Headset for various uses that amateur radio. The speakers have an input impedance 32 Ω, which makes it a good match volume-wise for standard radio speakers and desktop speakers.
You won't need to adjust the volume when you switch between speakers and headphones. Included in shipment is a detachable cable with 3.5 mm stereo jack plug, 6.3 mm jack adapter phone is also provided. Headset RS-20S weighing c. 480 g.