SDA-NS Speaker Drive Amplifier

The SDA is an active BTL circuit , that is, an audio amplifier that will allow you to connect your guitar or electric bass to a speaker. This could generate higher output (2.5 W) than the other similar products (less than 1 W). It is a very small assembly that takes up very little space and will be very easy to install.

It comes with a B500k potentiometer that will allow you to control the volume you send at the output.

LED, Head Phone Jack can be installed if you want.

Includes battery clip.

It works with a 9 V battery (not included)

Technical specifications

• Output to speaker: 2.5W RMS
• Current at no signal : 2 mA
• Power requirement : 12 V ~ 5 V
• Speaker requirement : 4" 8 ohms

Measurements and wiring in the pictures.