# What are the midi keyboard controllers with the largest keyboards? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

What are the midi keyboard controllers with the largest keyboards?

## Products

### M-Audio Hammer 88 Pro Graded Hammer-Action USB MIDI Controller With Smart Control and Auto-Mapping
```yaml
product: m-audio-hammer-88-pro-graded-hammer-action-usb-midi-controller-with-smart-control-and-auto-mapping
brand: M-Audio
price_gbp: 683.0
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
usb_ports: 1
aftertouch: Assignable Aftertouch
number_of_keys: 88
modulation_wheel: true
pitch_bend_wheel: true
velocity_sensitivity: velocity-sensitive
```

- **Price:** £683.0 [^1]
- **Summary:** The M-Audio Hammer 88 Pro is a full-sized 88-key graded hammer-action USB MIDI controller with aftertouch for expressive performance. It includes smart chord and smart scale modes plus an arpeggiator, and it offers pitch bend and a dedicated modulation wheel for real-time control. It's well-suited for players using virtual instruments who want a large, piano-style keybed with built-in DAW/plugin auto-mapping and hands-on controls.
- **Ideal For:** For MIDI keyboard controllers with the largest keyboards, this 88-key model combines a full 88 graded hammer-action keybed with aftertouch and dedicated pitch bend and modulation wheels.
- **Additional Sources:** [^2], [^3], [^1], [^2], [^3]

### Native Instruments Kontrol S88 MK3 88-Key MIDI Keyboard Controller
```yaml
product: native-instruments-kontrol-s88-mk3-88-key-midi-keyboard-controller
brand: Native Instruments
price_gbp: 728.58
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
usb_ports: 2
aftertouch: Polyphonic Aftertouch
midi_channels: 1
number_of_keys: 88
```

- **Price:** £728.58 [^4]
- **Summary:** Kontrol S88 MK3 is an 88-key, fully weighted hammer-action MIDI keyboard with polyphonic aftertouch and Native Instruments software integration. It includes USB-C connectivity and dedicated pitch and modulation wheels plus an assignable touch strip for expressive control. It suits producers and keyboardists who want deep controller-to-instrument workflow, especially with Kontakt and Komplete Kontrol.
- **Ideal For:** For the largest MIDI keyboard controllers, the Kontrol S88 MK3 offers 88 fully weighted hammer-action keys with polyphonic aftertouch, making it a top-sized option in the S-series line.
- **Additional Sources:** [^5], [^6], [^4], [^5], [^6]

### Kawai VPC1 Virtual Piano Controller
```yaml
product: kawai-vpc1-virtual-piano-controller
brand: Kawai
price_gbp: 2145.48
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
number_of_keys: 88
```

- **Price:** £2145.48 [^7]
- **Summary:** The Kawai VPC1 is an 88-key MIDI keyboard controller designed specifically for controlling virtual piano software, using its RM3 Grand II wooden-key action for realistic feel. It connects via USB to host and standard MIDI IN/OUT, and includes a dedicated editor for touch curves and key velocity offsets. The unit has no pitch bend or modulation wheels and is built to stay focused on the keys.
- **Ideal For:** For the largest keyboards, the VPC1 is an 88-key controller, using the RM3 Grand II triple-sensor action, which directly matches the 'largest MIDI keyboard controller' category size.
- **Additional Sources:** [^8], [^7], [^8]

---
## References & Sources
[^1]: Gear Club Direct, accessed 2026-06-25. https://www.gearclubdirect.com/m-audio-hammer-88-pro-88-key-graded-hammer-action-usb-midi-controller-with-smart-control-and-auto-mapping/
[^2]: Music Arts, accessed 2026-06-25. https://www.musicarts.com/m-audio-hammer-88-pro-graded-hammer-action-usb-midi-controller-with-smart-control-and-auto-mapping-main0494028
[^3]: Guitar Center, accessed 2026-06-25. https://www.guitarcenter.com/M-Audio/Hammer-88-Pro-Graded-Hammer-Action-USB-MIDI-Controller-with-Smart-Control-and-Auto-Mapping-1500000343828.gc
[^4]: B&H Photo Video, accessed 2026-06-25. https://www.bhphotovideo.com/c/product/1788774-REG/native_instruments_29855_komplete_kontrol_s88_mk3.html
[^5]: Native Instruments, accessed 2026-06-25. https://www.native-instruments.com/en/pricing/kontrol-s88/
[^6]: Thomann, accessed 2026-06-25. https://www.thomannmusic.com/native_instruments_komplete_kontrol_s88_mk3.htm
[^7]: Guitar Center, accessed 2026-06-25. https://www.guitarcenter.com/Kawai/VPC1-Virtual-Piano-Controller-1376925891192.gc
[^8]: Merriam Music, accessed 2026-06-25. https://www.merriammusic.com/product/kawai-vcp1/