Roland E-A7 61-key Arranger Keyboard Features: 61-key arranger keyboard designed for gigging songwriters Over 1,500 essential instrument sounds including pianos and EPs, organs, strings, brass, and more Wide range of backing styles, including world styles from Asia, Europe, South America, and the Middle East Fast, simple operation thanks to 156 dedicated function buttons 7 assignable buttons for instant access to your most-needed functions 6 phrase pads for triggering one-shot audio samples and MIDI phrases Logical dual-screen layout shows you backing styles on the left and instrument sounds on the right 7 faders for instant volume control over each instrument part Mic input with dedicated vocal effects Music player supports WAV, MP3, and MIDI files, with Center Cancel function for vocal removal Import your own samples for custom instrument sounds Portable and lightweight at just 17.5 lbs. Tech Specs Number of Keys: 61 Type of Keys: Velocity sensitive Polyphony: 128 Presets: 1500 tones, over 100 drum kits Effects Types: Reverb, chorus, MFX, EQ, compressor Audio Recording: WAV format, 16-bit/44.1kHz Audio Inputs: 2 x 1/4" (line/mic), 1 x 1/8" (aux in) Audio Outputs: 2 x 1/4" (left, right), 1 x 1/4" (headphones) USB: USB Type A (flash memory drive), USB Type B (to host) MIDI I/O: In/Out Pedal Inputs: 3 x 1/4" (hold, expression, control) Built-in Speakers: Yes Power Supply: AC adapter included Height: 5.37" Width: 41.18" Depth: 12.56"