Ladies and Gentle men, presenting my latest invention, the THUNDERBUSS, a Gentleman's Sonic Hunting Rifle:

Note the Intensity and Range dial:

The range settings do, indeed, go from 'QUIET' to 'PARDON?'
The twin accumulator valves, which glow with power:

The business end:

A detailed account of this device's construction may be viewed here:
http://brassgoggles.co.uk/bg-forum/index.php?topic=12576.0