 UO98 Timewave DSP-9+ $99.95 SOLD Audio Noise Reduction Filter The Timewave DSP-9+ is an audio noise filter for amateur radio voice, data and CW operation. It uses DSP algorithms to perform three basic functions: random noise reduction, adaptive multi-tone notch filtering and bandpass filtering. The rear panel has jacks for audio input, line output and speaker output. Requires 12 VDC at 1 amp. With Owner's Manual. [01/08]
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 UQ36 Timewave DSP-59 $139.95 SOLD Audio Noise Reduction Filter The Timewave DSP-59 is an audio noise filter for amateur radio voice, data and CW operation. It uses DSP algorithms to perform noise reduction, notch filtering and bandpass filtering. The rear panel has jacks for audio input, line output and speaker output. Requires 12 VDC at 1 amp. With Owner's Manual, DC power cable and audio cable. [03/08]
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