Telephone Amplifier Kit - Velleman K4900
This telephone amplifier may be used as a free-standing amplifier with speaker e.g. to listen to a telephone conversation or the output may be connected to an amplifier or mixing panel (e.g. radio stations).
- input: isolation transformer interface
- speaker output: 0.5W / 8ohm
- line output: 0dB (0.775Vrms)
- power supply: 7 - 9V AC or 9 - 12V DC / 150mA
- PCB dimensions: 2.5 x 2.1"