DNA Professional DNA WM4 Sistema de microfone sem fios com 4 emissores de mão UHF conjunto de quatro canais

Managing audio for events, conferences, or performances often means juggling multiple microphones and dealing with interference or dropouts. The DNA Professional DNA WM4 Wireless Microphone System solves this by delivering four independent UHF channels in one rack-mountable receiver, giving you reliable, clear sound for up to four presenters or performers simultaneously.

Who is it for

This system is ideal for houses of worship, schools, conference rooms, small stages, and anyone needing a multi-microphone setup without the complexity of separate receivers. It suits vocalists, public speakers, fitness instructors, and event coordinators who demand dependable wireless performance.

Main features

• Four independent UHF channels with four handheld transmitters included
• UHF band operation with multi-frequency selection for interference-free use
• FM modulation for stable audio transmission
• Dual detachable antennas on receiver for diversity reception
• LCD display on receiver for channel and frequency monitoring
• Balanced XLR outputs for each channel plus a mixed 1/4" output
• Metal receiver chassis for durability in fixed or mobile installations
• Transmitters powered by 2x AA batteries with up to 8 hours of operation

Specifications

• System Type: UHF Wireless Microphone System
• Number of Channels: 4 (Independent)
• Frequency Band: UHF (e.g., 610-670 MHz, region dependent)
• Modulation Type: FM
• Transmitter Type: 4x Handheld Microphones
• Receiver Outputs: 4x XLR Balanced, 1x 1/4" (6.35mm) Unbalanced Mix Out
• Dynamic Range: >90 dB
• Total Harmonic Distortion (THD): <0.5%
• Frequency Response: 40 Hz - 15 kHz
• Signal-to-Noise Ratio (S/N): >90 dB
• Operating Range: Up to 50-100 meters (line of sight)
• Transmitter Power Supply: 2x AA batteries per microphone
• Transmitter Battery Life: Approx. 6-8 hours
• Receiver Power Supply: DC 13-15V, 500mA (via AC adapter)
• Frequency Stability: <±30 ppm
• Receiver Display: LCD (for channel/frequency information)
• Antennas: Dual detachable antennas (for diversity reception)
• Receiver Construction: Metal chassis

Tips

For optimal performance, position the receiver with a clear line of sight to the transmitters and keep antennas fully extended. Use fresh alkaline batteries in each handheld transmitter and always perform a quick sound check before the event. To avoid interference, select frequencies that are free from local TV broadcasts or other wireless systems.