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Audio preprocessor
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Operating voltage: 220V/AC

Communication interface: RS485

Microphone jack: 6.35mm (2 pcs)

Stereo input interface: 3.5mm (4), input signal < 1.4Vrms

Acoustic output interface: RCA (2 units)

Microphone input sensitivity: adjustable

Volume range: -78.75 to 0dB

Input gain: 0 to 11.25dB

Tone adjustment range: -14 to 14dB

Signal-to-noise ratio: 100dBV

Total Harmonic Distortion (1Vrms, 1KHz): 0.03%

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GEFFEN is specialized in processinghigh definition video signals for years. wehave developed and produced a series ofpro video devices, including signalconverter, multi-viewer, optical fiberconverter, signal distribution amplifiersignal generator and matrix switcher, etc.
：Building 3, Baizhong Creative Park, No. 240 Shilian Road, Panyu District, Guangzhou,Guangdong，China
：+86 13928186280（Same WeChat/Whatsapp account）
：+86 20-34702140
ADD:Building 3, Baizhong Creative Park, Xinqiao Section, Shilian Road, Panyu District, Guangzhou City   TEL：020-34702140
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