Thunder 681 - Loudspeaker MTX Audio - Free user manual and instructions
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| Product Type | Car Audio Coaxial Speaker |
| Brand | MTX Audio |
| Model | Thunder 681 |
| Speaker Size | 6 in. x 8 in. (oval) |
| Impedance | 4 ohms |
| Power Handling (RMS) | 100 watts |
| Power Handling (Peak) | 300 watts |
| Frequency Response | 45 Hz – 20 kHz |
| Sensitivity | 92 dB |
| Woofer Material | Polypropylene cone with rubber surround |
| Tweeter Type | 1 in. Mylar dome tweeter |
| Mounting Depth | 2.5 in. (63.5 mm) |
| Mounting Cutout | 5.5 in. x 7.5 in. oval |
| Weight | 1.5 kg (3.3 lbs) each |
| Protection | Polypropylene cone resists moisture and UV |
| Installation | Use included hardware for secure mounting |
| Maintenance | Clean with a dry cloth; avoid liquids |
| Compatibility | Works with most car stereo systems (4-8 ohm stable) |
| Repairability | Contact MTX for replacement parts or service |
Frequently Asked Questions - Thunder 681 MTX Audio
What are the dimensions of the MTX Thunder 681 speaker?
The MTX Thunder 681 is an oval 6x8 inch speaker. The mounting cutout is 5.5 x 7.5 inches, and the mounting depth is 2.5 inches.
What is the power handling of the Thunder 681?
It handles 100 watts RMS and up to 300 watts peak power.
What is the impedance of this speaker?
The impedance is 4 ohms, making it compatible with most car audio amplifiers.
Does the Thunder 681 include a tweeter?
Yes, it features a 1-inch Mylar dome tweeter for extended high-frequency response.
What is the frequency response range?
The frequency response ranges from 45 Hz to 20 kHz.
How sensitive is the Thunder 681?
The sensitivity is 92 dB, ensuring efficient sound output from moderate power.
Can I use the Thunder 681 in a marine environment?
While not specifically marine-rated, the polypropylene cone is moisture resistant. Avoid direct water exposure.
How do I clean the speaker?
Clean the speaker with a dry, soft cloth. Do not use water or cleaning solvents.
What is the warranty on MTX Thunder 681 speakers?
MTX typically offers a 1-year warranty from the date of purchase. Check your local dealer for details.
Can I replace the tweeter or woofer separately?
The speaker is a coaxial unit and is not designed for field repairs. Contact MTX customer service for service options.
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USER MANUAL Thunder 681 MTX Audio
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Product information
Brand : MTX Audio
Model : Thunder 681
Category : Loudspeaker