fi btl n3 mb quart

Hi all. Just wanna show you vids of my new daily system. As shown in title we have 12" Fi BTL N3 and MB Quart Discus 2000.1. Sub connected 0,7 ohm. Box about 2.2 cuft tuned 36-39 Hz. Battery 65 Ah noname . They do more than i expect . Feel free to comment ! Watch until the end and use HD...