I. Introduc�on
Digital denoiser SNR upgrade degree
Digital filter frequency response range
Headphone driving power
Headphone output impedance
Input impedance range
Speaker output power
Speaker output impedance
Opera�ng voltage
Volume
More than 22dB
L-CUT adjustment range 5Hz-1280Hz
H-CUT adjustment range 500Hz-5615Hz
100mW@Max
16~64Ω
Low impedance of 16Ω,
high impedance of 10kΩ
≥3W (8Ω, THD≤0.2%)
4~16Ω
DC12V:t15%
159*44*143mm
GNR1 digital audio noise filter is an audio processing device integra�ng digital
noise reduc�on and digital filtering. It can be widely used in the external audio
processing sector of all types of wireless receiving equipment such as radio
transceiver, receiver, radio, to effec�vely reduce the background noise, improve
the signal-to-noise ra�o, and improve the signal iden�fiable degree. GNR1
supports to connect external passive speaker, which can provide 3W audio
output power; support independent adjustment of input/output sound volume;
support selec�on of high/low input impedance; support audio double output
ports (3.5mm stereo output, RCA output); support headphone output and
automa�c switch of headphone/speaker output.
II. Basic Indicators
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