Not to sound like a jack-knob, but you kids have it easy nowadays.
Child 3: "Jack" Researcher: "Jacks?" Child 3: "Yeah, jacks".
The amplifier has an independent headphone jack, and a rotary knob at the top of the device allows seamless fine-tuning of the volume.
On the right speaker you have a red/green power indicator LED, a 3.5mm headphone jack, and the volume knob, which you press to power the speakers on or off.
Mr. Uliasz added an input jack and a pitch-control knob and renamed it the Dark Side Box.
On the front, aside from the power switch, two headphone jacks and big black volume knob, there's a row of four switches.
No. It's a $15 piece of plastic with a volume knob that plugs into your headphone jack and your microphone jack.
But on closer examination, the volume and tone control knobs and the shiny input jack give away its true purpose: portable guitar amplifier.
Lego handle, fittings, speaker, knobs, switches, jacks, tube chart, reverb tank, power cord and footswitch.
At this particular moment, Regula is riffing on the fact that unlike the majority of modular synthesizers, the ones he builds leave the plethora of knobs and jacks unlabeled.
The satellite also has a headphone jack, power button, and of course volume and bass knobs.
