Realistic Concertmate 650 Sampling Keyboard (Casio SK-5 Clone). Condition is Used in excellent condition w/box and manual. 
Shipped with UPS Ground. Lower 48 States only. 

SPECIFICATIONS

Model: SK-5 same as Realistic Concertmate 650

Number of keys: 32 keys (mini)

Polyphonic: 4-note polyphonic

Preset tones: 8 (piano, vibraphone, dog, surf, trumpet, pipe organ, chorus, flute)

Auto-rhythm: 10 (rock 1 - 2, disco 1 - 2, 16 beat, march, bossa nova, samba, slow rock, waltz)

Real-time memory: 496 steps

Rhythm source: Pulse Code Modulation

Sampling rate: 8-bit

Sampling time:

0.7-second sampling (x4)

1.4-second sampling (x2)Sample tune: ±1 octave

Terminals: Line out: Output impedance 68 Ω Output voltage 1.6 V (RMS) max.

Mic: Input impedance 10 kΩ Input sensitivity 4 mV

Line in: Input impedance 100 kΩ Input sensitivity 100 mV

Built-in speakers: 8 cm dia. (output: 1 W)

Built-in pads:

4 sample pads

4 rhythm pads (lion, laser gun, hi bongo, low bongo)

Auto power off function: approximately 7 minutes after last operation

Power source: 5 AA-size dry cells, AC adaptor AD-1 (option) or car adaptor CA-1 (option)

Standard battery life: approximately 8 hours

Power consumption: 1.8 W

Item Dimensions: 470(W) x 169(D) x 47(H)mm

Item Weight: 1.3 Kg (2.9 lbs)

Package Dimensions: 520(W) x 200(D) x 80(H)mm

Total Weight: 3kg (7 lbs)