The CD-2u SD/CD Recorder from Roland can be used to record audio directly to SD and SDHC cards as well as CD-Rs and CD-RWs. It features built-in stereo microphones as well as two combination XLR/TRS microphone inputs with 48V phantom power. It also accepts audio from a 1/8" plug in power mic input as well as stereo RCA line inputs. The CD-2u is also designed to be used as a training tool and features a built-in tuner and metronome as well as playback speed and key adjustment. These features allow you to slow a song down to learn a difficult passage or adjust its key to suit your voice. The include wireless remote allows you to start and stop recording from a distance. The CD-2u can be powered by six AA batteries or the included AC adapter.
The included AC adapter is required for CD playback and recording.