Sena CAST Hard Hat Mount Earmuff with Long-Range Mesh Communication
Sena CAST Hard Hat Mount Earmuff with Long-Range Mesh Communication $599.00
  • Sena CAST Hard Hat Mount Earmuff with Mesh Intercom – front view
  • Sena CAST Hard Hat Mount headset with boom microphone - imagen 2
  • Sena CAST Hard Hat Mount industrial communication headset – side view - imagen 3
  • Sena CAST product connection guide – compatible devices - imagen 4

Sena CAST Hard Hat Mount Earmuff with Long-Range Mesh Communication

Sena |
SKU: CAST-02
$599.00
  • Long-Range Mesh Intercom: Open Mesh up to 1.1 km, extendable to 4.4 km with 6 or more users.
  • Hearing Protection: NRR 23 dB / SNR 30 dB for hard hat mount configuration in noisy industrial environments.
  • Quick Charge: 20 minutes of charging provides up to 3 hours of Mesh Intercom use. Full charge in 2.5 hours.
  • Hard Hat Compatible: Designed to attach directly to industrial safety helmets for use in construction and manufacturing.
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Sena CAST Hard Hat Mount Earmuff with Long-Range Mesh Communication
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Sena +Mesh Bluetooth® to Mesh Intercom Adapter
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+
Sena CAST Over-the-Head Earmuff with Long-Range Mesh Communication
Incl. VAT
+
Sena MeshPort Blue Bluetooth® to Mesh Intercom Adapter
Incl. VAT
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CAST Hard Hat Mount Earmuff with Long-Range Mesh Communication

The CAST is a professional over-the-head earmuff communication headset that combines hearing protection with long-range Mesh communication technology. Designed for industrial environments, construction sites, warehouses, and other high-noise workplaces, it enables seamless hands-free communication while helping to maintain worker safety and productivity.

Built on Sena's Mesh-only communication platform, the CAST continuously optimizes network connections and automatically reconnects users when they return within range. Open Mesh allows a large number of users to communicate over distances of up to 1.1 km (0.7 miles), while Group Mesh supports private communication sessions for up to 24 participants.

The headset also features external speakers that capture ambient sounds, helping workers remain aware of their surroundings in busy or high-traffic environments. Combined with hearing protection, long battery life, and intuitive controls, the CAST is designed for demanding workdays.

Product Features:

  • Professional over-the-head earmuff communication headset
  • Built on Sena Mesh-only communication technology
  • Open Mesh communication with effective range up to 1.1 km (0.7 miles)
  • Group Mesh supports private communication for up to 24 users
  • Automatic network optimization and reconnection
  • Full-duplex hands-free communication
  • Integrated hearing protection for noisy workplaces
  • Noise Reduction Rating (NRR) of 28 dB for earmuff version
  • Ambient sound capture through external speakers
  • User-friendly three-button control layout
  • Up to 12 hours talk time on Mesh communication
  • Removable lithium polymer battery
  • USB-C charging with approximately 2.5-hour charge time
  • Can also operate using 3 x AAA batteries
  • Suitable for construction, manufacturing, logistics, and industrial environments

What is included:

  • Headset main units (Hat adapters (type A) attached)
  • Microphone
  • Rubber Rings for Microphone Sponge
  • Microphone Sponges
  • Hard Hat Adapters (Type B)
  • USB Power & Data cable (USB Type C)
  • Rechargeable Battery
  • Dual Battery Charger

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Frequently Asked Questions

What is the difference between the CAST Over-the-Head and Hard Hat Mount versions?
The Hard Hat Mount version attaches to industrial safety helmets and has an NRR of 23 dB. The Over-the-Head version is worn independently and offers a higher NRR of 28 dB. Both versions share the same Mesh Intercom range and battery specifications.
What is the communication range of the Sena CAST Hard Hat Mount?
The CAST reaches up to 1.1 km (0.7 mi) in open terrain via Open Mesh. With 6 or more users on the network, the range extends to up to 4.4 km (2.8 mi).
How long does the Sena CAST battery last?
The CAST offers up to 12 hours talk time. Quick charge provides up to 3 hours of use from just 20 minutes of charging. The headset can also run on 3 x AAA batteries as an alternative.
Can the Sena CAST Hard Hat Mount connect to a two-way radio?
Yes. The CAST supports wired and wireless connection to two-way radios via a dedicated PTT port and Bluetooth pairing. A two-way radio cable is sold separately.

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