a-pipes (plurale tantum)
electronic bagpipe by brand or trade-mark
An electronic bagpipe chanter, the standard auxiliary equipment of which consists of a single AAA battery, a hearphone [sic; i.e. head- or earphone (!)], and a jack 3.5 output; Added features are adjustable volume and pitch, recording/replay, and a metronome; According to the website its sound examples represent the Scottish bagpipes, Smallpipe in A, Practice chanter, and the Gaita [galega!!!] in C and in B [which does NOT exist!: The Gaita "tumbal" is in B♭ (!), and the only Spanish bagpipe in B Minor is made by the Galician Obradoiro Seivane, who decided to call it a Gaita sanabresa; NB: ➺ Electronic pipes (Sources).