The JBL PROTEMP Cooler x300 (Gen 2) is designed for aquarists who value precision, performance, and peace of mind. Whether you maintain a freshwater or marine aquarium, stable water temperature is vital for fish health and plant vitality. This modern cooling system uses evaporative cooling to reduce water temperature by up to 4°C, making it a must-have for hot climates or rooms with strong lighting.

⚙️ Key Features & Benefits

🔧 Efficient Cooling Performance

• Reduces aquarium temperature by 2–4°C, protecting sensitive fish and corals.

• Maintains stable conditions even during summer or heatwaves.

🔇 Quiet & Reliable Operation

• Advanced cross-flow fan ensures powerful yet silent performance.

• Upgraded bearing system minimizes vibration and noise.

🔄 Flexible Installation

• 360° adjustable fan head for perfect airflow direction.

• Fits aquarium edges up to 2.4 cm thick with secure mounting brackets.

• Compact and elegant design blends with any aquarium setup.

⚡ Safe & Energy-Efficient

• Operates at a safe low voltage (12V DC) for user and aquatic safety.

• Universal power supply suitable for worldwide mains voltages.

• Includes protective grille to ensure maximum safety.

🌍 Expandable & Compatible

• Fully compatible with JBL CoolControl (temperature controller sold separately) for automatic cooling regulation.

📦 Package Contents

• 1x JBL PROTEMP Cooler x300 (Gen 2)

• 1x Power supply unit (12V DC)

• 1x Mounting bracket with adjustable grips

• 1x 150 cm power cable

• 1x User manual

🧭 Ideal For

• Beginners and experienced aquarists alike.

• Both freshwater and saltwater setups.

• Aquariums between 90–300 litres capacity.

• Users looking for quiet, efficient, and safe cooling.