JL Audio MM55 Sun Cover-RP Powersport Subwoofers " "reference" and "ultimate" get

" "reference" and "ultimate" get thrown around quite a bit in the Subwoofer world

An "x10" multiplier switch on the Ch

Rear Terminals: Left (+) Right (-) Frequency Response 20Hz - 20kHz Input Sensitivity 150 mV to 12 V Circuit Topology Class Class AD + Class BD (Sub) Efficiency (average) >85% Total Harmonic Distortion (THD+Noise) 4 Ch 4-Ohm: <1

6 L External Width (W) 29 in / 737 mm External Height (H) 14 in / 356 mm External Depth (D) 12

JL Audio MM55 Sun Cover-RP Powersport Subwoofers " "reference" and "ultimate" getReplacement Sun Cover for MM55. Support: USA Limited Warranty: Two (2) years from the original date of purchase Warranty Details