ToneGenerator

3 года назад

The video shows a new device called a Rolls Testoscillator, which is a test tone generator. The device produces sine wave signals at various frequencies, which can be adjusted using the controls on the device. The video demonstrates how the device can be used to test speakers and set crossover points.

3 года назад

The video demonstrates the NVX XTGSP2 tone generator and speaker polarity tester. The speaker demonstrates how to use the device to test RCA cables, generate tones, and check speaker polarity. The speaker also mentions purchasing the device on eBay for a lower price than online retailers.