JBL Partybox 310 vs SONY XP500 | Bass Test Comparison
JBL Partybox 310 - 35% Volume , Bass Boost OFF SONY XP500 - 40% Volume , MEGA BASS OFF , STAMINA Mode OFF
JBL Partybox 310 - 35% Volume , Bass Boost OFF SONY XP500 - 40% Volume , MEGA BASS OFF , STAMINA Mode OFF