PRODUCT INTRODUCTION

The MIPRO ACT-343 4-Channel Wireless Microphone System with 4x ACT-32H Handheld Microphones is a professional UHF solution designed for multi-user applications, stable signal transmission, and high-quality audio performance. Built with a durable EIA-standard full-rack (19”) metal chassis and a green backlit LCD display, it ensures reliability, easy monitoring, and long-term durability.

Featuring a 24 MHz narrowband high dynamic range receiving circuit and PiloTone & NoiseLock technology, the ACT-343 minimizes interference while maximizing signal clarity. With Auto Scan and ACT™ synchronization, frequency setup is fast and accurate—ideal for large-scale events, churches, and stage performances.

PRODUCT DESCRIPTION

The MIPRO ACT-343 is a quad-channel diversity wireless receiver engineered for professional environments requiring multiple microphones simultaneously. Its advanced receiving architecture reduces intermodulation distortion and increases the number of interference-free channels, ensuring stable performance even in complex RF environments.

The green backlit LCD screen automatically lights up to indicate system status (Working / Standby), allowing users to monitor operation easily. The built-in Auto Scan function identifies the best available frequency, while the ACT™ sync function enables instant pairing between transmitters and receiver.

This system includes 4x ACT-32H handheld microphones, delivering powerful, clear, and natural sound reproduction. With independent audio outputs and adjustable gain settings, the ACT-343 ensures optimal audio control for professional PA systems.

麾 KEY FEATURES / BULLET POINTS

4-Channel Professional Handheld System

• Includes 4x ACT-32H wireless handheld microphones
• Supports four users simultaneously
• Ideal for events, churches, stage and karaoke

Advanced Signal Stability

• 24 MHz narrowband high dynamic range circuit
• Diversity receiving for stable signal
• Reduced intermodulation distortion

Smart Frequency Management

• Auto Scan for quick frequency selection
• ACT™ sync for fast transmitter pairing
• 7 preset groups with 80 pre-saved frequencies
• User-defined group with up to 961 selectable frequencies

High-Quality Audio Output

• Frequency response: 50Hz – 18kHz
• Dynamic range >106 dBA for clear sound
• Balanced & unbalanced output options
• Adjustable output gain levels

Anti-Interference Technology

• PiloTone & NoiseLock dual-squelch circuits
• RF interference warning indicator
• Adjustable SQ level for optimal performance

Durable & Professional Design

• EIA standard full-rack metal chassis (19”)
• Green backlit LCD with working/standby display
• Detachable antenna with bias support for extended range

Easy Setup & Operation

• Clear LCD interface for monitoring
• Plug-and-play installation
• External AC 100–240V switching power supply

麽 TECHNICAL SPECIFICATIONS (SUMMARY)

• Channel: 4 Channel (Quad)
• Frequency Range: UHF 480 ~ 934 MHz (country dependent)
• Bandwidth: 24 MHz
• Receiving Mode: Diversity
• Sensitivity: 10 dBμV (S/N > 80 dB)
• Dynamic Range: >106 dBA
• Frequency Response: 50 Hz – 18 kHz
• Audio Output:
  • Balanced: +16 dB / 0 dB / -6 dB
  • Unbalanced: +10 dB / 0 dB / -6 dB
• Power Supply: DC 12–15V / AC 100–240V
• Dimensions: 420 × 44 × 164 mm
• Weight: Approx. 1.7 kg

SOLUTION / APPLICATION

Ideal For:

• Large Events & Stage Performances
• Church & Worship Systems
• Conference & Seminar Halls
• Karaoke & Entertainment Venues
• Professional PA System Installations

Why Choose ACT-343 4-Channel System?

The MIPRO ACT-343 provides multi-user capability, stable wireless performance, and professional audio qualityin one powerful system. With Auto Scan, ACT™ sync, and advanced anti-interference technology, it ensures reliable performance even in demanding environments—perfect for large-scale applications and professional sound setups.