About the Morel Maximo Ultra Coax 502 MKII

Rediscover your favourite songs
Rediscover your favourite songs
No matter how many car audio installations I do, listening to high-quality car speakers brings a certain thrill that never goes away — the thrill of the moment when I hear something totally new in an old favourite song. Morel understands how you feel, and their Maximo Ultra Series delivers every bit of Morel's excellence and passion for sound at their most affordable price point.
Maximo sound
Morel engineered their Maximo Ultra 502 Coax MKII 5-1/4" 2-way car speakers to elevate the performance of your audio system, whether it's powered with a factory radio or an aftermarket amplifier. The treated paper composite 5-1/4" woofer cone and soft dome tweeter deliver impressive full-range sound and can handle up to 80 watts RMS. Morel also includes a built-in MXR crossover to deliver an ideal blend of the highs and lows for an incredible stereo image.
Product highlights:
- 2-way 5-1/4" speakers (pair)
- treated paper composite woofer cone with butyl rubber surround
- soft dome textile tweeter
- built-in Morel Crossover Resolution (MXR) crossover
- handles up to 80 watts RMS (140 watts peak power)
- frequency response: 55-20,000 Hz
- sensitivity: 89.5 dB at 2.83 V
- mounting depth: 2-1/16"
- grilles included
- warranty: 1 year
- MFR # 350145-220
What's in the box:
Morel Maximo Ultra Coax 502 MKII owner's manual
- Two 2-way speakers
- 2 Grilles
- 2 Grille frames
- Grille putty
- Eight 1" Screws
- 8 Speed clips
- Two 0.187" Crimp-on female quick slides
- Two 0.110" Crimp-on female quick slides
- Two 0.187" Quick slide insulating covers
- Two 0.110" Quick slide insulating covers
- Installation instructions
- Morel window sticker
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Reviews (4)
Customer reviews for Morel Maximo Ultra Coax 502 MKII
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Average review:
5.0 out of 5 starsCustomer photos
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More details on the Morel Maximo Ultra Coax 502 MKII

Features & specs
General | ||
---|---|---|
Speaker Size | 5 1/4 | |
Design | 2-way | |
Tweeter Design | Dome | |
Impedance (Ohms) | 4 | |
Tweeter Composition | Textile | |
Woofer Composition | Treated Paper | |
Woofer Surround | Rubber | |
Parts Warranty | 1 Year | |
Labor Warranty | 1 Year | |
Specifications | ||
Sensitivity (1W at 1 meter) | N/A | |
Sensitivity at 2.83 volts | 89.5 | |
Frequency Response | 55 - 20k Hz | |
Minimum RMS Wattage | --- | |
Maximum RMS Wattage | 80 | |
Peak Power Handling (Watts) | 140 | |
Top-mount Depth (Inches) | 2 1/16 | |
Bottom-mount Depth (Inches) | N/A | |
Cutout Diameter or Length (inches) | 4 7/16 | |
Mounting Height (Inches) | 0.351 |
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Customer Q&A
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I installed these in my 2004 911 Cab in the front door panels and fit right in with out mods. Sound much better than the stock Bose speakers from 2004. Great advise from Jody to buy these.
Steven from Hollister, CA