Mipro Products
Wireless Microphone Systems
ACT-707 UHF Four Channel True Diversity Receiver (Analog)
EIA-standard 19" 1-rack unit metal chassis. Compact and space-saving design allows 4 hotswapptable receivers modules.
Reliable true diversity reception for maximum range with dual "Pilotone & NoiseLock" circuit
prevents interferences.
Innovative, easy-to-read color LCD displays RF/AF, diversity strength, transmitter battery level.
Press the "SCAN" button and the receiver will auto-scan and lock on to an open, interference free
Press the "ACT" button to automatically upload the receiver frequency to the transmitter.
Output level and dynamic range accurately pre-adjusted to equal the microphone capsule's
sensitivity, thus ensuring optimal performance of the system.
Built-in 4-channel antenna divider. Addition of extension antenna and boosters enhance receiving
efficiency and receiver's antenna connectors will directly provide booster bias.
Detachable switching power supply assures stable performance in the range of 90~264V AC
power input and its ventilation design assures safe temperature and stable operation of systems
24-hour a day.
A monitoring headphone jack with channel selector and volume control on the front panel.
Manual or PC control via comprehensive MIPRO PC-control software. Digitally controlled, realtime programmable panel provides unprecedented flexibility and command capability.
Patented and meets worldwide wireless regulations and approvals.
Reliable RF, transparent audio performance and an array of leading-edge features and functions
which combine to make the ACT series ideal for a whole host of diverse applications.
Specifications - ACT-707
Main Frame Size
EIA standard 1-rack unit
Main Frame Construction
All in metal
Receiver Module
Hot swapped
Display Status
Color LCD panel displays RF/AF and diversity metering, transmitter battery fuel
gauge. Allows manual setting of Group, Channel, Frequency, Performer's Name,
Squelch level, Mute On/Off and Address.
Oscillation Mode
PLL synthesized
±0.005% (-10~50℃)
Carrier Frequency Range
UHF 620~950MHz
Receiving Mode
True-diversity receiving
6dBμV, at S/N>80dB, 40KHz deviation
Max. Deviation Range
±68KHz, with level limiting
S/N Ratio
<0.5% @ 1KHz
Frequency Response
50Hz~18KHz±3dB, with high-pass filter
Maximum Output Level
Mic-level: -20dBV/100Ω, Line-level: -4dBV/5KΩ
Output Connectors
XLR balanced & 6.3φ phone jack unbalanced. Multi-channel system can switch
between separate or mixed output.
Audio Output Adjustment
The world's first wireless system with output level accurately pre-adjusted to
equal to the microphone capsule sensitivity and ensure optimal performance.
Innovative "PiloTone & NoiseLock" dual-squelch circuit.
AC Power Supply
Built-in detachable 90~264V AC switching power supply
DC Power Supply
4A, 12~15V DC
482(W)×44(H)×240(D)mm / 19.0(W)x1.7(H)x9.4(D)"
4.2kg / 9.3lbs
Matching Transmitters
ACT-707H, ACT-707HM, ACT-707T, ACT-707TM
Varied specifications on carrier frequency range and maximum deviation to
comply regulation of different countries.
Matching Microphones
ACT-707 HM