Shure BLX4 Wireless Receiver for BLX Wireless System - H9 Band option-title-70-Degree you can combine them to

you can combine them to get anywhere in between

1600 x 1200 (UXGA)

Class D amplifier:

Maximum Expansion: Limited only by the number of available MY expansion slots in the digital mixer

Shure BLX4 Wireless Receiver for BLX Wireless System - H9 Band option-title-70-Degree you can combine them toShure BLX4 Wireless Receiver for BLX Wireless System H9 Band Analog wireless receiver provides improved linearity and frequency response with group and channel scan for easy set up. Features include microprocessor internal antenna diversity, frequency QuickScan, and two color audio status indicator LED. Features: For Small Venues and Conference Rooms Single Channel, Portable Tabletop Design 123 Auto Scan Frequencies Internal Antenna Diversity