Wireless In-Ear Monitoring System Includes T9 In-Ear Monitors 2.4 GHz Band Works Anywhere in the World Transmitter Plugs into XLR or 1/4Gear 5 Hours on Built-In Rechargeable Battery 24-Bit/48 kb/s 5 ms Latency Two Balanced-Armature Drivers Powerful Mid-Bass Driver + Tweeter Custom Unified Crossover 3.9′ Cable with 3.5mm Connector. The U4T9 from Xvive Audio bundles the U4 wireless in-ear monitoring system with a pair of T9 in-ear monitors to supply 24-bit/48 kb/s digital sound quality to performers and presenters for a wide variety of applications.

Xvive U4 Digital Wireless in-Ear Monitor System with T9 Earphones
$79.64