rica Synths Pico DRUM1 module gives you two independent and great sounding drums with versatile control over different parameters and a huge collection of drum samples.
Features
2 independent drums
64 samples for each drum
USB interface for user samples upload
Google app for sample upload 
Independent controll over Pitch, Decay and Level for each drum
Independent controll over Pitch, Decay and Level for each drum
Seperate triggers for each drum
Audio output of mixed drum sounds
Exclusive switch to select how the two drums interact with
Each other when triggered at the same time
12bit resolution, 44kHz sampling frequency
You can chain up several Pico Drums and get one of the smallest modular drum setups in the modular world!
With Pico Series we challenged ourselves – can we make ANY superior functionality synth module 3HP wide and affordable? Yes, we can.
Useful links: 
Pico Drum Programmer Google Chrome plug-in
Pico Drum Samples 
Technical specification:
Resolution
12 bit
Sample rate
44 kHz
Power consumption
+35mA, -15mA
Module width
3HP
Module depth
35mm