This is one of the older modules that actually had the better heavy drum sounds. Alesis gave Roland a pretty good run when this one first came out. I have no power supply (9VAC) that goes with this. Last time I had it on my set it was working fine. Selling as is just in case it needs to be used for parts.

ALESIS sez-

• A Studio Icon - Legendary classic drum machine for songwriters, live perform-ers and remix engineers
• In Demand Sound - 233 professional sounds included, built-in digital effects for added realism and powered by Alesis exclusive Dynamic Articulation
• Seamless MIDI Connectivity - Complete MIDI support for use with keyboards, computers, DAWs and electronic drum kits
• Connectivity Covered - 4 (stereo pairs) outputs; 2-function footswitch jacks for start/stop and count/A/B/fill
• Production-Ready Features - Sound stacking, step editing, stereo samples with reverb and ambience
• Professional drum machine with 12 velocity sensitive pads (with Dynamic Articulation(TM))
• 50 Preset / 50 User drum kits with 233 sounds assignable to any pad

• Exclusive Alesis Dynamic Articulation feature enables a drum sound to change its tonal content as it's played harder for truly realistic performances
• Sound stacking, step editing, stereo samples with reverb and ambiance
• 2 Footswitch Jacks, MIDI I/O, Stereo main and aux outs, headphone jack

No box or power supply included.