JL Audio M7-12IB-S-GmTi-i-4 12″ marine subwoofer 4 Ω, Sport grille, titanium/gunmetal, RGB LED

Description

Type: 12″ moisture-resistant subwoofer with LED lighting
Power (RMS): 600W
Impedance: 4 Ω
Nominal diameter: 12.00 / 300 mm
Overall diameter: 14.00 / 356 mm
Bolt circle diameter: 12.813 / 325 mm
Front grille protrusion*: 1.48 / 38 mm
Cutout diameter: 12.0625 / 306 mm
Mounting depth: 7.94 / 202 mm
Driver displacement: 0.148 cubic feet / 4.19 litres

Other parameters
Free Air Resonance (Fs) 35.34 Hz
Electrical “Q” (Qes) 0.856
Mechanical “Q” (Qms) 10.389
Total Speaker “Q” (Qts) 0.791
Equivalent Compliance (Vas) 1.99 cu ft / 56.35 L
One-Way Linear Excursion (Xmax)* 0.73 in / 18.5 mm
Reference Efficiency (no) 0.28%
Efficiency (1 W / 1 m)** 86.7 dB SPL
Effective Piston Area (Sd) 80.54 sq in / 0.052 sq m
DC Resistance (Re) 3.543 Ω