The Seaboard SBR049 refers to the ROLI Seaboard RISE 49, a 49-note USB MIDI controller known for its unique "Keywave" surface that allows for five dimensions of touch expression (Strike, Glide, Slide, Press, Lift), offering incredible sound shaping beyond traditional keyboards, with wireless Bluetooth MIDI, bundled software (Equator), and portability for studio or stage. 

Key Features:

• 5D Touch: Manipulate sound with Strike (velocity), Glide (sideways), Slide (up/down), Press (aftertouch), and Lift (release velocity).
• 49 Keywaves: A pliable, pressure-sensitive playing surface that replaces traditional keys.
• Wireless MIDI: Connects via Bluetooth for untethered performance.
• Portability: Thin, rugged design with an aluminum shell and included case.
• Bundled Software: Comes with Equator, ROLI's software synthesizer, and works with other DAWs.
• Expressive Control: Features sliders and an XY pad to fine-tune touch sensitivity.