Usually 3-5 Days. The HX-GX7 Tower of Power mini system, continues JVC's domination of the mini system category. 520 Total Watts. Subwoofer: 180W x 2 min. RMS driven into 6 ohms at 63 Hz; Main Speaker: 80W x 2 min. RMS driven into 6 ohms at 1kHz, with no more than 10% THD. THD at half-rated power: 0.08%(1kHz); Twin Hyper Power-Drive Subwoofers; RhythMax; 5-CD Tray Changer with Play & Exchange System; S.E.A. (3 Modes): ROCK, POP, CLASSIC; Twin Main Woofers.