Precision Crossover Engineering Built for the HELIX COMPOSE i3 System Product Overview The Helix COMPOSE Ci3 FX-MINI.2 is a compact 2-way inline crossover designed specifically to pair with the HELIX COMPOSE i3 midrange driver (Ci3 M100FM-S3) and i3 tweeter (Ci3 T20FM-TI). Sold as a pair, it's the final link in a complete COMPOSE i3 speaker build delivering clean frequency splitting and protected tweeter operation straight out of the box. Built around the HELIX COMPOSE philosophy of vehicle-specific engineering in a universal form factor, the FX-MINI.2 integrates cleanly into tight factory cavities. Its FlexConnect midrange plug and plug & play tweeter connector eliminate guesswork at installation, while flying leads on the signal input side give you the flexibility to tap into virtually any vehicle wiring harness without adapters. Key Specifications Crossover type: 2-way inline passive crossover Tweeter slope: 12 dB/octave Signal input cable: Flying leads 400 mm (15.75 in) length Midrange output connector: FlexConnect 300 mm (11.81 in) cable length Tweeter output connector: Plug & Play 300 mm (11.81 in) cable length Tweeter protection: Integrated Scope of delivery: 2 x inline crossover (pair) Compatible midrange: Helix COMPOSE Ci3 M100FM-S3 Compatible tweeter: Helix COMPOSE Ci3 T20FM-TI Features & Benefits 12 dB/octave tweeter slope — Provides a firm high-pass roll-off that protects the tweeter from damaging low-frequency content, resulting in cleaner highs and longer driver life in high-output installs. Integrated tweeter protection circuit — Safeguards your tweeter investment during transients and system clipping events particularly important in Australian touring setups where amplifiers run harder for longer. FlexConnect midrange connector — A proprietary automotive-grade connector that locks positively to the Ci3 M100FM-S3 midrange, eliminating loose terminals from corrugations and vibration. Plug & Play tweeter connector — Simple, fool-proof connection to the Ci3 T20FM-TI tweeter. No soldering, no guesswork correct polarity every time. Flying leads signal input (400 mm) — Extra cable length at the source end gives installers genuine routing flexibility inside doors, A-pillars, and kick panels without extension splices. Extremely compact dimensions — Designed to tuck away in tight factory speaker cavities and behind trim panels where space is at a premium in modern vehicles. Sold as a pair — Both crossovers included in one box ready to run a complete stereo COMPOSE i3 component set. Technical Specs Crossover type: 2-way passive inline Tweeter filter slope: 12 dB/octave Signal input connection: Flying leads Signal input cable length: 400 mm Midrange output: FlexConnect connector, 300 mm cable Tweeter output: Plug & Play connector, 300 mm cable Tweeter protection: Yes integrated Quantity per pack: 2 (pair) Compatible With Confirmed Compatible: Helix COMPOSE Ci3 T20FM-TI (tweeter) Helix COMPOSE Ci3 M100FM-S3 (midrange) Recommended System Pairing: Full Helix COMPOSE i3 component speaker kit Any vehicle with sufficient door/kick panel cavity depth for inline crossover mounting ⚠️ Fitment note: This crossover is engineered specifically for the HELIX COMPOSE i3 driver pairing. Compatibility with non-COMPOSE or non-i3 series drivers is not confirmed — consult your installer before substituting components. Frequently Asked Questions What speakers is the Ci3 FX-MINI.2 designed to work with? This crossover is purpose-built for the Helix COMPOSE Ci3 M100FM-S3 midrange and Ci3 T20FM-TI tweeter. It is not confirmed compatible with other drivers outside the COMPOSE i3 series. Does the crossover include tweeter protection? Yes. An integrated tweeter protection circuit is built into the FX-MINI.2, guarding your tweeter against damaging transients and low-frequency content without any additional components. How does it connect to my vehicle's wiring? The signal input side uses flying leads on a 400 mm cable, which can be spliced or connected directly to your vehicle's speaker wiring harness — no proprietary vehicle-side adapter required. Is this sold as a single unit or a pair? The Ci3 FX-MINI.2 is sold as a pair — two inline crossovers are included in every pack, covering both left and right channels of a stereo speaker installation. Can I install this myself or do I need a professional? The plug & play tweeter connector and FlexConnect midrange connector make installation straightforward, but routing cables behind trim panels and into door cavities is best handled by an experienced car audio installer to ensure a clean, reliable result.
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