Zavedení
This manual provides detailed instructions for the installation, operation, and maintenance of your Herdio HCS 818 Passive Ceiling Speakers. Please read this manual thoroughly before installation and retain it for future reference. These speakers are designed for flush mounting in ceilings, offering a discreet audio solution for various indoor environments.
Co je v krabici
Carefully unpack the contents and ensure all items are present. If any items are missing or damaged, please contact your retailer.
- Passive Ceiling Speakers (x2)
- Speaker Wires (x2)
- Uživatelská příručka (x1)
- Cutout Template (x1)
- Gaskets (x2)

The complete package contents are displayed, featuring two Herdio passive ceiling speakers, two sets of speaker wires, and the instruction manual.
This official video provides a visual guide to unboxing the Herdio 6.5-inch Passive Ceiling Speakers, demonstrating the speaker wiring process, and illustrating the step-by-step installation into a ceiling.
Nastavení a instalace
Follow these steps for proper installation of your Herdio ceiling speakers:
- Příprava: Choose a suitable location in your ceiling, ensuring there is adequate clearance behind the mounting surface for the speaker depth (4.13 inches / 10.5 cm). Avoid areas with electrical wires, plumbing, or structural beams.
- Create Cutout: Use the provided cutout template to mark the exact opening size on your ceiling. Carefully cut the hole using an appropriate tool.
- Odstraňte mřížku: Gently pry off the speaker grille using a thin, flat tool to access the mounting screws and wiring terminals.

The speaker's detachable grille is shown, emphasizing its thin profile and the ease with which it can be removed for installation or maintenance.
- Připojte kabely reproduktorů: Připojte kabely reproduktorů ze svého amplifier to the terminals on the back of the speaker. Ensure the red wire connects to the positive (+) terminal and the black wire connects to the negative (-) terminal. Maintain consistent polarity for all speakers in your system.

This image illustrates the speaker's spring-loaded terminals, clearly marked for positive (red) and negative (black) wire connections, crucial for proper audio signal transmission.
- Montáž reproduktoru: Insert the speaker into the cutout. The mounting clips will automatically engage. Tighten the screws on the front baffle of the speaker to secure the clips firmly against the ceiling.

This image demonstrates the flush-mount design of the Herdio ceiling speakers, showing them seamlessly integrated into a room's ceiling. An inset highlights the installation process.
- Připevněte mřížku: Once the speaker is securely mounted, carefully reattach the magnetic grille to the speaker frame.
Návod k obsluze
The Herdio HCS 818 speakers are passive and require an external amplifier or receiver to function. Ensure your amplifier is compatible with 8-ohm speakers and provides sufficient power (up to 160 watts per channel).
- Připojte kabely reproduktorů ze svého amplifier's speaker outputs to the corresponding terminals on the Herdio ceiling speakers.
- Ensure correct polarity (positive to positive, negative to negative) for optimal sound performance.
- Zapněte svůj amplifier and select your desired audio source.
- Upravte úroveň hlasitosti na svém amplifier to your preference.
Údržba
Pro zachování vzhledu a výkonu reproduktorů:
- Čištění: Wipe the speaker grilles and frames with a soft, dry cloth. Avoid using harsh chemicals or abrasive cleaners.
- Demontáž mřížky: The grilles are detachable for cleaning or painting. Carefully pry off the grille using a thin, flat tool if necessary.
Odstraňování problémů
If you experience issues with your Herdio ceiling speakers, consider the following:
- Žádný zvuk:
- Zkontrolujte všechna připojení reproduktorových kabelů jak na reproduktoru, tak na amplifier for secure contact and correct polarity.
- Zajistěte amplifier je zapnutý a funguje správně.
- Verify the audio source is active and properly connected to the ampživější.
- Zkreslený zvuk:
- Snižte hlasitost na vašem ampživější.
- Zkontrolujte, zda nejsou uvolněné spoje kabelů reproduktorů.
- Zajistěte amplifier's power output matches the speaker's power handling capabilities.
- Nerovnoměrný zvuk:
- Check wiring for each speaker to ensure consistent polarity.
- Verify speaker placement and ensure no obstructions are blocking sound.
Specifikace

A detailed diagram provides the exact measurements for the speaker, including the overall diameter of 9.25 inches (23.5 cm), woofer size of 6.5 inches (16.5 cm), and a mounting depth of 4.13 inches (10.5 cm).
| Funkce | Detail |
|---|---|
| Značka | Herdio |
| Číslo modelu | HCS 818 |
| Typ reproduktoru | 2-Way Passive Ceiling Speaker |
| Velikost reproduktoru | 6.5 palce |
| Průměr basového reproduktoru | 6.5 palce |
| Průměr výškového reproduktoru | 1 palců |
| Maximální výstupní výkon | 160 wattů (na reproduktor) |
| Frekvenční odezva | 50 Hz - 20 kHz |
| Citlivost | 89 dB |
| Impedance | 8 ohmů |
| Typ montáže | Zapuštěný stropní držák |
| Materiál pouzdra | ABS, PP |
| Barva | Bílý |
| Rozměry položky (D x Š x V) | 9.25" x 9.25" x 4.13" (23.5 cm x 23.5 cm x 10.5 cm) |
| Hmotnost položky | 3.91 kilogramu (pro pár) |
| Voděodolnost | Není odolný vůči vodě |
Záruka a podpora
Herdio HCS 818 Passive Ceiling Speakers come with a limited warranty. For warranty claims or technical support, please contact Herdio Direct through your purchase platform or refer to the contact information provided in the original packaging.





