1. Úvod
Thank you for choosing the Massive Audio GTR64 6.5-inch Dual 4 Ohm Subwoofer. This manual provides essential information for the proper installation, operation, and maintenance of your new subwoofer. Designed for exceptional sound quality and performance, the GTR Series subwoofers are built with durable components to enhance your car audio experience. Please read this manual thoroughly before installation and use to ensure optimal performance and longevity of your product.
2. Klíčové vlastnosti
The GTR64 subwoofer incorporates advanced design and materials for superior audio reproduction:
- Heavy Gauge Steel Basket: Features industrial texture painting for durability and aesthetic appeal.
- Dual Stacked High Flux Y30 120oz Strontium Ferrite Magnets: Provides powerful motor force for dynamic bass response.
- Dual Impedance / 1.5" Hi-Temp Voice Coil: Manufactured in the USA for reliable performance under demanding conditions.
- Custom High Roll Foam Surround: Designed with the Massive Audio logo, ensuring optimal cone excursion and longevity.
- Textured Non-Pressed Pulp Cone with Resin: Delivers accurate and responsive bass.
- High-Quality Spring Spider: Ensures precise cone movement and stability.
- High-Grade Woven Tinsel Leads: Connects to a custom terminal case with flexible pure copper wire for efficient power transfer.
3. Obsah balení
Po vybalení se prosím ujistěte, že jsou všechny položky přítomny a v dobrém stavu:
- 1 x Massive Audio GTR64 6.5-inch Dual 4 Ohm Subwoofer
- Návod k použití (tento dokument)

Image 3.1: The GTR64 subwoofer is securely packaged in a branded box, ensuring protection during transit.
4. Nastavení a instalace
Správná instalace je klíčová pro výkon a dlouhou životnost vašeho subwooferu. Doporučuje se, aby instalaci provedl kvalifikovaný odborník.
4.1 Doporučení pro krytí
The GTR64 subwoofer can be used in both ported and sealed enclosures. The optimal enclosure type and size will depend on your desired sound characteristics and vehicle acoustics.
- Ported Box: A recommended ported box measures approximately 7.9" H x 15" D x 8.7" W. Ported enclosures generally provide higher output and deeper bass extension.
- Zapečetěná krabice: A recommended sealed box volume is approximately 0.35 cubic feet. Sealed enclosures typically offer tighter, more accurate bass response.
Consult with an audio specialist or refer to detailed enclosure design guides for precise measurements and tuning for your specific application.
4.2 Zapojení kabeláže
The GTR64 features a dual 4 Ohm voice coil. Proper wiring to your amplifier is essential to achieve the desired impedance and maximize performance. Common wiring configurations include:
- Paralelní zapojení (zátěž 2 ohmy): Connect the positive terminals of both voice coils together, and the negative terminals of both voice coils together. Then connect these to the amplifier's positive and negative outputs respectively. This configuration results in a 2 Ohm load, suitable for amplifiers stable at this impedance.
- Sériové zapojení (zátěž 8 ohmů): Připojte kladný pól jedné kmitací cívky k zápornému pólu druhé kmitací cívky. Poté připojte zbývající kladný a záporný pól k amplifier's positive and negative outputs respectively. This configuration results in an 8 Ohm load.
Vždy se ujistěte, že vaše ampsubwoofer je stabilní při zvolené impedanci. Nesprávné zapojení může poškodit subwoofer i reproduktor. ampživější.

Image 4.1: The GTR64 subwoofer's robust magnet structure and voice coil assembly, designed for high power handling.
5. Návod k obsluze
Po instalaci dodržujte tyto pokyny pro optimální provoz:
- Počáteční zapnutí: After installation, turn on your audio system at a low volume. Gradually increase the volume and check for any distortion or unusual noises.
- Nastavení zesílení: Upravte nastavení zesílení na vašem amplifier carefully. The gain control is not a volume knob; it matches the output voltagvaší hlavní jednotky na vstupní citlivost amplifier. Set it to the lowest point where you achieve maximum clean output without distortion.
- Nastavení přechodu: Použijte nízkopásmový filtr (LPF) na vašem amplifier or head unit to send only low frequencies to the subwoofer. A common starting point for the LPF is 80-100 Hz.
- Doba záběhu: Allow a break-in period of approximately 10-20 hours of normal listening before operating the subwoofer at high volumes. This allows the suspension components to loosen up and reach their optimal performance.
- Zabraňte zkreslení: Always listen for signs of distortion. If you hear distorted sound, reduce the volume immediately. Prolonged operation with distorted signals can damage the subwoofer.

Image 5.1: The GTR64 subwoofer's cone and surround, designed for optimal sound dispersion and durability.
6. Údržba
The GTR64 subwoofer requires minimal maintenance to ensure long-lasting performance:
- Čištění: K otření membrány a obvodu subwooferu použijte měkký, suchý hadřík. Nepoužívejte agresivní chemikálie ani abrazivní čisticí prostředky.
- Inspekce: Periodically inspect the subwoofer for any signs of damage to the cone, surround, or wiring connections. Ensure all mounting screws are secure.
- Prostředí: Chraňte subwoofer před extrémními teplotami, přímým slunečním zářením a vlhkostí.
7. Řešení problémů
If you encounter issues with your GTR64 subwoofer, refer to the following common problems and solutions:
| Problém | Možná příčina | Řešení |
|---|---|---|
| Žádný zvuk |
|
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| Zkreslený zvuk |
|
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| Slabý basový výstup |
|
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If the problem persists after attempting these solutions, please contact Massive Audio customer support or a certified car audio technician.
8. Specifikace
Detailed technical specifications for the Massive Audio GTR64 Subwoofer:
| Funkce | Detail |
|---|---|
| Název modelu | HIPPOXL124 (Note: Product title refers to GTR64, model name from specs is HIPPOXL124. Assuming GTR64 is the series/marketing name for this model.) |
| Typ reproduktoru | Subwoofer |
| Doporučená použití | For Car Audio |
| Průměr basového reproduktoru | 6.5 palce |
| Impedance | Duální 4 Ohmy |
| Výkonový rozsah RMS | 200W-400W (300W ideal) |
| Špičkový výkon | 600W |
| Hlasová cívka | 1.5" Hi-Temp, Dual Impedance |
| Typ magnetu | Dual Stacked High Flux Y30 120oz Strontium Ferrite |
| Kuželový materiál | Textured Non-Pressed Pulp with Resin |
| Surround materiál | Custom High Roll Foam |
| Materiál košíku | Heavy Gauge Steel |
| Odstup signálu od šumu | 70 dB |
| Technologie připojení | Kabelové |
| Rozměry produktu | 9 x 9 x 9 palce |
| Hmotnost položky | 10.38 libry |
| Výrobce | Massive Audio |
| UPC | 623169611100 |
9. Produktové video
Watch the official Massive Audio promotional video to see the GTR series subwoofers in action and learn more about their design and performance capabilities.
Video 9.1: An official promotional video from Massive Audio showcasing the features and performance of their subwoofers, including design elements and installation examples.
10. Záruka a podpora
The Massive Audio GTR64 Subwoofer comes with a Limited Warranty. Please refer to the warranty card included with your product for specific terms and conditions.
For technical support, troubleshooting assistance, or warranty claims, please contact Massive Audio customer service through their official webwebu nebo kontaktních informací uvedených na obalu produktu.
Výrobce: Massive Audio
Webmísto: Visit the Massive Audio Store on Amazon