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18″ Subwoofer, 24 Hz, 7000 W, 88 dB, 1 Ω ... Similar subwoofers to Fi Car Audio BTL4 18 D1. Fi Car Audio SP418 v2.1 D1 2 x 1 ...
The BTL4-Ferrite is the latest in the progression of Fi subwoofers geared towards thundering daily drivers. Utilizing a favorite 3 stack ferrite magnet design using US steel cut on our water jet and finish machined on our CNCs, there is plenty of motor force in the FEA derived design for both daily and SPL use.
Explore FI Car Audio for high-performance subwoofers made in the USA, designed to deliver exceptional sound quality and durability. Discover our expertly handcrafted products, perfect for audiophiles and car enthusiasts alike. Upgrade your in-car audio experience with FI Car Audio today!
7 mar 2007 · I got my first BTL 18 about 5 months ago, fully loaded dual 2 ohm version. It was the fist 18 Id purchased or even heard in person, so I was a bit skeptical because of the mixed things people say about larger drivers as far as quality go.The last two setups I had owned were a kicker L7 15 in 5cub...
21 kwi 2007 · BTL - SPL 2000watts (can handle a lot more with the proper features added) Enclosure recommendations and options explained. BL - SPL/SQ 1000watts (can handle more with the proper features added) Enclosure recommendations. Q-SQ 1000watts. Enclosure recommendations and options. SSD - ENTRY LEVEL 800watts. Enclsoure recommendations and options
18″ Subwoofer, 25 Hz, 7000 W, 88 dB, 2 Ω ... Similar subwoofers to Fi Car Audio BTL4 18 D2. Fi Car Audio SP418 v2.1 D2 2 x 2 ...
18″ Subwoofer, 32 Hz, 5000 W, 92 dB, 2 Ω. Sensitivity (1W, 1m, infinite baffle) SPL 1W 92.3 dB Thiele & Small parameters