1 / 3Spektrum AR631+ 6-Channel AS3X+ & SAFE Receiver, SPM-1031
SPM-1031: Spektrum AR631+ is a six-channel RC aircraft receiver with AS3X+ stabilisation and SAFE flight-envelope protection. Its setup features and telemetry depend on compatible Spektrum equipment, so check your transmitter and ESC before buying.
At a glance
- AS3X+ stabilisation and SAFE protection are built in, with setup available through forward programming from a Spektrum transmitter.
- The 230mm antenna is described as allowing more installation options in tight spaces.
- A bind button removes the need for a bind plug, according to the listing.
- Smart telemetry requires a compatible Smart ESC and a Spektrum DSMX transmitter with telemetry. The listing says a transmitter update may be required.
Often bought together
Pros and cons
Pros
- Combines AS3X+ stabilisation and SAFE flight-envelope protection in a six-channel receiver.
- Supports DSMX and is described as backwards compatible with DSM2.
- The bind button is designed to simplify binding without a separate bind plug.
Technical specifications
11 specifications| Brand | Horizon Hobby |
|---|---|
| Model | AR631 |
| Channels | 6 Channel |
| Stabilisation and flight protection | AS3X+ Stabilization System, SAFE Flight Envelope Protection |
|---|---|
| Radio protocol | DSMX protocol receiver with DSM2 backwards compatibility |
| Antenna | 230mm |
| Telemetry feature claim | Ready to use with Spektrum Smart ESC for one-wire telemetry data without the need of modules, links and wires |
| Power configuration | Battery Powered |
|---|---|
| Batteries included | No |
| Dimensions listed | 20.3 x 10.2 x 2.3 centimetres |
|---|---|
| Weight listed | 0.23 Pounds |
What to know before buying
- Smart telemetry is conditional on a compatible Smart ESC, a telemetry-capable Spektrum DSMX transmitter and potentially a transmitter update. The listed dimensions and weight are product details, not independently confirmed installation measurements.
What’s in the box
Included- AR631+ 6 Channel AS3X+ & SAFE Receiver
Who is it for?
A good fit for
- RC aircraft builders using a compatible Spektrum DSMX transmitter who want six receiver channels with AS3X+ and SAFE features.
- Buyers planning a compatible Spektrum Smart ESC setup and willing to confirm transmitter support for telemetry and forward programming.
Less suited to
- Buyers who need a complete transmitter-and-receiver kit. The supplied component list names the receiver, not a transmitter.
- Setups that require confirmed compatibility with a transmitter or ESC not identified in the supplied details.
Customer reviews on Amazon
- 5 stars
90% 90% - 4 stars
6% 6% - 3 stars
1% 1% - 2 stars
0% 0% - 1 star
3% 3%
Customer feedback describes the receiver as good quality and easy to set up, while opinions about value are mixed, with some finding it a good deal and others considering it expensive. These impressions may matter to buyers comparing setup convenience and cost, but they do not establish compatibility with a particular transmitter or ESC. Aggregate ratings are mostly in the five-star category, though a small share are one-star, and ratings alone do not explain the reasons.
Positive themes
- Customers describe the receiver as good quality.
- Customers appreciate the user-friendly setup.
Mixed feedback
- Feedback on value for money is mixed.
Frequently asked questions
Does the AR631+ include a transmitter?
The supplied component list names the AR631+ receiver only. It does not list a transmitter.
What is needed for Smart telemetry?
The listing requires a compatible Smart ESC and a Spektrum DSMX transmitter with telemetry. It also notes that a transmitter update may be required.
Can I set up AS3X+ and SAFE from the receiver?
The listing says AS3X+ and SAFE setup is done through forward programming directly from a Spektrum transmitter. Confirm that your transmitter supports the required feature.
Does it work with DSM2?
The listing describes it as a DSMX receiver with DSM2 backwards compatibility.
