels: two channels (stereo) Honesty is gold for all! 2pcs 6.5" inch 160MM Bass diaphragm Vibration film Auxiliary bass Passive film