ITEM NAME:2x 6.5inch Speaker loudspeaker Vibrating Membrane Passive Bass Diaphragm Description: Speaker-Diameter Unit of Measure: 160mm Bass strengthening agent,to strengthen the bass, easy to design and debug. To strengthen the bass vibrator diaphragm;Each speaker after an appropriate bass. Diaphragm cell, tone is more outstanding, low price, big enjoy, bring you a strong bass. Use:Speaker,Woofer, Loudspeaker, bass vibrating. Specification: Material: Rubber Package Includes: 2Pieces 160mm 6.5'' loudspeaker Vibrating Membrane.To strengthen the bass vibrator diaphragm;Each speaker after an appropriate bass. Diaphragm cell, tone is more outstanding, low price, big enjoy, bring you a strong bass. Bass strengthening agent,to strengthen the bass, easy to design and debug.