D7322

DSPPA D7322 - Wireless Conference System 5G WiFi Wireless Digital Voting Delegate Unit

DSPPA D7322 is a wireless delegate unit for the D73 conference system, operating on 5G WiFi technology. It integrates speaking, voting, sign-in, and self-testing functions. The cardioid electret condenser microphone features a dual-color LED ring (red/green) to indicate speaking and request-to-speak status. A built-in magnetic speaker automatically mutes when the mic is active to prevent feedback. The unit includes a 2.4" OLED display, touch control panel, and a 3.5mm headphone jack with volume adjustment. WPA/WPA2 encryption with 128-bit AES ensures secure communication.

Functionality

• functions: speaking, voting, sign-in, self-diagnosis
• cardioid condenser microphone with dual-color LED ring (red/green)
• 2.4" OLED display - shows unit status and mode
• touch control panel - intuitive operation
• magnetic speaker - auto mute when mic is active
• 3.5mm headphone jack - adjustable volume
• mic switch button, 5 voting keys
• supports voting and sign-in
• roaming – seamless switching between access points
• excellent resistance to mobile phone interference
• automatic camera tracking - with host or PC software
• self-diagnosis - when connected to control host
• switch-on tone - optional mic status indicator
• up to 6 active microphones in wireless mode
• each unit has a unique ID number

Features

• structure type: desktop
• effective frequency range (±3dB):
  • unit A to B: 130Hz-14kHz
  • host line to unit: 130Hz-14kHz
  • unit to host line: 50Hz-14kHz
• speaker power: 1.2W
• static power consumption: <3.2W
• max power consumption: 4.5W
• signal-to-noise ratio: >81dB
• crosstalk attenuation: >80dB
• harmonic distortion: <1%
• headphone output: 9dBu, 8-32Ω, 3.5mm
• operating power supply: DC5V - charged via Type-C port
• microphone type: cardioid electret condenser
• sensitivity: -42±2dBV/Pa
• frequency response: 50Hz-20kHz
• max SPL: 125dB
• device dimensions: 175x133x46mm
• package dimensions: 485x280x120mm
• gross weight: 2.0kg
• net weight: 0.6kg

DSPPA D7322 is a high-performance delegate unit offering secure transmission, excellent audio quality and full functionality for professional AV conference environments.