IMSA S9 Helmet Kit — Built & Tested | Coil Cord, Ear Bud Jack
Pickup available at 1756 EASTMAN AVE, STE #111
Usually ready in 24 hours
Delivery and Shipping
Delivery and Shipping
Free ground shipping on orders over $200. Orders under $200 ship ground for a flat $14 — we choose the best ground carrier.
Cutoff is 2PM PCT for same-day shipping.
Need it faster? Choose Next Day Air ($85), 2 Day Air ($45) or 3 Day Select ($25) at checkout — FedEx or USPS. Call (805) 650-7223 if you need UPS.
International orders: contact us at (805) 650-7223 or sales@sampsonracing.com for a shipping quote including duties and taxes.
IMSA S9 Helmet Kit — Built & Tested | Coil Cord, Ear Bud Jack
Description
Description
IMSA S9 Helmet Kit on a coil cord — quick in and out of the car. The same four-circuit road racing kit, with a cord that stretches when you move and pulls back tight when you don't, so there is no slack on the floor. Ultra noise-canceling, high-gain S9 flex boom mic.
What comes in your order
- Ultra noise-canceling high-gain S9 microphone — on a flex boom, with foam muff cover
- Coil cord — quick, easy connections with no slack on the floor
- 3.5mm (1/8") ear bud jack — plug in your own buds
- Standard IMSA four-circuit connection
- Mounting hardware and instructions
- Ear buds or helmet speakers — only if you choose them below
Choose your ear buds
The kit is $149 on its own. Pick an upgrade and the price is added:
- No ear buds — run the kit as-is with your own buds, or add buds later
- Helmet Speakers — add $35 (speakers in the helmet instead of ear buds)
- Pro Challenger II ear buds (Made in the USA) — add $97
- Semi Custom ear buds (Made in the USA) — add $159
- Custom Ear Buds (Made in the USA) — add $224
Buds and speakers you choose here come wired into the kit.
Fitment
- Helmets: open or closed face
- IMSA four-circuit — the standard for road racing and intercom systems
- NASCAR (three-circuit) car harness? Order a NASCAR helmet kit instead
Specifications
- Microphone: S9 ultra noise-canceling, high gain, flex boom, foam muff cover
- Connection: IMSA four-circuit
- Cord: coil
- Ear bud jack: 3.5mm (1/8")
- Helmets: open or closed face
Other versions of this kit
- Straight cord, lower price: Straight Cord, Ear Bud Jack
- Speakers in the helmet: Straight Cord, Helmet Speakers
- Speakers and a bud jack: Straight Cord, Speakers + Ear Bud Jack
Watch it in action
- How to install a racing helmet mic & speakers — step-by-step install in a helmet
- S9 Digital mic vs M101 — side-by-side comparison — hear the difference in a loud car
- S9 Digital vs M101 size comparison — see how small the S9 is
More install and how-to videos on our SRC YouTube channel.
Why racers buy from SRC
- Trusted by racers for over 35 years
- U.S.-based technical support from people who actually race
- Manufacturer warranty backed by SRC support
- Fast shipping throughout the U.S. and Canada
Questions? Call (805) 650-7223 or email sales@sampsonracing.com and we will make sure it fits your helmet, car harness and radio before it ships.
Rather build it yourself? The same S9 mic and full flex boom in a plug-together kit — coil cord with a 3.5mm ear bud jack is $115, or $34 less than this one. No soldering, instructions included.
→ DIY Plug-Together Helmet Kit
Payment & Security
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