The MR8ND is a waterproof speaker designed for use in marine environments. The MR8ND is a 8” speaker that has been designed to withstand the harshest of environmental conditions and survive the roughest of play. This speaker will not only sound great but it will look great at the same time with its sleek black and yellow finish.

Features:

Nominal Diameter: 8" Inch
Nominal Impedance: 8 Ohm
RMS Power: 375 W
MAX Power: 850W
Sensitivity (1w/1m): 93dB
Frequency range: 58Hz - 9K Hz
Voice Coil Diameter: 2" Inch
Air Gap Height: 1/4" Inch

Thiele & Small Parameters:

Resonant Frequency, FS: 58 Hz
D.C. Voice Coil Resistance, Re: 6 Ohm
Mechanical quality factor, QMS: 6.65
Electrical quality factor, Qes: 0.31
Total Quality Factor, Qts: 0.29
Equivalent Air Volume to Cms, Vas: 20.08L
Mechanical Compliance, Cms: 314 uM/N
Mechanical Resistance, Rms: 1.29 Kg/s
BL Factor, BL: 9.84 N/A
Effective Surface Area, Sd: 21.4m M
Linear Excursion, Xmax: 3/32" Inch

Materials:

Basket: Steel
Cone: Keviar
Surround: Rubber
Voice Coil Wire: CCAR
Voice Coil Bobbin: Kapton
Magnet: NdFeB

Mounting Information:

Overall Diameter: 8- 9/32" Inch
Bolt Circle Diameter: 7-3/4" Inch
Baffle Cutout Diameter: 7-7/32" Inch
Depth: 3-9/16" Inch
Net weight: 2.1Kg (~3.75 lb)

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MR8ND Marine 8” Waterproof Midrange Speaker 850 Watts (8-ohms)