Zoom's MRT-3B Micro RhythmTrak is an incredible stand-alone drum machine, and is also the perfect add on to any digital audio recorder that lacks a built in rhythm programming. The MRT-3 features 7 velocity sensitive drum pads, 50 preset and 20 user drum kits (user can make an original drum kit), 200 preset and 99 user patterns, 99 song memory (maximum notes/events: 10,000), 21 note polyphony, quantizes to 96 PPQN, and tempos of 40-250 BPM.
Connections include a Mono out (Line) 1/4" phone jack, Stereo out (Line and Headphone) 1/4" stereo phone jack, a MIDI Input and a Control foot switch jack.
The unit is powered by 4 "AA" batteries or an optional AC adaptor.
7 Velocity sensitive Drum pads
50 Preset, 20 User Drum Kits (User can make original drum kit)
200 Preset,99 User Patterns
99 Songs
10,000 Maximum notes/events
21 sounds Polyphony
Quantize: 96 PPQN
Tempo: 40.0-250.0 BPM
Mono out (Line): 1 x 1/4" phone jack
Stereo out (Line and Headphone): 1 x 1/4" stereo phone jack
MIDI: In
Control In: 1 x Foot switch
AC Adaptor: AD-0006D (Option)
Battery: 4 x AA size
Electronic/Drum Machines 
