Technical Specifications
Chassis / Channel EIA Standard 19″ 1/2U, Single
Frequency Range UHF 480 – 960 MHz (country dependent)
Bandwidth 64 MHz
Channel Grid 25 kHz
Channel Set-up Scan & ACT sync
Audio Sampling 24-bit / 44.1 kHz Rate
Audio Frequency Response 20 Hz – 20 kHz
Encryption 256 bit
Audio Compression 2nd generation DSP inertial coding
Latency 2.7 ms
S/N Ratio (analog output) > 115 dB(A)
T.H.D. < 0.03% @ 1 kHz
Sensitivity 12 dBµV at S/N ≒ 118 dBA (D)
Image & Spurious Rejection > 85 dB
Receiving Mode Digital Diversity
Audio Output Balanced XLR , Unbalanced 6.3 mm (1/4 “)
Analog Output Switch Mic / Line
Audio Interface AES digital output, analog transmission
Digital Equalizer 10 built-in SmartEQ™ & 10 built-in digital anti-feedback SmartEQ™
PC Interface USB or RS-232 interface. Proprietary MIPRO ACT-BUS
Display Full-color VFD
Battery Meter Transmitter battery status
Antenna Input 2 × 50Ω TNC female connector
Power Supply External adaptor
Dimensions (W × H × D) 210 × 44 × 230 mm | 8.3 × 1.7 × 9 ”
Weight Approx. 1.1 kg | 2.4 lbs
Operating Temperature -10 – +60
MIPRO ACT-818 UHF Digital Single-Channel Receiver
The ACT-818 is a single-channel digital receiver with a 72 MHz wideband receiving circuit, digital diversity reception, and 256-bit encryption. It delivers stable RF performance and excellent audio quality with AES/EBU, Wordclock, and MWC software integration for professional stage and installation applications.
- Built-in digital diversity receiving technology significantly extends stable reception range while preserving consistent audio quality, regardless of signal strength or distance.
- Features MIPRO’s exclusive 256-bit advanced encryption technology for secure signal transmission and eavesdropping prevention.
- Incorporates high-fidelity DSP audio processing and premium D/A converters for wireless audio performance comparable to wired microphones.
- Supports Auto Scan and ACT synchronization for fast and accurate frequency setup.
- Preset with 6 frequency groups holding a total of 224 channels. A 7th user-defined group allows selection and storage of 16 channels from 2,881 available frequencies.
- Audio output includes three selectable gain settings to ensure optimal transmitter sensitivity and dynamic range while preventing distortion or overload.
- Compatible with MIPRO Wireless Console software for PC monitoring, frequency analysis, auto setup, and interference detection, streamlining system management.
- Antenna connectors provide bias voltage for boosters and can be used with MIPRO professional antenna systems to enhance reception range and signal stability.
- Operates with an external AC 100 – 240 V power supply, offering wide voltage tolerance for reliable system operation.
- Compatible with ACT-800 series handheld and bodypack transmitters, as well as TA-80 digital adapters and BC-100DT gooseneck microphone bases for versatile professional applications.
- Proudly developed and manufactured in Taiwan, delivering superior quality, excellent performance, and outstanding value.
ACT-818 為單頻道數位接收機，具 72 MHz 寬頻接收電路、數位選訊接收與 256-bit 加密功能。提供穩定 RF 與優異音質，並整合 AES/EBU、Wordclock 與 MWC 軟體，適用專業舞台與工程安裝。
- 金屬機箱設計，控制面板搭載彩色 VFD 顯示器、飛梭旋鈕與操作按鍵，操作直覺便利。
- 後背板配備平衡式類比輸出與 AES/EBU 數位音訊輸出，並具 REMOTE 控制介面與 Wordclock Sync 接口，便於整合至各類專業數位音訊系統。
- 搭載 MIPRO 獨家設計的 72 MHz 寬頻接收電路，提升可用頻道數並有效降低互調干擾。
- 內建數位自動選訊接收技術，大幅提升穩定接收距離，音質不因距離變化或訊號強弱而劣化。
- 配備 MIPRO 獨創的 256-bit 高階加密功能，有效防止竊聽，確保訊號安全。
- 採用高傳真 DSP 音訊處理器與高品質 D/A 轉換器，讓無線音質近乎等同有線麥克風表現。
- 支援 Auto Scan 自動掃描與 ACT 頻率同步技術，可快速精準完成頻率設定。
- 預設 6 組頻率群組，共 224 個頻道。第 7 組為使用者自選群組，可從 2,881 個頻率中任選 16 個儲存。
- 音訊輸出具三段可切換增益設定，確保發射器維持最佳靈敏度與動態範圍，避免飽和失真。
- 搭配 MIPRO Wireless Console 電腦監控軟體，支援頻率分析、自動設置與干擾監控等功能，提升管理效率。
- 天線座提供強波器偏壓，可搭配 MIPRO 專業天線系統，有效提升接收距離與訊號穩定性。
- 使用 AC 100～240V 外接式交換電源，具寬電壓容忍度，確保系統穩定運作。
- 可搭配 ACT-800 系列手握式與佩戴式發射器，並相容 TA-80 數位轉接器與 BC-100DT 鵝頸式麥克風基座，滿足多元專業應用需求。
- 台灣研發製造，品質優異、性價比高，兼具專業性能與價格優勢。
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