| Main Feature | ||
| Frequency Response | 60Hz-20000Hz. | |
| Bluetooth | v5.4. | |
| Weight | 200g. | |
| Dimension | 100*40*78mm. | |
| Color | Black | |
| Power Source | ||
| Battery capacity | Capacity: 900mAh / 3.7V. Input: DC 5V?0.86A (USB-C). Charging time: 1.5 hours. | |
| Output Power | Speaker unit: 1 speaker unit + 1 diaphragm: 1 full-range speaker unit [45×45mm]; 1 passive diaphragm [35×60mm]. Speaker power: Rated power: 1×4W. Peak power: 1×5W. | |
| Battery Life | 8 hours (music mode). *All measures are made under 50% volume level. | |
| Warranty | ||
| Warranty | 3-Month Warranty (Must Claim with Box & All Accessories) | |
The Acefast K4 Go 5W Portable Wireless Speaker is built for those who want crystal-clear audio in a small package. Despite its compact size, it delivers 5W of powerful sound with rich clarity. With Bluetooth 5.3, you get seamless connectivity for music, calls, and entertainment.
Its lightweight design with a strap makes it easy to carry wherever you go. Perfect for travel, outdoor hangouts, and casual listening, the K4 Go keeps the music going with up to 8 hours of playback on a single charge. It also supports multiple playback modes including AUX and TF card, so you always have options.
Whether indoors or outdoors, the Acefast K4 Go is your go-to speaker for portable music freedom. Available now at Goldstar Electronics.
