Triple Drivers, Wide Response, Maximum Detail. Constructed in relation to Ultimate Ear's defining audio principles, UE 250 in-ear monitors' clarity, volume, and sonic breadth provide an excellent option for musicians, in-studio producers, and others who demand maximum detail and response in their monitoring mix. Starting with a triple-driver design and two-way crossover, UE 350 monitors place an emphasis on the entire frequency range, bolstering the nuances of your mix while ensuring balanced, clear response for utmost audial representation. Likewise, dual low mid and a single high Knowles armature provide enhanced support to ensure ample audio detail over countless in-studio or onstage performance sessions. Sweetwater audiophiles have further observed that, paired with an updated, universal PerForm Fit design and included exchangeable eartips, UE 350 monitors find a comfortable, tight fit in any ear. Topped off with a gamut of accessories, including a connector cable and a carrying case, these monitors will safely find their way into any studio or performance venue.Ultimate Ears UE 350 Universal In-ear Monitors Features:. In-ear monitors with a focus on clarity, volume, and increased frequency range width — perfect for use in the studio, performances on stage, and musicians seeking extra headroom. Triple-driver design with two-way crossover for optimal headroom and sonic nuance. Dual low-mid and single high Knowles armature ensures maximum audial detail. Universal PerForm Fit design for a tight, comfortable fit with maximum translation. Solid faceplate provides a clean, professional look. Included exchangeable eartips, connector cable, and carrying case.