Exclusively from Liquid Audio this Arturia KeyStep Pro 37-Key Controller + Resident Audio R100 Headphones bundle is all you need to get started! The Resident Audio R100 Headphones deliver great sound, no matter your application. The R100 uses 40 mm full-range drivers that deliver a frequency response of 20 Hz to 20 kHz. The lightweight, closed-back design and adjustable headband provide a comfortable listening experience for extended periods of time. The R100s full and balanced sound is perfect for the studio or when you are on the go. Combining powerful sequencing abilities with a 37-key, velocity-sensitive keybed with aftertouch, the Arturia KeyStep Pro may be the controller and sequencer you’ve been waiting for. Equipped with USB for use with your software instruments, MIDI for your hardware synths, and CV/Gate/Mod outputs for Eurorack modular synthesizers, there is little the KeyStep Pro cannot control. And with its four-track polyphonic sequencer, dedicated 16-track drum sequencer, and advanced functions like randomization, arpeggiation, and chord modes, it’s clear the KeyStep Pro is definitely not your average keyboard controller. Whether you perform electronic music on stage, or have a wide range of gear in need of a comprehensive controller, you’ll be impressed with the Arturia KeyStep Pro controller and sequencer.