- QS8.2 features an 88-key, fully-weighted hammer-action keyboard with velocity and release velocity. QS6.2 has a 61-key synth-action keyboard with velocity, release velocity, and aftertouch
- 16MB of internal sound ROM (640 programs, 500 multitimbral mixes) including Alesis’ acclaimed Stereo Grand Piano sound
- QCard expansion slot for adding 8MB of new samples and programs from the comprehensive QCard library
- Onboard 4-bus multieffects with reverb, chorus, distortion, EQ, delay, rotary speaker simulation, and more
- 4 edit/control sliders, pitch and mod wheels. 2 assignable pedal inputs plus sustain pedal input