Shure BLX1288 P31 PG58 Dual Wireless Mic H9 100825669 it has a slow evaporation

it has a slow evaporation rate and high index of refraction

Features: USB 2

2 hrs 750 W (3000 W peak)

181" diameter

Shure BLX1288 P31 PG58 Dual Wireless Mic H9 100825669 it has a slow evaporationShure BLX1288 PG31 Dual Wireless Headset and Handheld Combination System H9 The BLX1288 P31 Dual Channel Combo Wireless System is part of the Dual Channel Combo wireless systems family. Shure BLX Wireless Systems combine professional quality sound with simple setup and an intuitive interface for legendary audio performance right out of the box. Precision built and available in a variety of configurations, it's the most accessible way to own the stage.