The AS-950 wireless in-ear monitor system offers reliable quality and exceptional value. The receiver features a 50mW x 2 output with RF and stereo indicator. The transmitter features L/R level display, channel LCD display with channel up and down select, stereo XLR / 1/4" inputs and a headphone output with volume control. The AS-950 also offers 16 selectable UHF frequencies. EB4 ear buds feature titanium drivers, extended bass response, aluminum, alloy construction and now come standard with all WPM models.