Fanstel Professional Amplified Speakerphone (ST50) Review
Fanstel Professional Amplified Speakerphone (ST50) Feature
- Up to 52 dB amplification at 120 dB SPL on handset
- Frequency-specific amplification for handset
- Auto-selects the best amplification level
- Business grade speakerphone?up to 77 dB SPL at 20-Inch
- Loud ringer
