Props to the sub
For the Zevon reference.
Portable loudspeakers are always a tricky proposition. Generally, small speakers produce an equally small sound. If you do try to pump up the volume then the sound tends to become distorted. So there’s a difficult balancing act between the size of the speakers and the quality and volume of the sound that they can produce. …
as an MP3 speaker! MP3 is a compression algorithm. These would appear to be active speakers (i.e. with built-in amplifiers) which have docks for separate MP3 players.
What I need for talking newspaper playback use is an active speaker with a USB socket and which can play MP3 files from USB flash memory.