A big plus for the external power supply from 230V to 12V. Actually rather unfavorable (and unusual) but to the unit with an external lead acid battery to supply optimal. Built small cable and no modifications to the equipment required. With 24W in display mode (switched off) the supply of normal batteries is rather difficult.
Four stars because as a small flaw, the volume significantly below that of comparable devices is (without USB port, but with cassette deck).
In Maiwanderungen or Feierlichkieten out there already rather to listen carefully, perfectly ok in normal rooms.
On the manufacturer's website to find more information about a version with an iPod input and karaoke microphones, these features are not included here, however!