This circuit connects to any telephone line outlet and amplifies the telephone conversation so the whole family can listen. The circuit is based around the popular LM386 audio amplifier Integrated Circuit. Includes a modular telephone plug and battery holder.
Supply voltage: 6 to 12V DC / 100mA
Includes 4 x "AA" battery holder
Based on LM386 IC
Includes volume control
Includes modular telephone plug
PC board dimensions: 2.5" x 0.9" (63mm x 23mm)
( Shipping Weight: 80 Grams )