Digital Wireless Solutions From MIPRO: ACT-800 And MI-58 In Focus

The demands placed on modern audio transmission systems are increasing all the time – not only in professional stage operations, but also in broadcasting, conference rooms and mobile applications. If you are looking for uncompromising quality, reliable transmission and intuitive operation, there is one name you cannot ignore: MIPRO. At Prolight + Sound 2025 in Frankfurt, the Taiwanese audio specialist once again demonstrated its innovative strength with products such as the ACT-800 digital wireless system and the MI-58 in-ear monitoring system.

First-class digital wireless technology: the ACT-800 series

The ACT-800 system from MIPRO is impressively presented at Prolight + Sound 2025: In the centre of the presentation table are handheld transmitters with interchangeable microphone capsules in a professional charging station. Directly below, the entire range of digital receivers is on display - from the ACT-818 and ACT-828 to the four-channel ACT-848 model, each with colour displays for frequency and signal monitoring. Two antennas ensure reliable radio communication. The combination of high technical quality and clear presentation underlines MIPRO's claim to provide professional wireless technology for the most demanding requirements - which can be explained directly by the expert staff at the stand. width=

MIPRO ACT-800 series at Prolight + Sound 2025.

The ACT-800 Series is MIPRO’s flagship digital UHF system and is designed for professional users who demand uncompromising sound quality, maximum reliability and modern network integration. The new digital wireless systems in this series offer outstanding audio quality that can easily compete with high-quality wired microphones. Thanks to digital signal transmission, sound fidelity is always maintained, regardless of transmission power or distance. This makes the systems suitable for both fixed installations and large, multi-channel live productions.

Our ACT-800 series guarantees stable transmission between 80 and 100 metres.
Martin Lutz, General Manager & Head of Export Sales MIPRO Germany

With the ACT-800 series, MIPRO focuses on maximum transmission security: a digital 256-bit AES key reliably encrypts the audio signal and protects it from unauthorised eavesdropping. The digital audio signal can be transmitted loss-free via the standard integrated AES/EBU interface to digital mixing consoles or other audio systems – even over long distances. For even greater flexibility, the ACT-828 and ACT-848 two and four channel receivers are also available with an optional Dante™ or AVB™ interface for seamless integration into digital audio networks.

The focus of this exhibition area is on MIPRO's ACT-800 digital wireless system - presented here in a professional charging cradle with matching handheld transmitter. The modular microphone capsule is clearly visible, with the label

MIPRO ACT-800 series at Prolight + Sound 2025.

The receivers of the ACT-800 series have a robust metal housing in EIA standard 1/2 19″ rack format, which ensures maximum stability in both mobile and fixed applications. A special feature is the bright colour VFD (Vacuum Fluorescent Display), which offers a wide viewing angle and crystal-clear display of all parameters, even in difficult lighting conditions. In standby mode, the display automatically dims to conserve power and prolong battery life.

All important settings can be made quickly and intuitively using a central rotary knob. Improved RF filter elements and optimised circuitry ensure increased immunity to interference. In addition to the 224 pre-programmed interference-free channels, 16 freely programmable memory slots are available – ideal for flexible frequency planning in complex setups.

Featuring digital diversity technology, integrated SmartEQ™ with 10 microphone presets, DigitnamicPlus™ compression noise reduction, and a high-precision A/D converter with 115 dBA dynamic range and less than 2.7 ms latency, the ACT-800 Series delivers consistently stable, high-quality audio, even at high sound pressure levels.

With digital diversity technology, our systems use two independent receive paths to select the most stable and clean signal at all times, minimising dropouts, improving range and ensuring consistently reliable audio transmission.
Martin Lutz, General Manager & Head of Export Sales MIPRO Germany

ACT™ frequency synchronisation and PC control software for monitoring up to 64 receivers complete the professional system architecture. Each receiver also provides power for optional antenna systems or boosters to extend range and stability. Optional integrated Dante™ or AVB™ interfaces allow all audio signals to be fed directly into digital networks for lossless processing.

Variations and Features

ACT-818: Single-channel receiver
ACT-828 / ACT-828AVB / ACT-828DNT: Dual-channel receiver with optional network interfaces
ACT-848 / ACT-848AVB / ACT-848DNT: Four channel receiver
Frequency range: 482 – 698 MHz Switching bandwidth: 72 MHz Channels: 224 pre-programmed + 16 user programmable Display: Colour VFD with automatic dimming Housing: Rugged EIA 1/2 19″ metal housing Control: Intuitive one-button operation Technology: Digital Diversity, DigitnamicPlus™, SmartEQ™, ACT™ frequency synchronisation A/D converter: 115 dBA dynamic range, <2.7 ms latency PC software: Control and monitoring of up to 64 receivers Antenna power: Built-in booster and antenna power supply

Transmitter options

ACT-800T: Pocket transmitter, 10-50 mW, battery/rechargeable battery
ACT-800H: True condenser head handheld transmitter, interchangeable head system
TA-80: Plug-on transmitter with 48V phantom power
BC-100DT: Digital call station
ACT-80 / ACT-80R: Battery-powered mobile receivers
ACT-800 test kits: Complete solutions with transmitters and measurement microphones

MI-58 Series: Digital in-ear monitoring in the 5.8 GHz range

The MI-58 is a digital, wireless in-ear monitoring system that operates in the licence-free 5.8 GHz frequency band and offers particularly stable and noise-free signal transmission. The high bandwidth of 125 MHz enables an extended frequency response from 20 Hz to 23 kHz, ensuring exceptionally high fidelity and a high signal-to-noise ratio. At the same time, the system has an extremely low latency of less than 2.2 ms – a clear advantage over analogue systems in the UHF range.

Thanks to its very attractive price and high quality, the MI-58 offers excellent value for money. The version with integrated DANTE interface is particularly practical, allowing direct reception of digital audio signals via the network. The system consists of the compact MI-58T fixed stereo transmitter and the handy MI-58R bodypack receiver. The components are of the highest quality, capable of driving even the most sophisticated in-ear monitors – for a differentiated, detailed sound experience on any stage.

With the MI-58 series, we are the only manufacturer to have developed a fully digital in-ear system.
Martin Lutz, General Manager & Head of Export Sales MIPRO Germany

For monitoring applications, MIPRO offers the MI-58 series, a fully digital system operating in the 5.8 GHz ISM band. The system is licence-free and virtually interference-free, making it ideal for musicians and productions in busy UHF environments.

Components at a glance

MI-58TD: Transmitter with Dante interface
MI-58T: Standard transmitter with line and loop outputs
MI-58R: Pocket receiver with 20 Hz – 23 kHz frequency response, < 2.2 ms latency

Special Features

24-bit / 48 kHz audio conversion
OLED display for intuitive operation
EQ profiles and presets for different monitoring needs
Headphone outputs: 3.5mm & 6.3mm
Power supply: Battery operation with ICR18500 Li-ion battery pack
Sets and options
MI-58RT: Complete set with transmitter, receiver, in-ear monitors, charger
MI-58RT-DNT: Version with Dante interface

MIPRO: Professional audio technology from Taiwan

Founded in Chiayi, Taiwan, in 1995, MIPRO has stood for innovative, practical and powerful wireless technologies for decades. As Taiwan’s largest manufacturer of professional wireless systems, the company designs and manufactures its products entirely in-house, is an A-member of the Taiwan Electronics Association, and is TÜV-certified to ISO 9001:2000. Under the leadership of founder KC Chang and now his son Solomon Chang as President, MIPRO continues to strive for technical excellence, product innovation and global customer satisfaction.

With a wide range of wireless microphone systems, portable PA systems, in-ear monitoring systems, conferencing technology, camera receivers and interactive wireless technology, MIPRO covers a wide range of needs – from live sound reinforcement to corporate communications, education and government.

MIPRO still manufactures its own microphone heads – something that is no longer taken for granted in the industry.
Martin Lutz, General Manager & Head of Export Sales MIPRO Germany

In Germany, MIPRO Germany GmbH, based in Hardthausen near Heilbronn, has been serving the German-speaking market since 2014. With short delivery times, direct support, comprehensive services and a customer-oriented service commitment, MIPRO Germany offers excellent communication solutions for a wide range of industries. The mission: innovative audio technology that enables clear, interference-free communication in every application situation – whether on stage, in the conference room or on the road.

Digital wireless technology with a system – MIPRO impresses in live applications

Whether in theatres, at concerts, in conference centres or at festivals, MIPRO’s ACT-800 and MI-58 series offer modern solutions that are both technically and economically convincing. The combination of robust hardware, intuitive operation and innovative signal technology makes the systems particularly attractive for professional users.

With its appearance at Prolight + Sound 2025, MIPRO once again underlines its role as one of the pioneers in the field of digital audio technology – made in Taiwan, optimised for the world stage.