How has the BLX1 transmitter been improved compared to the SLX1 or PGX1 transmitter?
For the BLX1 transmitter:
Increased battery life: up to 14 hours of operation from two AA cells
On/Off toggle switch: tactile indication that the switch has been activated
Continuously variable audio input gain control: range of 26 dB
Bi-color LED battery status indicator: Green (battery OK) or Red (less than 60 minutes of operating time)