Wholesale Yamaha PSR-S550 Keyboard Price: 1800 yuan Detailed performance parameters Keyboard: 61-key Touch source: AWM stereo sampling tone maximum polyphony: 64 tones: to 294 tones +12 +10 drum sound effects +480 XG Voices (including 11 kinds of local sounds and 8 local percussion) Advanced Tone: 13 live! sounds, the 16 kinds Cool! sound, 11 kinds of sweet! sound effects: 44 kinds of chorus effect, 35 kinds of reverb, 237 DSP 5 preset equalizer and sound types: 26 automatic accompaniment: 176 species (including four kinds of Arabic rhythms, Indian rhythm, two kinds of rhythm, two kinds of Mexican rhythm, three kinds of Latin rhythms, Brazilian rhythm ) the accompaniment constitute: prelude x3 + Variations x4 + interlude x4 + the End x3 chord recognition: refers to the single / multi-fingered Auto / Full Keyboard One Touch Setting: four kinds / Rhythm Music Database: 600 song Registration Memory: 8 Memory button (8x8 library = 64 memory) paced editing functions: recording modes: fast recording / recorded multitrack recording tracks: 16 tracks the melody + track automatic accompaniment, store up to approximately 30,000 notes (when only the melody track recording) ; store up to about 5,400 chords (when only accompaniment track recording) User Songs: 5 score display function: built-in song: 5 preset demo songs + User Songs + USB Flash Compatibility: XG / GM / XF / SFF the format overall control speed :11-280 Transpose: -12 to +12 tuning: 4415.3 - 440 - 466.2Hz range :1-12 octave pitch bend wheel lift: Panel Sustain: Poly / Mono control: beat : Pitch Bend wheel x 1 built-in flash memory: 800k (store up to approximately 30,000 notes) external storage device (optional): via USB-DEVICE interface USB-MIDI interface x 1 USB-Device interface x 1 headphone / audio output interface x 1 Sustain Pedal x 1 power connector x 1 Display: 320 x 240 backlit LCD black-and-white dot-matrix LCD display, adjustable contrast speaker speaker power: 12W x 2 Speaker size: (12cm +3 cm) the x2 power adapter: PA -300 speaker system: 2-way bass reflex Dimensions: 946x402x130mm Weight: 7.5kg accessories: PA-300 power adapter, manual, music stand, CD-ROM. Our company mainly operating brands: Pearl River Xinghai Yamaha, Kawai, Casio, MEDELI, Roland; company mainly engaged in: piano, organ, electric piano, digital piano, accordion, electronic drums, synthesizer, Piccolo gift: zither. piano package. piano cover headphones. transfer interface. piano stool piano to take piano cleaning cloth, the pedal wipe piano gloves, free mixer 2, Genius cards, brochures, qualified card, if quality problems, the January Baotuibaohuan, three-year warranty! Maintenance of life. Note: other models join the customer service QQ: 2825187278 Tel: 13823518078 Contact: Mr. Li