jeje gracias por conestar..
a ver despoues e ver bien los que puse ahi me kedo solo con 3 dudas
1-1.M-AUDIO OXYGEN 49
https://www.thomann.de/es/maudio_oxygen_49.htm
M-Audio Oxygen 49 - MIDI/USB keyboard with velocity sensitive full size keys, 8 controller knobs, 9 fully assignable MIDI sliders, 15 assignable buttons including 6 transport buttons. Integrated USB/MIDI interface. Compatible with Windows XP and MAC OS X. 119euros
-2-EVOLUTION MK449 C
https://www.thomann.de/es/evolution_mk44 ... yboard.htm
Evolution MK449 C USB-MIDI-Controller Keyboard with 49 dynamic keys, 8 rotary controls (rotary potentiometers) , 9 assignable fader controllers, Pitchbend/Modulation Wheel, Sustain Pedal Connector, incl. , WITHOUT Power Supply - Power by USB, incl. USB-Cable 115 euros
BEHRINGER U-CONTROL UMX 49
https://www.thomann.de/es/behringer_ucontrol_umx_49.htm
BEHRINGER U-Control UMX 49, velocity-sensitive USB/MIDI keyboard featuring 49 full-size keys, 8 real-time rotary controls plus 10 assignable switches, freely assign MIDI control changes to the modulation wheel, volume fader and pedal port, USB/Audio interface, 50 virtual instruments and Ableton Live Lite 4 included, runs via USB bus, batteries or a power adapter (not included), plug and play for WIN XP and MAC OSX 122 euros
destos 3 aconsejais alguno en partikular o da igual?el que mas rabia me dee?