STAGE   1

STAGE   2

STAGE   3

STAGE   4

STAGE 1 -  WILL HANDLE MOST SUBS WITH 250-350 WATT POWER HANDLING AND 5-6 INCH MOUNTING DEPTH
- USES NORMAL QUALITY RESIN AND FIBERGLASS COMPONENTS   EX  - JL W0, JLW1, ALPINE TYPE S

STAGE 2 -  WILL HANDLE MOST SUBS WITH 350-500 WATT POWER HANDLING AND 6 -7 INCH MOUNTING DEPTH
- USES OUR PREMIUM RESIN AND FIBERGLASS COMPONENTS   

EX  - JL W1, JLW3, ALPINE TYPE R

STAGE 3 -  WILL HANDLE MOST SUBS WITH 500-600 WATT POWER HANDLING AND 7 -8 INCH MOUNTING DEPTH
- USES OUR PREMIUM RESIN AND FIBERGLASS COMPONENTS WITH THICKER SIDE WALLS AND CONSTRUCTION
EX  - JL W3, JLW6, ALPINE TYPE R, IMAGE DYNAMICS ID MAX

STAGE 4 -  WILL HANDLE MOST SUBS ABOVE 600 WATTS RMS AND 8 INCH PLUS MOUNTING DEPTH
- USES OUR PREMIUM RESIN AND FIBERGLASS COMPONENTS WITH THICKER SIDE WALLS AND CONSTRUCTION. ALSO IS DOUBLE LAYERED FOR ULTIMATE POWER HANDLING AND NO FLEXING.
EX  - JL W7, ALPINE TYPE X, ORION, HIFONICS, SOUNDSTREAM SPL