DETAILED SOUND WITH EXTRA HEADROOMFrom the quietest moments of your set to the most epic crescendos, UE 18+ Pro delivers world-class sound consistently at any volume. A four-way crossover and six proprietary drivers deliver increased headroom at all frequencies, bringing out the dynamics of your performance.Four-way crossover provides increased detail across the frequency spectrumDual low and high drivers provide extra headroom for increased dynamic rangeExcellent acoustic isolation rejects noise in any environmentCustom, personalized fit stays secure and comfortableWaterproof connection system and SuperBAX cable provide lasting durabilityBest for: Drummers, pianists, jazz and classical musicians