Helix Compose i7 Ci7 W130-S3 Midbass 5.25 Inch 13cm Speakers 120w RMS
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The Helix Ci7 W130-S3 is a pair of 5.25 inch (130 mm) midbass drivers rated at 120W RMS, from the Helix Compose i7 series. Made in Germany, they feature a 3 ohm impedance and Ultra High Damping (UHD) paper cone, designed for high-end active or passive component systems.
These drivers have no crossover of their own: pair them with the Ci7 T20FM-SC tweeter and either a DSP or the Ci7 FX-UNI.2 Flex-Crossover. For a 6.5 inch fitting, see the Ci7 W165FM-S3.
Key specifications
- Size: 5.25 inch / 130 mm midbass
- Power handling: 120W RMS, 180W max
- Impedance: 3 ohm
- Frequency response: 70 Hz – 4,000 Hz
- Sensitivity: 92 dB @ 2.83V / 1m, 88 dB @ 1W / 1m
- Cone: Ultra High Damping (UHD) crafted paper
- Installation diameter: 116.5 mm
- Installation depth: 58.5 mm
- Made in Germany
Developed Inside the Vehicle
COMPOSE is HELIX's answer to modern car design. Developed inside the vehicle, for the vehicle, it combines universal-fit speakers with the benefits of vehicle-specific systems.
3 Ohm Efficiency
The 3 ohm design raises efficiency and maximum sound pressure. Impedances are matched to HELIX and MATCH amplifiers, ensuring full performance from any compatible pairing.
Made in Germany
Drawing on expertise from HELIX's high-end sister brand BRAX, the i7 series is manufactured entirely in Germany and tuned for uncompromising audio performance. Ultra High Damping (UHD) crafted paper cone technology is central to that result.
Explore the full range in Helix Compose i7.
Specification
| Power handling | RMS / Max. P 120 / 180 Watts |
|---|---|
| Impedance | Z 3 Ω |
| Frequency response | 70 Hz - 4,000 Hz |
| Sensitivity | SPL 92 dB @ 2.83 V / 1m 88 dB @ 1W / 1m |
| Cone | area Sd 85 cm² |
| Cone | material Ultra high damping (UHD) crafted paper cone |
| Voice coil | diameter ø 25 mm |
| Voice coil | winding height 12.8 mm |
More specs
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What's Included
- 2 x Ci7 W130-S3
- 2 x Connection cable
- 2 x Mounting material
Helix
About the Helix CI21501
From our tech experts at CEN
The Helix Ci7 W130-S3 is a pair of 5.25 inch (130 mm) midbass drivers from the Compose i7 series, made in Germany. They are rated at 120 W RMS and 180 W maximum at 3 ohms, with Ultra High Damping paper cones and a 70 Hz to 4 kHz response.
Who it suits
Cars with 5.25 inch door or kick-panel locations where a 6.5 inch driver will not fit, as part of an i7 front stage. They need a 116.5 mm cut-out and 58.5 mm of depth. Pair them with the Ci7 T20FM-SC tweeter, and choose the Ci7 W165FM-S3 if your doors take 6.5 inch.
Our tech experts advise
They have no crossover of their own, so run them from a DSP channel or the Ci7 FX-UNI.2 Flex-Crossover. Door sealing and deadening improve midbass noticeably. Get in touch with your make, model and year and we will confirm what fits.
Explore the full Helix range at CEN, with fast UK dispatch and expert advice from our Nottingham team. Shop all Helix
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Frequently Asked Questions
Q: Will these speakers fit my car?
A: Most car speakers are standard sizes, but mounting depth and fitting rings vary by vehicle. Check the size in the Specification tab against your vehicle, or contact CEN with your registration and we will confirm fitment and any adapters or fitting kits you need.
Q: Do I need an amplifier to run these speakers?
A: Not always. Most speakers will run from a standard head unit, but a dedicated amplifier lets them perform at their best, particularly for component sets and higher power handling models. The RMS figure in the Specification tab is the guide to how much clean power they can use.
Q: What is the difference between coaxial and component speakers?
A: Coaxial speakers combine the tweeter and woofer in one unit for a simple like-for-like upgrade. Component sets separate the tweeter and woofer with a crossover for better imaging and detail, and suit installs where sound quality is the priority.
Q: Do these come as a pair?
A: Unless stated otherwise, car speakers are sold in pairs. Check the product title and What's Included tab, which lists exactly what is in the box.
Q: Can CEN fit these speakers for me?
A: Yes. CEN offers professional installation from our Nottingham premises. Contact us to book an installation slot or ask for a fitting quote.
Q: What is the installation depth of the Ci7 W130-S3?
A: The installation depth is 58.5 mm and the installation diameter is 116.5 mm, with an outer diameter of 130 mm.
Q: Is the Ci7 W130-S3 a midrange or a midbass?
A: HELIX classes the Ci7 W130-S3 as a 5.25 inch midbass with a frequency response of 70 Hz to 4,000 Hz. It is normally paired with a tweeter such as the Ci7 T20FM-SC.
Q: What impedance is the Ci7 W130-S3?
A: It is a 3 ohm driver. HELIX uses 3 ohm technology to get more power out of the amplifier.
