Helix Ci3 FX-UNI.2 – Universal 2-Way Performance Crossover for COMPOSE i3
The Ci3 FX-UNI.2 is the passive crossover for the HELIX COMPOSE i3 speaker line, intended for professional, vehicle-integrated installations. A six-step tweeter level control adapts the treble to the mounting position, and integrated protection safeguards the tweeter.
The compact housing fits tight installation spaces. Wiring uses the plug-in COMPOSE Connect system, and optional car-specific WireKits connect the crossover to the original vehicle harness without modifications.
Key Features
- Tweeter level: 6-step adjustment, range -5 dB to +2 dB
- Tweeter protection: integrated
- Slope: 12 dB highpass for the tweeter
- COMPOSE Connect: automotive-grade plug-in connectors that prevent polarity reversal
- Compact size: suits tight installation spaces
- WireKit ready: compatible with optional car-specific WireKits for non-destructive integration
Compatibility
- Tweeter: Ci3 T20FM-TI
- Midrange / midbass / woofers: Ci3 M100FM-S3, Ci3 W130-S3, Ci3 W165FM-S3, Ci3 W165FM-S2, Ci3 W200FM-S3, Ci3 W200FM-S2
Installation Notes
- Connection to the factory harness is done with the optional car-specific WireKits.
Technical Specifications
| Slope | 12 dB highpass for tweeter |
| Tweeter level adjustment range | -5 dB up to +2 dB |
Scope of Delivery
2 x Ci3 FX UNI.2
2 x COMPOSE Connect Kit












