shure DH 744A Wireless microphone

• Dual Handheld Microphones: Equipped with balanced outputs for clear audio transmission.

• VHF High Band Frequency: Operates within the VHF 170–270 MHz range, reducing interference.

• PLL-Synthesized Technology: Ensures stable and fixed frequencies, allowing multiple systems to operate simultaneously without cross-talk.

• Companding Design: Enhances effective range and minimizes feedback and noise.

• Extended Operating Distance: Effective range of up to 100–150 meters, suitable for large venues.

• User-Friendly Receiver: Features front-positioned antennas and dual-channel reception for easy setup and operation.​

📊 Technical Specifications

• Frequency Range: VHF 170–270 MHz

• Frequency Stability: ±30ppm

• Dynamic Range:

  90dB

• Total Harmonic Distortion (THD): 0.8%

• Frequency Response: 40Hz–15kHz ±3dB

• Audio Output Level: Balanced: 400mV; Hybrid: 400mV

• Receiver Power Supply: AC 110V/220V (±10%)

• Microphone Power: 15mW (max)

• Microphone Battery: Standard 9V AA, with over 8 hours of continuous operation

• Receiver Dimensions: Approximately 1U rackmountable