This is a used BEHRINGER POWERPLAY PRO-XL HA4700. As shown in the photos, the main unit is in clean condition with no noticeable scratches or stains. Power-on has been confirmed, and the following operations have been tested: * Output from HEADPHONE OUT 1-4 confirmed for MAIN IN R/L input, no crackling noise. * All knobs function without issue. * All buttons function without issue. ＜Product Contents＞ * BEHRINGER POWERPLAY PRO-XL HA4700 main unit * 1 power cable