The Science Popularization R&D team never stops, they keep working hard and innovating to meet your increasingly personalized needs.

The new ultra-quiet unit takes quietness as the primary R&D and design goal, emphasizes the pleasure and comfort that the product brings to customers, and meets the needs of high-end users in the market. The noise control reaches the advanced level at home and abroad, subverting the traditional image of low-noise diesel engines.

product features

Ultra-low noise

The noise control has reached the advanced level at home and abroad, subverting the traditional image of low-noise units and bringing you super pleasant and comfortable feeling.

Unique appearance

Brand-new product structure design, KOOP brand unique appearance, red and black combination, highlighting quality and taste.

U-shaped air duct

A new corridor-style air duct design is adopted, and all air intake and exhaust pass through a "U"-shaped maze to achieve a sound insulation effect.

Super strong structure

The entire shell and chassis are made of thick steel plates to enhance the structural strength of the machine. The product is sturdy and durable, and also achieves the effect of sound insulation and vibration reduction.

Stable output

All-copper motor, F-class insulation, high conversion efficiency; intelligent voltage regulation AVR, stable voltage, small voltage waveform distortion.