MTP40S is a compact, ultra-light wideband bodypack transmitter for professional wireless microphones. It covers up to 232 MHz within 470–1160 MHz, supports ENR/ENC companding, and LINEAR spacing for intermodulation-free operation with up to 100 mW RF output. The unit features an OLED display, infrared management, adjustable mic gain with a built-in limiter, and uses two AA cells (Alkaline, NiMH or Lithium).