New Retro look with black mesh Rad-Sym steel speaker grill and volume control knob, this Great Little Yellow Speaker needs no battery just screw it on to your existing CDV-700 phone jack and enjoy the sweet audible clicks from your vintage Geiger Counter. plus you can turn the volume down by a simple swipe of your finger across the volume control thumb wheel.....

It has a pronounced audible click using  a tuned speaker chamber to give maximum audible output clicks. 

CNC Machined and painted to match the CDV-700. Designed and constructed by me in USA. Online future website coming soon....

See all my other speaker designs Click on (See other items) on right side of add....

You may return the Great Little Yellow Speaker for any reason if not satisfied for a complete refund. 

What you will get....

1- Great Little Yellow Speaker

1- Installation Manual