MIPRO ACT-70HC UHF Rechargeable Handheld Microphone

The new wideband rechargeable Mipro ACT-70HC handheld transmitter is built on the experience and backbone of three generations of wireless products. Powered by a rechargeable lithium battery, the ACT-70HC features a lightweight magnesium alloy housing, MU-90 condenser capsule, improved RF circuitry, low power consumption characteristics, backlit LCD display, silent on/off and mute switches and 72 MHz of bandwidth. The Mipro ACT-70HC is innovative and reliable, offering the premium performance needed by today's audio professionals. The ACT-70HC handheld transmitter is for use with MIPRO's NEW ACT 7-Series receivers.


  • Innovatively designed metal housing in MIPRO’s distinctive aesthetic and ergonomic style
  • Powered by a plug-n-play rechargeable lithium battery. Store the microphone in the MP-80 charger when not in use
  • Simply unscrew the grille to open the battery compartment to either replace the lithium battery or charge it in the charger
  • The unique multi-layered metal grille protects the capsule against impact, rolling and pop noise, ensuring clarity of sound
  • Interchangeable capsule module with premium condenser or dynamic options for easy and fast changeovers
  • Back-lit LCD displays all operational parameter information
  • Five selectable gain settings with microphone input sensitivity of 0 dB
  • Switchable Manual / Disable audio mute options
  • Switchable High / Low power options
  • The bottom housing with built-in high-efficiency antenna features power switch, mute and setup buttons for programmable gain, limiter, low-cut and RF output power
  • Patented end-cap cover with color-coded channel identification clips. Detach the end-cap cover for parameter setup. Reversible end-cap allows shielding of power on/off or mute switches during performance
  • Transmitter has high-efficiency circuitry design. The included single rechargeable lithium battery can be easily removed or interchanged for charging. The ICR-18500 battery maintains a high charge capacity for up to 600 full charge cycles


  • Frequency Range:  UHF 482 – 554 MHz
  • Bandwidth:  72 MHz
  • Channel Set-Up:  ACT Sync
  • RF Output Power:  10 mW / 50 mW (switchable)
  • Deviation:  < ±40 kHz
  • Spurious Emission:  ≦ -60 dBc
  • Oscillation Mode:  PLL Synthesized
  • Frequency Stability:  ≦ ±0.005% (-10 – +60℃)
  • LCD Display:  Group, Channel, Frequency, AF gain, Frequency band, RF power, Mute mode, Battery status and error codes
  • Gain Setting:  +6 dB, +3 dB, 0 dB, -3 dB, -6 dB (5 settings) 0 dB = input microphone sensitivity
  • Max. SPL:  142 dB SPL
  • Battery Type:  1 ICR-18500 1400mAh 3.7V rechargeable lithium battery
  • Current Consumption:  High Power: approx. 125 mA; Low Power: approx. 100 mA
  • Operating Time:  A 20-minute fast charge provides up to 1 hour operation. Minimum 13 hours of operation per 4-hour full charge
  • Dimensions (Ø × L):  51 × 250 mm / 2 × 9.8 "
  • Net Weight:  Approx. 276 g / 9.7 oz