CFMK200 BMW.1S - Pregnant Helix - Free user manual and instructions
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| Product type | Car audio component speaker |
| Brand | Helix |
| Model | CFMK200 BMW.1S |
| Woofer size | 6.5 inches (165 mm) |
| Tweeter size | 1 inch (25 mm) textile dome |
| Impedance | 4 ohms |
| RMS power handling | 100 Watts |
| Peak power handling | 200 Watts |
| Sensitivity | 90 dB @ 2.83V/1m |
| Frequency response | 45 Hz – 25 kHz |
| Mounting depth (woofer) | 65 mm |
| Mounting diameter (woofer) | 145 mm |
| Vehicle specific | Designed for BMW 1 Series (F20/F21) direct fit |
| Included accessories | Grilles, mounting brackets, wiring harness, screws |
| Frequency range | Full-range system with external crossover (not included) |
| Recommended amplifier power | 50 – 150 Watts RMS per channel |
| Material | Polypropylene cone, rubber surround |
| Installation | Plug-and-play with BMW factory speaker connectors |
| Compliance | CE, RoHS |
| Warranty | 2 years (depending on region) |
Frequently Asked Questions - CFMK200 BMW.1S Helix
Is the Helix CFMK200 BMW.1S plug-and-play?
Yes, this speaker is designed specifically for BMW 1 Series (F20/F21) and comes with direct-fit adapters and connectors for simple installation.
What is the impedance of these speakers?
The impedance is 4 ohms, compatible with most factory and aftermarket car amplifiers.
Can I install these without an amplifier?
Yes, they work with factory head units but performance is significantly improved with an external amplifier.
Do I need a separate crossover?
A crossover is not included in the package. You may need to purchase an external passive or active crossover for optimal sound staging.
What is the mounting depth?
The mounting depth is 65 mm for the woofer, allowing fitment in most BMW door panels without modifications.
Are the tweeters surface mount or flush?
The tweeters can be surface mounted or flush mounted using the included brackets and pods.
How much power can these speakers handle?
They handle 100 Watts RMS and 200 Watts peak, suitable for moderate to high power systems.
What is the sensitivity rating?
Sensitivity is 90 dB @ 2.83V/1m, meaning they produce decent output with low power.
Do they fit other BMW models?
While designed for the 1 Series, they may fit other BMW models with similar speaker sizes, but custom adapters might be required.
What tools are needed for installation?
Basic tools: screwdriver, trim removal tools, wire strippers, and optionally a multimeter for polarity.
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