Expert Answers about Marine Speakers

• Mounting Hole Spacing Of The Quest Marine Speakers # 292-100161
• The mounting holes for the Quest Marine Speaker # 292-100161 are 6-3/8" from center to center. There is not a seal of the back of the unit so I recommend using some butyl tape # AL28KV on the back to prevent water from leaking through. We do not currently have grills available for this speaker but do offer a wide variety of speakers that come with grills if you could provide me with the size of the cutout hole you're placing the speaker in.
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• Can JWM70A Use Powered Subwoofer With RCA Outputs
• Yes, Jensen RV Stereo # JWM70A can indeed use the RCA output Jensen Enclosed Amplified Marine Subwoofer # JMPSW800. The existing speakers will still work, and use the variable output.
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