RH300 Samson headphones. Samson RH300 Headphones offer unparalleled audio quality and a comfortable listening experience. RH300 headphones benefit from the latest transducer technology along with a special driver and neodymium magnet. An open-ear design and specially designed acoustic mesh fabric provide an enhanced ambient listening experience while reducing listener fatigue. Endowed with a wide dynamic range and linear frequency response of 20Hz to 22kHz, these phones are ideal for any number of playback situations.