GROUND ZERO GZUK 165SQ 180 Watts 6.5″ Sound Quality MidwooferGROUND ZERO GZUK 165SQ 180 Watts 6. 5 Sound Quality Midwoofer 180 Watts max 6. 5 sound quality midwoofer with GZ aluminum cast basket and aluminum cone 6. 5 sound quality midwoofer 50 mm 2 copper voice coil Black anodized aluminum cone Linearized neodymium motor GZ design aluminum cast basket Universal 4 ohms version Incl. GZ designprotection grill Gold plated screw terminal 1 pair package Model Sound quality midwoofer Diameter 165 mm 6. 50 Power