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ACT-828 Wideband Dual-Channel Digital Receiver

Mipro ACT-828
Mipro ACT-828 Mipro ACT-828 Layout  


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Spec Sheet
User Guide
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MIPRO’s industry-leading digital wireless microphone systems feature an excellent sound quality that truly rivals any wired cable transmission. The handheld microphone transmitter is equipped with a true switching-type condenser (TCM) and dynamic microphone capsules that delivers an exceptionally clear, accurate sonic image to the listener.

Building on their highly successful line of true digital wireless, MIPRO has introduced the ACT-818 & ACT-828 which deliver outstanding features at an affordable price. An expanded 64 MHz bandwidth ensures optimal flexibility, allowing more interference-free, compatible channels to select from.

ACT-818 & ACT-828 can work with the transmitters powered by AA battery like ACT-80H and ACT-80T, or the transmitters powered by rechargeable lithium battery like ACT-8Ha and ACT-8Ta.

  • Key Features
  • Specifications
  • Transmitters
  • Accessories
  • The ACT-828 is an EIA standard 1U dual channel rack-mountable receiver with metal chassis.
  • Full-color VFD (vacuum fluorescent display) for clear viewing of all parameters. All controls are intuitive and easily accessible, allowing for quick and easy system setup via a single rotary control.
  • Enhanced RF circuitry improves anti-interference characteristics and system compatibility with 64 MHz wide bandwidth allows more interference-free channels to be selected
  • New digital diversity receiving technology eliminates signal dropout and enhances receiving range.
  • Full-Range sound quality won’t be changed by the strength of RF signals or operation distance.
  • Digitally-processed RF circuitry and DigitnamicPlus™ technology eliminates compander noise, assuring a wireless sound quality that easily rivals cable transmission.
  • Improved proprietary Audio A/D Converter provides a true dynamic range of 115 dBA, T.H.D. < 0.03% at 1 kHz with < 2.7 ms latency
  • SPDIF Digital Audio Interface facilitates a direct connection to digital mixing consoles and transmits signal without distortion, ensuring a stable S/N ratio which will not deteriorate in long distance transmission.
  • Proprietary 256-bit encryption, provides secure audio transmission, preventing unauthorized listening.
  • 10 built-in SmartEQ™ presets and user-defined microphone capsule equalization allows faithful sound reproduction to suit artists’ preferences.
  • 10 built-in digital anti-feedback SmartEQ™ presets minimize feedback effectively without sacrificing sound quality.
  • Optional MIPRO RCS2.Net software allows real-time network remote-controlling and monitoring of 64 systems.
Overall System
Frequency Range 5E: 480~544MHz (US & EU)
5F: 540~604MHz (US & EU)
6E: 636~700MHz (EU)
6F: 696~760MHz (EU)
Bandwidth 64MHz
Channel Grid 25kHz
Channel Set-up Scan & ACT sync
Audio Sampling 24-bit/44.1kHz Rate
Audio Compression 2nd Generation DSP inertial coding
Latency <2.7ms
Audio Frequency Response 20Hz~20kHz (-2dB)
S/N Ratio (analog output) >115dB(A)
T.H.D. <0.03% @ 1kHz
Encryption 256bit
Chassis / Channel EIA Standard 19" 1U, Dual
Sensitivity 15dBµV at S/N?118dBA
Image & Spurious Rejection >85dB
Receiving Mode Digital Diversity
Audio Output Balanced XLR × 2 , Unbalanced 6.3 mm (1/4 ") × 2
Analog Output Switch Mic / Line × 2
Digital Audio Interface SPDIF output. BNC female × 2
Digital Equalizer Preset 10 Microphone Capsule Modeling
Digital Anti-feedback Equalizer Preset 10 Anti-feedback Microphone Capsule Modeling
PC Interface USB or RS-232 interface. Proprietary MIPRO ACT-BUS
Display Full-color VFD
Battery Meter Transmitter battery status
Antenna Input 50O TNC Female Connector ×2
Power Supply Built-in 100~240V AC Switching Power Supply
Dimensions 420(W) × 44(H) × 245(D) mm / 16.5(W) × 1.7(H) × 9.6(D)"
Weight Approx. 2.2kg / 4.8lbs
Environment Conditions -10~+60℃
Note Refer to actual product in the event of product discrepancy.
Frequency range and maximum deviation comply with the regulations of different countries.
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