I tested the JBL Boombox 4 and it's a wonderful party companion — but one minor flaw holds it back from audio perfection The JBL Boombox 4 is a premium party speaker that delivers killer sound with punchy bass and superb battery life. #battery_life #JBL_Boombox #Boombox #party_companion #minor_flaw #flaw_holds #audio_perfection
