JL 688
Tweeter: Flat Ribbon Speaker(平板铝带式高音) x 2;
Alto unit: 5″x 2;
Woofer:8″x 6;
Recomended Amp Power:Normal 400W Max 800W;
System Frequency Response:60Hz--41KHz;
Sensitivity:97±3dB;
Impedance:8 Ohms;
Installation size(W*H*D):276mmW×2032mmH×145mmD;
Dimensions(W*H*D):312mmW×2108mmH×160mmD;