Sena
Sena SMART HJC 21B
Item # 0721-1350-00
$219.99
In stock, ready to ship
The Sena SMART HJC 21B is a Bluetooth 5.1 communication system co-developed with HJC and built directly into select RPHA-series helmets, so riders get intercom, phone, and audio without any external clamp-on module. Compatible helmets include the RPHA 71, RPHA 91, RPHA 31, and i71.
- Bluetooth 5.1 wireless standard
- 4-way universal intercom with a maximum range of 1,600 m, compatible with non-Sena headsets
- Up to 13 hours of battery life per charge
- Advanced Noise Control for clearer audio during intercom conversations
- HD Speaker for enhanced sound quality
- Audio Multi Tasking allows simultaneous audio from two sources
Spec: Model: 21B · Bluetooth Version: 5.1 · Intercom Capacity: 4-way · Intercom Range: 1.6 km · Compatible Helmets: RPHA 71, RPHA 91, RPHA 31, i71
Specifications
| Bluetooth | 5.1 |
|---|---|
| Communication | Bluetooth Intercom |
| Intercom Range | Up to 1.6 km in open terrain |
| Riders | Up to 4 |
| Battery | Up to 13 hours |
| Helmet Fit | HJC RPHA 71, RPHA 91, RPHA 31, i71 |
- Bluetooth 5.1 with improved efficiency over prior generation
- 4-way intercom up to 1.6 km
- 13-hour battery life
- HD speakers for enhanced audio quality
- Advanced Noise Control
- Audio multitasking and voice prompts
- Smartphone app control for settings and customization