Specyfikacja magnetofonu kasetowego Denon DRM-550:
Type: 2-head, single compact cassette deck
Track System: 4-track, 2-channel stereo
Tape Speed: 4.8 cm/s
Heads: 1 x record/playback, 1 x erase
Motor: 1 x reel, 1 x capstan
Tape Type: type I, CrO2, Metal
Noise Reduction: B, C
Headroom Extension: HX Pro
Frequency Response: 25Hz to 18kHz (Metal tape)
Signal to Noise Ratio: 74dB (dolby C)
Wow and Flutter: 0.055%
Input: 80mV (line)
Output: 0.775V (line)
Wymiary: 434 x 135 x 270mm
Waga: około 4kg