Alesis SR16

Features:

• Complete MIDI support for use with keyboards, computers and electronic drum kits
• 233 professional sounds included 
• Built-in digital effects for added realism
• Create and save your own customized patterns and songs

Specifications:

• Audio Outputs:  4 (2 stereo pairs)
• Pads:  12 velocity sensitive (w/Dynamic Articulation™)
• Sample/DAC Bit Resolution:  16/18
• Sounds:  233
• Sounds Accessible via Pads:  12
• Sounds Accessible via MIDI:  120
• Polyphony:  16 voice
• Panning:  7-position user programmable
• Velocity Response:  8 loudness levels via pads, 127 via MIDI
• Timing Resolution:  96 ppq
• Time Signature Range:  1-128 beats per pattern
• Tempo Range:  20-255 bpm
• Notes/Patterns/Songs:  12,000/400 (200 user, 200 preset)/100
• Kits:  50 user, 50 preset
• MIDI Program Change Response:  Kit
• Sync:  MIDI Clock/Song Position Pointer
• Footswitch Jacks/Functions:  2; start/stop, count/A/B/fill
• Other Features:  Sound stacking, step editing, stereo samples with reverb and ambience
• Dynamic Articulation:  Modulates tone
• Power:  9 VAC External Transformer, UL and CSA Approved
• Dimensions: (WxHxD) 9.25 Inch x 1.5 Inch x 6.5 Inch