MR52B/MR52W
Installation Instructions
5.25” (133 mm) Marine
2-Way Full Range Speakers (1 Pair)
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Thank you for purchasing a BOSS Audio Systems product. Please read through these
instructions carefully so you will know how to install this product properly.
Package contents
• 2x Speakers (with xed grill)
• 8x Mounting screws and clip nuts
• 2x EVA gaskets
• Cutout template and warranty
Specications
• 2-way speaker, full range
Woofer: 5.25” (133 mm),
polypropylene cone, resin treated cloth surround
Tweeter: 13 mm, dome
• Output power: max 150 W
• Nominal impedance: 4 Ω
• Frequency response: 80 Hz-20 kHz
• System sensitivity: 89 dB (1 watt/1 meter)
• Outdoor use. Water resistant, but never
submerge.
Speaker dimensions
A
B
C
D
E
A. Overall diameter: 6.06” (154 mm)
B. Mounting hole diameter: 4.92” (125 mm)
C. Mounting depth: 2.13” (54 mm)
D. Grill protrusion: 1.10” (28 mm)
E. Outer motor diameter: 3.90” (99 mm)
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