Guangzhou DSPPA Audio Co., Ltd.
Tel: 020-28346138
Fax: 020-81305947

D6304 12-channels Infrared Transmitting Host


● Infrared directional transmission, highly confidential;
● It has automatic level control function(ALC);
● With high performance digital programmable phase locked chip,
● the phase locking accuracy is higher;
● It adopts advanced audio infrared FM modulation transmission;
● It has 12 groups of external audio input channels;
● With 12 sets of audio output channels ;

  • Introduction
  • Specification
  • Connection

D6304 is a high-performance infrared voice distribution system, transmitting host. 2M ~ 8MHz frequency is used as carrier wave, precision PLL phase locked loop technology, advanced audio infrared FM modulation transmission mode. Infrared directional transmission, highly confidential, to prevent external malicious interference and eavesdropping. Connectable panel and conference system host.



Power Supply


Static power


Crystal oscillator

Crystal control


(PPL)Frequency modulation, narrow-band

Carrier frequency

2M~20MHz(BAND4 Band)


100 US


±6KHz(Peak value±7KHz)

Total harmonic distortion


S/N ratio




Input sensitivity

50mV-1.5V(line level)

RF output

2 way BNC anti-short plug, 100mV RMS

RF output impedance


Machine measure

483Lx344W x 88H (mm)

Net weight


D6304 12-channels Infrared Transmitting Host

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  • Tel:+86 020 37166520
  • Address:Jianggao Town, Baiyun District, Guangzhou, China