Yamaha's reface series of mobile mini keyboards offer recreations of legendary Yamaha keyboards, in compact 37-key form factors. Thanks to their small size, the reface keyboards are easy to grab and take with you on the road so you're ready whenever inspiration strikes. Plus, reface keyboards feature Soundmondo integration, allowing you to discover, connect, and share reface voices with the world.The reface CS is an analog modeling synthesizer designed for simple control while providing complex and unique sounds. The Analog Physical Modeling Engine provides multiple synthesis and oscillator types that have flexible LFO and ADSR routing plus unique Texture and Mod controls that work as follows:Multi-SawTexture: Adds sub-oscillatorMod: Layers multiple sawtooth wavesPulseTexture: Changes pitch of second pulse waveMod: Changes pulse widthOscillator SyncTexture: Changes pitch and tone of second oscillatorMod: Sets pitch change amountRing ModulationTexture: Changes pitch of first oscillatorMod: Changes pitch of second oscillatorFMTexture: Sets modulation amountMod: Changes pitch of the modulatorThere is also an onboard effects processor that allow you to further tweak and customize the sounds on the reface CS, including Delay, VCM Phaser, VCM Chorus/Flanger, and Distortion. This synth is equipped with 8-note polyphony to allow for complex chords and pads, or if you switch over to Mono mode you can get fat synth bass or solo leads easily.Yamaha reface CS Includes:AC AdapterMIDI breakout cableOwner's ManualWarrantyYamaha reface CS Features:Keyboard: Based on the FS action found on the flagship Motif XF, HQ (High Quality) mini keys provide premium feel and response for fast, accurate, and natural playingLooper: The integrated phrase looper allows you to capture song ideas or just jamPedal: Continuous controller pedal input for volume controlSpeakers: 2W 3 cm stereo speaker system lets you play any place, any time. Specially designed bass reflex port technology enhances bass response for full, rich soundBattery Powered: Uses six "AA" batteries with five hours of lifeUSB: USB "TO HOST" allows MIDI connectivity to your USB-equipped computer or iOS deviceAudio Output: Dual 1/4" unbalanced line outputs provide connection to mixers, audio interfaces, DI boxes, and moreAudio Input: A 1/8" (3.5 mm) aux line input lets you connect and hear mobile devices, tablets, and more through the instrumentSoundmondo Integration: Soundmondo is a free sound sharing community that lets you discover, create, and share reface Voices and Set Lists using Google Chrome. Powered by Web MIDI, Soundmondo is easy to use - just connect reface to Chrome and you're ready to create or start browsingYamaha reface CS Specifications:Amplifiers and Speakers:Amplifiers: 2W x2Speakers: 3 cm x2Power Supply:Power Consumption: 6 W (when using PA-130 power adapter)Battery Life: Approx. 5 hoursAuto Power Off: YesPower Supply:Adapters: PA-130 or an equivalent recommended by YamahaBatteries: Six "AA" size batteries or Ni-MH rechargeable batteriesVoices:Number of Types: 5 OSC TypesEffects: Distortion, VCM Chorus/Flanger, VCM Phaser, DelayDimensions (WxHxD): 20-7/8" x 2-3/8" x 6-7/8" (530 x 60 x 175 mm)Keyboard:Number of Keys: 37 keysType: HQ miniInitial Touch: YesTone Generation:Maximum Polyphony: 8Engine: AN (Analog Physical Modeling)Other Features:Phrase Looper: YesConnectivity:DC IN: DC IN (12 V) jackHeadphones: 1/4" (6.3 mm) stereo phone jackMIDI: mini-DIN In/OutAux In: 1/8" (3.5 mm) mini stereo phone jackOutput: L/MONO, R 1/4" (6.3 mm) TS phone jack, unbalancedUSB To Host: USB (TO HOST)Pedal:Type: Foot Controller FC7 (sold separately) to adjust the volume Yamaha REFACE CS 37-Key Mobile Mini Analog Modeling Synthesizer.