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Howling Moto

Cardo HJC 4X Helmet Communication System

Cardo HJC 4X Helmet Communication System

$299.95 USD
$299.95 USD
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Shipping calculated at checkout.

In stock

Shipping & returns

Shipping is calculated at checkout by size and destination. Most in-stock gear ships within a few business days; large freight items (campers, racks, bumpers) are made to order. Wrong fitment? Send it back within 30 days — we'll help you find the part that does fit.

Fitment & build help

Not sure if this fits your platform? Tell us your year, make, model, and trim — we'll confirm before you order. For bigger builds, we'll help you plan the full stack.

Warranty

Every product on this site ships through authorized channels with full manufacturer warranty. If something breaks in normal use, we'll help you get it resolved.

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Cardo HJC 4X Helmet Communication System

The Cardo HJC 4X is a purpose-built, integrated communication system designed exclusively for select HJC helmet models. It installs flush into compatible helmets for a clean, low-profile fit — no bulky external hardware. Whether you're commuting or canyon carving, the HJC 4X keeps you connected with reliable Bluetooth intercom, premium JBL audio, and smart features that adapt to your ride.

Key Features

  • LIVE Intercom: Bluetooth communication for 2 riders up to 0.5 miles with automatic reconnect
  • JBL 40mm Speakers: Rich, high-definition sound with tuned audio profiles for music and calls
  • Automatic Volume Adjustment: Adapts to ambient noise levels so audio stays balanced at any speed
  • Fast Charging: 20 minutes of charge delivers up to 2 hours of talk time
  • Over-the-Air Updates: Keep firmware current via the Cardo Connect App
  • Universal Bluetooth Connectivity: Pairs with any headset brand, not just Cardo
  • Music Streaming: Stream directly from your smartphone via Bluetooth
  • Seamless HJC Integration: Engineered for a factory-fit install in compatible HJC helmets

Helmet Compatibility

The Cardo HJC 4X is compatible with the following HJC helmet models:

  • RPHA 91
  • RPHA 91 Carbon
  • RPHA 71
  • RPHA 71 Carbon
  • RPHA 31
  • i71
  • i91
  • F71
  • F31

Specifications

  • Brand: Cardo
  • Model: HJC 4X
  • SKU: UCSF010006
  • Intercom Range: Up to 0.5 miles (2 riders)
  • Speaker Size: 40mm JBL
  • Connectivity: Bluetooth (universal)
  • Charging: Fast charge — 20 min for 2 hrs talk time
  • Updates: Over-the-air via Cardo Connect App

  • Ships from San Diego

    We ship from our San Diego dealer network. Most in-stock gear goes out within a few business days — shipping's calculated at checkout by size and destination.

  • Wrong fitment? We make it right.

    If a part doesn't fit your platform the way it should, send it back. We handle the return and find you the part that does.

  • Authorized dealer support

    Every product moves through proper channels. Full manufacturer warranty, real tech support — no gray-market headaches.