Sena SF4, communication system

Rider to Passenger or Small Group Communication

For riders looking to communicate with their passenger, the SF2 provides simple Rider to Passenger 2-way intercom communication up to 800 m (880 yards) in open terrain. For those who ride in small groups, the SF4 is equipped with 4-way intercom over 1.2 kilometers (0.8 miles). Both models let riders enjoy smartphone connectivity. Riders can listen to music and use the intercom simultaneously using the Audio Overlay™ feature. Please note that Audio Overlay works best with Android devices, while iOS offers limited functionality.

General

• Talk time: 13 hours
  • Operating temperature: -10?C ~ 55?C (14°F ~ 131°F)
• Dimensions:
  • Speaker: driver unit 38 mm – thickness 10 mm
  • Wired Boom microphone: length 183 mm
  • Wire between speakers: length 590 mm
• Weight:
  • Module: 35 g (1.23 oz)

Bluetooth

• Bluetooth 4.1
• Headset Profile (HSP)
• Hands-Free Profile (HFP)
• Advanced Audio Distribution Profile (A2DP)
• Audio Video Remote Control Profile (AVRCP)

Intercom

• Working distance:
• SF4 - up to 1.2 km (0.8 miles) in open terrain
• SF2 - up to 800 m (880 yards) in open terrain

Audio

• Advanced Noise Control™
• Built-in SBC Codec
  • Wide volume control
  • Sample rate: max. 48 kHz (DAC)

Battery

• Charging time: 1.5 hours
• Quick Charge: 30 minutes of charging equals 4 hours intercom
• Type: Lithium polymer

Certificates

• FCC, IC

Communication devices in comparison