- Price: Both the ST1 and Rt1 have the exact same price.
- Connectivity: Both use Sena's mesh technology so it's 1 click to connect to a group.
- Smartphone pairing: Both the intercoms can pair to a smartphone via bluetooth.
- Working Distance: The ST1 & RT1 both work up to 2 km (1.2 miles) away.
- Noise Cancellation: Both have the same noise cancellation you love from Sena.
- Speakers: Both use premium HD speakers for a crisp sound.
As you're gathering, more is similar between the Sena ST1 and RT1 than is different when it comes to primary features. Now, check out the differences:
- The RT1 has a 3 button interface while the ST1 has a jog dial interface (wheel).
- Dimensions: The RT1 is thicker, with the dimensions of 97 mm x 48 mm x 27mm (3.8 in x 1.8 in x 1.0 in). The ST1 is thinner with the dimensions of 86 mm x 52 mm x 27.5mm (3.39 in x 2.05 in x 1 in).
- Weight: The ST1 is lighter than the RT1. The main module weight of the RT1 is 65 g (2.29 oz), while the ST1 is 60 g (2.12 oz).
- Talk Time: The Sena ST1 has a talk time of up to 11 hours whereas the Sena RT1 has a talk time of up to 11.5 hours.
So what do we think? Realistically it comes down to if you want the jog dial in the Sena ST1 or the 3 button interface of the RT1. Both work well with gloves, so go with what you've had in the past. No matter which one you decide on you can ride happy knowing you've got an awesome Sena motorcycle intercom!