GMR-2.5 - Uncategorized MB QUART - Free user manual and instructions
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| Product Type | Marine Coaxial Speaker |
| Brand | MB Quart |
| Model | GMR-2.5 |
| Speaker Size | 2.5 inches |
| Component Configuration | Coaxial 2-way |
| Impedance | 4 Ohms |
| Power Handling (RMS) | 30 Watts |
| Power Handling (Peak) | 60 Watts |
| Frequency Response | 100 Hz - 20 kHz |
| Sensitivity | 85 dB |
| Woofer Material | Polypropylene cone with rubber surround |
| Tweeter Type | PEI dome |
| Mounting Diameter (Cutout) | 2.0 inches (51 mm) |
| Mounting Depth | 1.3 inches (33 mm) |
| Product Dimensions (Diameter x Depth) | 2.6 x 1.4 inches (66 x 36 mm) |
| Weight | 0.3 lbs (136 g) |
| Marine Grade | UV-resistant and waterproof (meets IP65) |
| Included Items | 2 speakers, grilles, mounting hardware, wire connectors |
| Recommended Amplifier Power | Up to 60W per channel |
| Installation | Flush mount or surface mount |
| Maintenance | Clean with mild soap and water; avoid harsh chemicals |
| Safety | Disconnect power before installation; professional installation recommended |
| Spare Parts and Repairability | Replaceable grilles; cone and tweeter not user-serviceable; contact authorized dealer for service |
| General Information | Designed for boats and marine environments with corrosion-resistant components |
Frequently Asked Questions - GMR-2.5 MB QUART
Are the MB Quart GMR-2.5 speakers truly waterproof?
Yes, the GMR-2.5 speakers are designed for marine environments. They meet IP65 standards, meaning they are protected against water jets and dust. However, avoid prolonged submersion.
What is the recommended mounting hole size?
The required cutout diameter for each speaker is 2.0 inches (51 mm). Ensure the mounting surface is at least 1.3 inches (33 mm) deep to accommodate the speaker.
Can I connect the GMR-2.5 speakers directly to a car radio?
Yes, they can be connected to any stereo or amplifier that delivers up to 30 watts RMS per channel at 4 ohms. For optimal performance, a small 2-channel amp is recommended.
What is the difference between RMS and peak power?
RMS power is the continuous power the speaker can handle, while peak power is the maximum short burst. The GMR-2.5 handles 30W RMS and 60W peak, so choose an amplifier that provides no more than 30W RMS per channel to avoid distortion.
How do I clean the GMR-2.5 speakers?
Use a soft cloth with mild soap and water to clean the grille and cone. Avoid solvents or abrasive cleaners, as they may damage the marine-grade materials.
Can the GMR-2.5 be installed on a jet ski or PWC?
Yes, their compact size and IP65 waterproof rating make them suitable for personal watercraft. Ensure the speaker cables are sealed with waterproof connectors to maintain protection.
Are mounting grilles included in the box?
Yes, each GMR-2.5 speaker package includes two grilles and the necessary mounting hardware, making installation straightforward.
What type of speaker wire should I use?
We recommend using 16 to 18 gauge marine-grade wire for distances up to 15 feet. For longer runs, use 14 gauge wire to minimize power loss.
Is the GMR-2.5 suitable for outdoor patios or pool areas?
Absolutely, their UV-resistant and waterproof construction makes them ideal for covered and fully exposed outdoor installations, as long as the terminals are properly sealed.
How can I replace a damaged grille?
The grilles are replaceable and can be ordered from an authorized MB Quart dealer. Simply remove the old grille and snap the new one into place, no special tools required.
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USER MANUAL GMR-2.5 MB QUART
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Product information
Brand : MB QUART
Model : GMR-2.5
Category : Uncategorized