Check the listing for details. Spektrum NX8+ 20-Channel DSMX Transmitter Only. Condition: New. Listed at 399.99 USD. Get More With Plus With the Spektrum™ NX+ series, you'll enjoy the versatility needed to operate your models to their fullest potential and to fly complex aircraft like EDFs and giant-scale balsa airplanes. That's just where the next generation NX8+ advantage begins. The NX8+ also incorporates many of the latest exclusive Spektrum™ innovations for a level of ease, efficiency, and performance that discriminating pilots demand. Spektrum NX8+ 2.4GHz DSMX® 20-Channel Transmitter Overview Out of the box, the NX8+ is compatible with Smart Technology. It comes ready to support your Spektrum™ Smart batteries and Smart Avian™ ESCs so you can receive essential telemetry data at your fingertips in real time. The NX8+ radio's Wi-Fi connectivity adds even more convenience. In addition to.