The Custom Ultimate Ears 7 Pro is the most robust and powerful Custom In-Ear Monitor available; ideal for live performances. It offers the most headroom of any professional earpiece on the market and is based on a 2-way crossover design with a single high driver and dual low drivers. It delivers growl, punch and clarity. 

Sound Quality. Designed to withstand the rigors of touring, the Ultimate Ears 7 Pro is compatible with all wireless systems. It is also compatible with all portable media devices. Housed within the custom shell are 3 individual speakers and an integrated passive crossover that direct the low-end frequencies to a dedicated speaker for bass, the mid-range frequencies to a speaker for the vocals and the high frequencies to a speaker dedicated for treble. The Ultimate Ears 7 Pro provides -26dB of isolation and passive noise cancellation.