By changing the under-seat woofer, you can change the sound from cloudy to powerful and sharp!

Ci5 S200FM-D2 is a 200mmPP cone thin flat woofer.
2Ω double voice coil specification, compatible with more car models.

Uses a newly developed polypropylene cone. It also uses a magnetic circuit with a high-efficiency ferrite magnet and a 38mm diameter
voice coil to achieve wideband playback that can also be used as a subwoofer.

The frame is reinforced with a high-tech polymer composite material that provides high rigidity while minimizing resonance.
Furthermore, magnetic flux modulation in the magnetic circuit is eliminated, increasing resistance to thermal effects.

Compatible with COMPOSE FlexMount 200, which is sold separately for each vehicle model, and allows trade-in installation to the original position.
The thin design with an embedded size of 47mm allows trade-in installation to
BMW's under-seat woofer by using the separately sold Flex Mount CFMK200 BMW.1S.