D6703

DSPPA D6703 - delegate microphone unit of the D67 conference system

DSPPA D6703 is the delegate microphone unit of the D67 infrared wireless conference system, designed for professional AV environments. It features a rotatable condenser gooseneck microphone (400mm, with optional extension), mute function, and an OLED dot matrix display showing battery status, charging, microphone ID, signal strength, and operation indicators.

The unit includes a Speak button with a status LED and a light ring around the microphone head to indicate speaking status. If the signal is interrupted for more than 20 seconds and not recovered, the unit will automatically shut down after 60 seconds. The display alerts the user with a “Signal Abnormal!” message and mutes the microphone.

Powered by a built-in 12V/4000mAh lithium polymer battery, DSPPA D6703 supports charging via adapter or charging box. Its compact design and ease of installation make it ideal for conference rooms, institutions, and corporate environments.

Functionality

• infrared wireless transmission - no cabling required
• rotatable condenser gooseneck microphone (400mm, optional extension)
• mute function
• OLED display - battery, charging status, microphone ID, signal strength
• light ring - visual speaking status indicator
• automatic mute and shutdown on signal interruption
• Speak button with status LED
• powered by 12V/4000mAh lithium polymer battery
• two charging modes: adapter or charging box

Features

• frequency range: 2MHz-3MHz
• demodulation method: FM/FSK
• infrared radiation power: +10dBM
• microphone sensitivity: -44dB±2dB
• frequency response: 100Hz-12KHz
• distortion: <0.5%
• reference speaking distance: 10-30cm
• microphone rod length: 400mm
• built-in power supply: lithium polymer battery 12V/4000mAh
• power: 4W
• operating temperature: 0℃-40℃
• dimensions: 168x145x60mm
• weight: 1.2kg (with battery)

DSPPA D6703 is a modern and reliable solution for delegates in conference systems, offering convenience, secure transmission, and high-quality audio in professional AV setups.