The Waldorf Iridium Keyboard is a premium-grade digital keyboard synthesizer that incorporates the extremely powerful engine from the larger Quantum model.

Synthesis Capabilities:

Three oscillators, each offering five synthesis models:

1. Wavetable
2. Waveform (Virtual Analog)
3. Particle (Sampling and Granular Sampling)
4. Resonator
5. Kernels (introduced in OS 2.0, allowing one oscillator to become up to six sub-oscillators with interlinkable FM at audio rate)

Storage:

• Capacity for up to 7000 patches
• Compatible with Quantum patches
• 2GB internal sample flash memory
• 1680 factory sounds programmed by various sound designers

Filters:

• Three digital filters per voice:
  • Two in the Dual Filter section
  • One in the Digital Former
• Filter types include:
  • 12 or 24dB Lowpass/Highpass/Bandpass with optional saturation or "dirtiness"
  • Models from Waldorf Nave, Largo, and PPG 3V
  • Dual Filter section can be controlled independently or linked
  • Digital Former offers additional models like Comb, Drive, and Bitcrusher
• All filters maintain true stereo signal throughout the instrument

Modulation:

• 6 Envelopes and 6 LFOs
• 40-slot Modulation Matrix with additional control amount per slot
• Komplex Modulator for custom shape LFO or Envelope

Interface:

• Touch screen with dedicated knobs for major controls
• One-knob-per-function control layout
• Six freely-programmable Macro buttons
• 4x4 silicon pad matrix for launching notes, chords, arpeggios, and sequences (up to 32 steps)
• Seven encoders on each side of the touch screen for parameter access
• Pitch and Mod wheels

Display Features:

• Real-time visual feedback of parameter changes
• Komplex Modulator curve drawing
• Envelope progression display
• Wavetable visualization
• Voice usage and level VU meters
• Audio signal analyzers

Keys:

• 49-key FATAR TP/8SK semi-weighted keyboard with polyphonic aftertouch

Connectivity:

• Two Audio Outputs and two Inputs
• CV inputs, Gate In, and Trigger In
• Clock In and Clock Out
• MIDI via USB and DIN
• USB Host port for MIDI devices and data exchange
• MicroSD card slot (desktop version)
• Control and Sustain Pedal inputs (keyboard version)
• Headphone output with dedicated volume control

Additional Features:

• MPE (MIDI Polyphonic Expression) support

Dimensions:

• 851 mm (W) x 355 mm (D) x 110 mm (H)