The Ultimate Ears 900s Noise-Isolating Earphones deliver sound that’s surpassed only by our Custom In-Ear Monitors, You get clean, well-rounded, textured sound – a wide soundstage with soul-satisfying bass, heavenly highs and a crisp, piano-like timbre. The perfect backup to your custom in-ear monitors.
101.2 dB @ 1 kHz, 50mW
20 Hz – 20 kHz
-26 decibels of ambient stage noise.
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Internal speaker configuration:
4 proprietary balanced armatures with 3-way passive crossover.
1/8” headphone jack into any personal monitoring system