ue900s the perfect back-up
input sensitivity: 101.2 db @ 1 khz, 50mw
frequency response: 20 hz – 20 khz
noise isolation: -26 decibels of ambient stage noise.
impedance: 30 ohms @ 1khz
internal speaker configuration: 4 proprietary balanced armatures with a 3-way crossover
input connector: 1/8” headphone jack into any personal monitoring system.
warranty: 1 year