1. Úvod
The JBL Professional Control 28-1-WH is a high-output indoor/outdoor background/foreground speaker designed for versatile audio applications. This manual provides essential information for the proper installation, operation, and maintenance of your speaker to ensure optimal performance and longevity.
Engineered for superior sound quality, the Control 28-1-WH offers broad sound coverage and robust power handling, making it suitable for various commercial and residential settings.
2. Vlastnosti produktu
- Manipulace s vysokým výkonem: 120 Watt (240 Watt program) in direct 8Ω setting, with a built-in 60 Watt 70V/100V multi-tap transformer for demanding audio environments.
- Špičková kvalita zvuku: Features an 8-inch woofer with a woven fiberglass cone and a 1-inch PEI diaphragm tweeter with fluid cooling, delivering high fidelity sound and a broad frequency response of 45 Hz – 20 kHz.
- Široké pokrytí: Provides 100° x 100° consistent coverage for immersive audio across your space.
- Design odolný vůči povětrnostním vlivům: Contemporary, high-design components suitable for indoor or outdoor use in various weather conditions.
- Flexibilní instalace: Includes built-in InvisiBall mounting hardware and supports an optional U-bracket (sold separately) for wall, ceiling, or post mounting.
3. Co je v krabici
- JBL Professional Control 28-1-WH High Output Indoor/Outdoor Background/Foreground Speaker, White
4. Nastavení a instalace
The Control 28-1-WH speaker is designed for flexible installation in various indoor and outdoor settings. It comes equipped with built-in InvisiBall mounting hardware for secure and adjustable placement.
4.1 Možnosti montáže
The InvisiBall mounting system allows for precise aiming of the speaker. An optional U-bracket (sold separately) can also be used for alternative mounting configurations on walls, ceilings, or posts.
4.2 Zapojení kabeláže
The speaker supports both direct 8Ω impedance connections and 70V/100V constant voltage systems via its multi-tap transformer. Ensure correct polarity when connecting speaker wires to your ampživější.

For 70V/100V systems, select the appropriate tap setting on the speaker's transformer to match your system's power requirements. For 8Ω operation, ensure the transformer is set to the 8Ω bypass setting.
4.3 Odolnost vůči povětrnostním vlivům
The Control 28-1-WH features weather-resistant components, making it suitable for outdoor installation. However, proper installation under eaves or protective overhangs is recommended to maximize longevity and performance in harsh weather conditions.


5. Provoz
Once properly installed and connected to a compatible amplifier, the JBL Control 28-1-WH speaker delivers high-quality audio. The speaker is passive and requires an external amplifier pro provoz.
5.1 Zapnutí/vypnutí
The speaker itself does not have a power switch. Power is controlled via the connected amplifier. Ensure your ampPřed provedením jakýchkoli připojení se ujistěte, že je zařízení Lifefier vypnuto.
5.2 Přehrávání zvuku
Begin playback at a low volume level on your amplifier and gradually increase it to your desired listening level. The speaker is designed to handle up to 120 Watts continuous power (240 Watts program) at 8Ω, or 60 Watts in 70V/100V modes.
While some specifications may list Bluetooth connectivity, the JBL Control 28-1-WH is primarily designed for wired audio connections to an amplifier. For wireless audio, an external Bluetooth receiver connected to your ampbude vyžadován lifikátor.
6. Údržba
To ensure the longevity and optimal performance of your JBL Control 28-1-WH speakers, follow these maintenance guidelines:
- Čištění: Regularly wipe down the speaker enclosures with a soft, damp cloth. Avoid using harsh chemicals or abrasive cleaners, as these can damage the finish or grille.
- Kontroly připojení: Periodically inspect all wiring connections for tightness and corrosion, especially in outdoor installations. Loose connections can lead to poor sound quality or intermittent operation.
- Ochrana životního prostředí: While weather-resistant, prolonged exposure to direct sunlight, heavy rain, or extreme temperatures can affect the speaker's lifespan. Consider additional protective measures or repositioning if exposed to severe conditions.
7. Řešení problémů
If you experience issues with your JBL Control 28-1-WH speakers, refer to the following common troubleshooting steps:
- Žádný zvuk:
- Ověřte, že amplifier je zapnutý a funguje správně.
- Zkontrolujte všechna připojení reproduktorových kabelů na obou amplifier and the speaker terminals for secure contact and correct polarity.
- Ujistěte se, že je na vašem zařízení vybrán správný vstupní zdroj. ampživější.
- If using 70V/100V, confirm the transformer tap setting is appropriate for your system and that the amplifier is designed for constant voltage výstup.
- Zkreslený zvuk:
- Snižte hlasitost na vašem ampPřebuzení reproduktorů může způsobit zkreslení.
- Zkontrolujte připojení reproduktorových vodičů, zda nejsou roztřepené a nezpůsobují zkrat.
- Inspect the speaker cones for any visible damage.
- Přerušovaný zvuk:
- Zkontrolujte všechna připojení, zda nejsou uvolněná.
- Ensure speaker wires are not damaged or pinched.
If these steps do not resolve the issue, please contact JBL Professional customer support for further assistance.
8. Specifikace
| Specifikace | Hodnota |
|---|---|
| Značka | JBL |
| Název modelu | CONTROL 28-1-WH |
| Typ reproduktoru | Vnitřní / Venkovní |
| Velikost reproduktoru | 8 palce |
| Průměr basového reproduktoru | 8 palce |
| Průměr výškového reproduktoru | 1 palce |
| Maximální výstupní výkon reproduktoru | 240 Watts (Program) |
| Wattage | 120 wattů (trvalý provoz) |
| Vstupní objemtage | 70V/100V (with multi-tap transformer) or 8Ω |
| Frekvenční odezva | 45 Hz – 20 kHz |
| Technologie připojení | Koaxiální (kabelový) |
| Typ montáže | Wall Mount, Ceiling Mount (InvisiBall hardware included) |
| Materiál | Fiberglass, Polyetherimide (PEI) |
| Barva | Bílý |
| Hmotnost položky | 16.6 libry |
| Rozměry produktu | 8.6"H x 11.1"Š x 15.2"V |
| Je voděodolný | Věrný |
| UPC | 691991002052 |
9. Záruka a podpora
This JBL Professional Control 28-1-WH speaker is covered by a Manufacturer Warranty. For specific details regarding warranty coverage, duration, and how to make a claim, please refer to the warranty documentation included with your product or visit the official JBL Professional webmísto.
For technical support, troubleshooting assistance, or service inquiries, please contact JBL Professional customer support through their official channels.





