1. Uvod
Thank you for choosing the Ground Zero GZNA 2800XII 2-Channel Ampspašivač. Ovaj priručnik pruža bitne informacije za pravilnu instalaciju, rad i održavanje vašeg amplifier. To ensure optimal performance and safety, please read these instructions thoroughly before attempting to install or operate the unit. Keep this manual for future reference.
2. Sigurnosna uputstva
- Preporučena profesionalna instalacija: Due to the complexity of car audio systems and the high power output of this amplifier, professional installation by a qualified technician is strongly recommended.
- Napajanje: Ensure the vehicle's electrical system can support the amplifier's power requirements. Incorrect wiring can lead to fire, injury, or damage to the ampspasilac i vozilo.
- uzemljenje: Always connect the ground terminal securely to a clean, unpainted metal surface of the vehicle chassis. A poor ground connection can cause noise or malfunction.
- Zaštita osigurača: Install an appropriate fuse (not supplied) on the power cable as close to the vehicle battery as possible. Refer to the specifications for recommended fuse ratings.
- Izbjegavajte vlagu i toplinu: Nemojte izlagati amplifier to moisture, water, or extreme temperatures. Install it in a dry, well-ventilated area.
- Sigurna montaža: Montirajte amplifier securely to prevent it from coming loose during sudden stops or accidents.
- Provođenje kablova: Route all cables carefully to avoid pinching, chafing, or interference with vehicle controls. Keep power cables separate from signal cables to minimize noise.
- Nivoi glasnoće: Dugotrajno izlaganje visokim nivoima jačine zvuka može uzrokovati oštećenje sluha. Odgovorno podešavajte jačinu zvuka.
3. Proizvod je gotovview
The Ground Zero GZNA 2800XII is a high-performance 2-channel amplifier designed for car audio applications, capable of delivering up to 2800 Watts of maximum power. Its robust design ensures reliable operation and excellent sound reproduction.

Slika 1: Top view of the Ground Zero GZNA 2800XII 2-Channel Amplifier. The amplifier features a dark blue top panel with the 'GROUND ZERO NUCLEAR HIGH POWER AMPLIFIER' logo, and silver-colored heatsink fins on the sides. A small, separate black power module is visible in the upper left corner, indicating a robust power supply design.

Slika 2: Interni view of the Ground Zero GZNA 2800XII amplifier with the top cover removed, revealing the circuit board. The orange PCB is densely populated with high-quality components, including large toroidal transformers, numerous capacitors, and power transistors, indicating a high-current, high-power design for stable and efficient operation.
4. Postavljanje i instalacija
Pravilna instalacija je ključna za performanse i dugotrajnost vašeg amplifier. Always disconnect the vehicle's battery negative terminal before starting any electrical work.
4.1. Lokacija montaže
- Odaberite suho, dobro prozračeno mjesto, dalje od direktne sunčeve svjetlosti i izvora topline.
- Osigurajte dovoljan protok zraka oko amplifier's heatsink fins for proper cooling.
- Montirajte amplifier securely to a solid surface using appropriate hardware.
4.2. Priključci za napajanje
- Power Cable (B+): Run a heavy-gauge power cable directly from the positive terminal of the vehicle's battery to the amplifier's B+ terminal. Install an in-line fuse holder with an appropriate fuse (refer to specifications) within 18 inches (45 cm) of the battery.
- Uzemljeni kabel (GND): Spojite debeli kabel za uzemljenje iz amplifier's GND terminal to a clean, unpainted metal point on the vehicle chassis. The ground cable should be as short as possible, ideally less than 3 feet (1 meter).
- Kabl za daljinsko uključivanje (REM): Connect a smaller gauge wire from the amplifier's REM terminal to the remote turn-on output of your head unit. This signal turns the ampuključivanje i isključivanje sistema za podizanje plamena pomoću audio sistema vašeg automobila.
4.3. Ulaz signala
- Connect RCA cables from your head unit's pre-out outputs to the ampRCA ulazne priključke kompanije Lifer.
- Ensure proper channel matching (Left to Left, Right to Right).
4.4. Izlaz zvučnika
- Povežite zvučnike na ampIzlazne terminale zvučnika uređaja Liferier. Obratite pažnju na ispravan polaritet (+ na + i - na -).
- Ensure the speaker impedance matches the amplifier's recommended load.
5. Uputstvo za upotrebu
Jednom amplifier is correctly installed, follow these steps for initial setup and operation:
- Početno napajanje: Reconnect the vehicle's battery. Turn on your head unit. The amplifier should power on, indicated by an LED indicator.
- Postavka pojačanja: Počnite sa amplifier's gain control set to minimum. Play a familiar piece of music at a moderate volume on your head unit. Slowly increase the amplifier's gain until you hear distortion, then back off slightly. The gain control is not a volume control; it matches the ampulazna osjetljivost lifiera u odnosu na izlaz glavne jedinice.
- Postavke skretnice: Podesite amplifier's crossover filters (if available) according to your speaker type and system configuration. For subwoofers, use a Low-Pass Filter (LPF). For full-range speakers, use a High-Pass Filter (HPF).
- Fino podešavanje: Make small adjustments to the gain and crossover settings to achieve balanced and clear sound.
6. Održavanje
The Ground Zero GZNA 2800XII ampSpajalica zahtijeva minimalno održavanje kako bi se osigurale dugoročne performanse.
- čišćenje: Povremeno obrišite spoljašnjost ampObrišite usisavač mekom, suhom krpom kako biste uklonili prašinu. Ne koristite jake hemikalije ili abrazivna sredstva za čišćenje.
- inspekcija: Regularly check all wiring connections for tightness and signs of corrosion. Ensure proper ventilation around the amplifier.
- Izbjegavajte prepreke: Ne stavljajte predmete na vrh amplifier that could block airflow to the heatsink.
7. Otkrivanje problema
Ako imate problema sa svojim ampspasilac, pogledajte sljedeće uobičajene probleme i rješenja:
| Problem | Mogući uzrok | Rješenje |
|---|---|---|
| AmpLifier se ne uključuje | No power, blown fuse, faulty ground, no remote signal | Check power cable connection, replace fuse, verify ground connection, check remote turn-on wire. |
| Nema izlaza zvuka | No input signal, speaker wires disconnected, gain too low, ampspasilac u zaštitnom režimu | Check RCA connections, verify speaker wiring, adjust gain, check for protect light (if lit, refer to manual or contact support). |
| Izobličen zvuk | Gain set too high, poor ground, damaged speakers, incorrect crossover settings | Reduce gain, improve ground connection, inspect speakers, adjust crossover settings. |
| Excessive noise (hiss, whine) | Poor grounding, signal cable interference, faulty RCA cables | Ensure solid ground connection, route signal cables away from power cables, try different RCA cables. |
If the problem persists after attempting these solutions, please contact Ground Zero customer support or a qualified car audio technician.
8. Specifikacije
The following are the technical specifications for the Ground Zero GZNA 2800XII 2-Channel Ampdizalica:
| Feature | Specifikacija |
|---|---|
| Broj modela | 00113441 |
| ASIN | B003TSD3VI |
| Međunarodni kodeks artikla | 04037072004311 |
| Broj kanala | 2 |
| Maksimalna izlazna snaga | 2800 Watts |
| Operating Voltage | 14.4 volti (nominalno) |
| Vrsta montaže | Samostojeći |
| Dimenzije paketa | 70 x 36 x 12 cm (27.5 x 14.2 x 4.7 inča) |
| Težina paketa | 5.44 kg (12 lbs) |
9. Garancija i podrška
Ground Zero products are manufactured to high-quality standards. For specific warranty information, please refer to the warranty card included with your product or visit the official Ground Zero website. In case of technical issues or questions not covered in this manual, please contact your authorized Ground Zero dealer or customer support for assistance.





