FONE540 expansion speakerphone_all
Deskripsi : Expansion Speakerphone The part number: 60U0100000AB The Package: 10 m cable and 12V/2A adapter included, daisy-chain up to three speakerphones, Microphone frequency response: 120Hz–16kHz Microphone sensitivity: -34± 2 dBV @1KHz, 94dBSPL Microphone distortion: < 1% from 150Hz Microphone support range: Diameter 6M Speaker volume: Adjustable to 90dB SPL at 0.5 m Speaker Distortion: 120Hz~200Hz<20% , 201Hz~500Hz<10% , 501Hz~10K Hz<2% Speaker Sensitivity: 81 ± 2dBSPL@1W/1m Speaker Frequency Response: 180Hz–20KHz,
