USED FOR A CUSTOMER DEMO. AS NEW IN ORIGINAL BOX. FULL MANUFACTURER WARRANTY.   Mobile 61-key synthesizer keyboard with impressive features. The Korg KROSS 61 is a  new entry-level workstation keyboard and a more robust replacement for the X50, the KROSS 61 boasts a sound engine derived from Krome, a 16-track sequencer featuring Electribe-style editing, two-channel audio recording with unlimited overdub ability, seven simultaneous effects, and AA battery or AC adapter operation. With the KROSS, the sounds and songs that have been created at home and the system that's used every day can travel onto the stage or into the street! With rich full sounds that exceed its class, while remaining highly portable, the KROSS is designed for practical playability. There's a handy mic input and a built-in audio recorder, and it can run on 6 x AA batteries. It's an extraordinary new standard in music workstations, with specifications and style that set it apart from all the others. The unique color and design will project a powerful presence whether performing on stage or anywhere else. The top panel as seen by the user is a sleek black color, while the rear and side panels as seen by the audience use a bold, red layout. The two models feature slightly different design concepts; the 61-key model is made for active mobile use, while the 88-key model features a sophisticated design that looks amazing on stage. The built-in stereo audio recorder can record not just the performance of the KROSS itself, but also the sound of a microphone or external audio input. Users can play backing tracks that they've created, or overdub onto them to create full songs and demos. Audio can also be imported and exported as WAV files using an SD card (sold separately), making it simple to exchange material with a computer. In spite of being loaded with functionality, the KROSS is lightweight and very portable. The 61-key model with its distinctive rear bar is incredibly light; at only 4.3 kg/9.5 lb, it's the most portable in its category. The 88-key model boasts a realistic piano-touch hammer action keyboard into an impressive 12.4 kg/27.3 lbs. Both models are very portable and lightweight, and both can operate on an AC adapter or on six AA alkaline or nickel-metal hydride batteries. Due to its portability, the KROSS can be used in a huge range of situations, and that's why it provides a wide variety of sounds that blows away even the flagship models of the previous generation. The PCM data is roughly twice as large as previous models like the X50 and the PS60. Staples like the frequently-used rock/jazz organ, strings, brass, and synthesizer sounds have been updated. There are also instruments such as toy piano, accordion, combo organ, church organ, and even vintage instruments like a tape sampler, as well as bell-style sounds and the sounds users need for cutting-edge dance music and electronica - one of a kind evocative sounds that have not been included in a synth of this class. Our design goal has been to make KROSS the only instrument users need. While the KROSS provides an extremely wide range of sounds, there are two dedicated dials that allow users to easily get to the sounds they need. First use the category dial to select the broad category like piano, electric piano, organ, bell, synths, bass, or strings. Then turn the select dial to find the specific desired sound. It's a quick way to select the needed sounds without getting distracted by sounds of other styles. The favorites feature lets users register 64 selected sounds or audio songs for single-touch access. Sounds that users have created or that they use frequently can be assigned to four banks of 16 buttons, providing users with a total of 64 sounds that can be recalled with a single touch. This is a big convenience during live performances or song production. Users can also register audio songs and bring them up along with sounds. The EDS-i high-quality sound engine is distilled from the EDS/EDS-X sound engines from Korg’s most advanced instruments. It enables users to use a total of seven effects simultaneously: five insert effects and two master effects. Ranging from standards like delay, reverb, chorus, flanger, and rotary speaker, and also including amp modeling powered by Korg's proprietary "REMS" modeling technology, as well as even a robot voice vocoder, users can choose from 134 different high-quality effects. Dedicated buttons are provided for Layer/Split settings. Begin by choosing the first desired program; then press the dedicated button to turn on Layer or Split. Once this is on, a screen will appear in which users can select the other sound and set details like the split point. Then simply write the settings and the layer/split sound will be saved as a Combination. Features Stylish and distinctive red and black two-tone color design The lightweight body is only 4.3 kg/9.5 lbsCan be powered by 6x AA batteries Piano, electric piano, and drum sounds that exceed its class A wide variety of sounds that utilize twice as much PCM memory as previous instruments, and meet the needs of a broad range of musical styles Sound Selector makes it easy to find the sound you're looking for Favorites function lets you register 64 selected sounds or audio songs for one-touch access - a great feature for live performances Pro-quality EDS-i sound engine built-in, with a total of seven effects available for simultaneous use External input jacks allow a mic or external audio source to be directly connected. Quick Layer/Split function for on-the-fly versatility Stereo audio recorder allows you to record and overdub your performances and vocals Step sequencer inherited from the Electribe, a 16-track MIDI sequencer, a drum track, and an arpeggiator Connects to your computer via USB for plug-in integration with your favorite DAW