1. Uvod
Thank you for choosing the Zapco ST-4XP-SQ-III 4-Channel Class AB 800W RMS Sound Quality Ampspašivač. Ovaj priručnik pruža bitne informacije za pravilnu instalaciju, rad i održavanje vašeg amplifier. Please read this manual thoroughly before attempting to install or operate the unit to ensure optimal performance and safety.

This image displays the Zapco ST-4XP-SQ-III ampspasilac, izložbaasing its sleek design and heat sink fins. The main body is silver with a black central panel featuring the Zapco logo.
2. Sigurnosne informacije
Uvijek se pridržavajte sljedećih sigurnosnih mjera opreza tokom instalacije i rada:
- Disconnect the vehicle's negative battery terminal before any wiring.
- Osigurajte da su sve žice pravilno postavljene i osigurane kako biste spriječili oštećenja ili kratke spojeve.
- Koristite ožičenje odgovarajućeg presjeka za napajanje, uzemljenje i priključke zvučnika kako je navedeno.
- Montirajte ampSigurno podignite uređaj na mjesto koje omogućava odgovarajuću ventilaciju i zaštićeno je od vlage i prekomjerne toplote.
- Nemojte rukovati amplifier if it is damaged or malfunctioning. Refer to the troubleshooting section or contact support.
3. Proizvod je gotovview
The Zapco ST-4XP-SQ-III is a high-performance 4-channel Class AB amplifier designed for superior sound quality in automotive applications. Key features include:
- 4-Channel, Full Range, Class A/B operation
- Tiffany style Panel Mount RCA connectors
- Speaker Level Inputs with Auto-on functionality
- Kontrola promenljivog ulaznog pojačanja
- Variable electronic crossover (HPF/LPF)
- Varijabilna kontrola pojačanja basa
- Robust new aluminum chassis for efficient heat dissipation
Izgled kontrolne table

This image shows the input and control panel of the Zapco ST-4XP-SQ-III amplifier. Visible controls include gain adjustments, high-pass filter (HPF), low-pass filter (LPF), bass boost, and RCA input jacks for front and rear channels. Speaker level inputs and an auto-on switch are also present.
The control panel provides access to input connections and sound tuning adjustments. This includes RCA inputs, speaker level inputs, gain controls, and crossover frequency adjustments for both front and rear channels.
Power and Speaker Output Terminals

This image details the power and speaker output terminals of the Zapco ST-4XP-SQ-III amplifier. It includes connections for Ground (GND), Remote (REM), +12V Battery (Bat), and speaker outputs for front and rear channels, with bridging options indicated.
The power and speaker output panel features robust terminals for secure connections. These include connections for the main power supply (+12V Bat), ground (GND), remote turn-on (REM), and speaker outputs for the front and rear channels, with clear markings for bridging configurations.
4. Postavljanje i instalacija
Pravilna instalacija je ključna za performanse i dugotrajnost vašeg ampspašivač. Ako niste sigurni u vezi s bilo kojim koracima, konsultujte se s profesionalnim instalaterom.
4.1 Montaža
- Odaberite mjesto za montažu koje je suho, dobro prozračeno i dalje od direktne sunčeve svjetlosti ili izvora topline.
- Ensure sufficient space around the ampusisivač za cirkulaciju vazduha.
- Osigurajte amplifier firmly using appropriate hardware to prevent movement during vehicle operation.
4.2 Ožičenje
Refer to the 'Power and Speaker Output Terminals' image for visual guidance.
- Power (BAT +12V): Connect a fused power cable directly from the vehicle's positive battery terminal to the +12V terminal on the amplifier. The fuse should be located within 18 inches of the battery.
- Uzemljenje (GND): Connect a ground cable of the same gauge as the power cable to a clean, unpainted metal surface on the vehicle chassis. Ensure a solid electrical connection.
- Daljinski (REM): Spojite žicu za daljinsko uključivanje s izlaza za daljinsko upravljanje vaše glavne jedinice na REM terminal na amplifier. This turns the amplifier on and off with your head unit. If using speaker level inputs, the amplifier features an auto-on function.
- Ulazni signal:
- RCA ulazi: Spojite RCA kablove iz prednjeg dijela vaše glavne jedinice.amp outputs to the corresponding RCA input jacks (Front IN, Rear IN) on the amplifier.
- Ulazi za nivo zvučnika: If your head unit does not have RCA outputs, connect the speaker wires from the head unit to the amplifier's speaker level input terminals. Ensure correct polarity. The amplifier's auto-on feature will activate when a signal is detected.
- Izlazi za zvučnike: Povežite zvučnike na amplifier's speaker output terminals (Front L/R, Rear L/R). Observe correct polarity (+ to + and - to -). For bridged operation, refer to the markings on the amplifier for the correct terminals.
5. Uputstvo za upotrebu
Nakon instalacije, podesite amppodešavanja lifiera za optimalne zvučne performanse.
5.1 Kontrola pojačanja
The variable input gain control (MIN MAX GAIN) matches the amplifier's input sensitivity to the output level of your head unit. Start with the gain set to minimum. Play a familiar track at about 75% of your head unit's maximum volume. Slowly increase the amplifier's gain until you hear slight distortion, then back off slightly. This ensures maximum clean output.
5.2 Postavke skretnice
The ST-4XP-SQ-III features variable electronic crossovers for both High-Pass Filter (HPF) and Low-Pass Filter (LPF).
- HPF (High-Pass filter): Allows frequencies gore the set point to pass through. Use this for full-range speakers to prevent them from playing low bass, which can cause distortion and damage.
- LPF (niskopropusni filter): Allows frequencies ispod the set point to pass through. Use this for subwoofers to ensure they only reproduce bass frequencies.
- PUNO: Bypasses the crossover, allowing all frequencies to pass.
Adjust the HPF and LPF settings according to your speaker types and desired sound. Typical settings for full-range speakers might be an HPF between 80Hz-120Hz. For subwoofers, an LPF between 80Hz-100Hz is common.
5.3 Pojačanje basa
The variable bass boost control allows you to enhance low-frequency output. Use this feature sparingly, as excessive bass boost can lead to distortion and potential speaker damage. Adjust to taste, ensuring the sound remains clear.
5.4 Auto-on with Speaker Level Inputs
When using speaker level inputs, the amplifier can automatically detect an audio signal and power on. Ensure the 'AUTO TURN ON' switch is set to 'ON' if you wish to utilize this feature. If using a remote turn-on wire, set this switch to 'OFF'.
6. Održavanje
The Zapco ST-4XP-SQ-III ampSpajalica zahtijeva minimalno održavanje kako bi se osigurale dugoročne performanse.
- čišćenje: Povremeno obrišite ampVanjski dio uređaja obrišite mekom, suhom krpom kako biste uklonili prašinu i prljavštinu. Nemojte koristiti jake hemikalije ili abrazivna sredstva za čišćenje.
- inspekcija: Redovno provjeravajte sve spojeve ožičenja na čvrstoću i znakove korozije ili oštećenja. Osigurajte ampPričvršćivanje spasilačkog uređaja ostaje sigurno.
- ventilacija: Osigurajte da amplifier's heat sink fins are not obstructed, allowing for proper airflow and cooling.
7. Otkrivanje problema
Ako imate problema sa svojim amplifier, pogledajte sljedeću tabelu prije nego što kontaktirate podršku.
| Problem | Mogući uzrok | Rješenje |
|---|---|---|
| Nema napajanja / AmpLifier se ne uključuje |
|
|
| Nema izlaza zvuka |
|
|
| Distorted Sound |
|
|
| AmpPregrijavanje |
|
|
8. Specifikacije
The following are the technical specifications for the Zapco ST-4XP-SQ-III ampdizalica:
- Snaga @ 4Ω: 4 x 150 vata RMS
- Snaga @ 2Ω: 4 x 250 vata RMS
- Power Bridged @ 4Ω: 2 x 500 W RMS
- THD @ nazivna snaga: <0.1% THD
- Odnos signal/šum: > 95dB
- Razdvajanje kanala: >60dB
- Frekvencijski odziv: 15Hz do 30KHz ±1dB
- Ulazna osjetljivost: 0.25v do 5v
- Net Dimensions (W x H x L): 160 mm x 58 mm x 450 mm (6.3 x 2.28 x 17.72 inča)
- Overall Dimensions (W x H x L): 160 mm x 58 mm x 475 mm (6.3 x 2.28 x 18.7 inča)
- Težina artikla: Otprilike 10 funti
9. Garancija i podrška
9.1 Informacije o garanciji
The Zapco ST-4XP-SQ-III ampLifier dolazi sa a 1-godišnja garancija from the date of purchase. This warranty covers defects in materials and workmanship under normal use. It does not cover damage caused by improper installation, accident, misuse, abuse, neglect, unauthorized modification, or normal wear and tear. Please retain your proof of purchase for warranty claims.
9.2 Korisnička podrška
For technical assistance, warranty service, or general inquiries, please visit the official Zapco website or contact your authorized Zapco dealer. You can often find detailed FAQs, additional resources, and contact information on the manufacturer's website.
Zapco Official Webstranica: Visit the Zapco Store on Amazon





