Uses a suction cup to attach to your telephone handset. Picks up the magnetic field produced in the earpiece by both sides of a telephone conversation. Using op-amps is still a bit of a black art & good layout is essential. Feeds into an 8 ohm speaker after amplification. Volume control trimpot built in. Uses an LM358 & LM386 on a single sided PCB
Features
Specification
Enhance your listening experience with the KIT55 Suction Cup Telephone Pickup Kit. This innovative device easily attaches to your phone, capturing crystal-clear audio from conversations. With built-in volume control and high-quality amplification, enjoy vibrant sound for all your phone calls. Perfect for DIY enthusiasts and audiophiles alike, elevate your audio experience today!