Acefast Portable Speaker K2 Air

ACEFAST K2 Air portable wireless speaker, a compact powerhouse delivering room-filling sound with 40W peak power from two 20W drivers. The built-in DSP processor enhances clarity and bass for bold, immersive audio, while colorful RGB lighting adds a party-ready vibe. When you pair two K2 Air units via TWS, you get 360° surround stereo sound that turns any room into a home-theater–style setup for movies, music, or karaoke. With an IPX5 splash-resistant design and a shoulder strap for easy carrying, it’s ready to go wherever the day takes you.

On the go you’ll enjoy long-lasting battery life—up to 10 hours of playtime from a 4400mAh cell, plus a quick 3-hour USB-C charge. It supports Bluetooth 5.3 for stable connections up to about 10 meters and offers flexible playback options, including USB flash drive playback. The speaker features two 2.75-inch drivers delivering strong midrange and bass, and convenient USB-C input for 5V charging (1A or 2A).

Key Features
- 40W peak power from 2x20W drivers for robust, punchy sound
- TWS interconnection for 360° surround stereo and karaoke-ready vibes
- DSP processor for rich sound and heavy bass
- Bluetooth 5.3 with up to 10m range
- USB flash drive playback support
- Colorful RGB lighting for dynamic ambiance
- IPX5 splash resistance for outdoors and travel
- 4400mAh battery delivering up to 10 hours of playback
- 3-hour USB-C charging
- Shoulder strap included for easy portability
- 2x2.75" speaker units for solid performance
- 5V USB-C input with 1A/2A charging options

Specifications
- Product name: ACEFAST K2 Air portable wireless speaker
- BT version: v5.3
- Transmission distance: ≥10m
- Frequency response: 50Hz-20000Hz
- Battery capacity: 4400mAh
- Input: DC 5V⎓1A, 5V⎓2A (USB-C)
- Charging time: 3 hours
- Working time: 10 hours
- Speaker unit: 2×2.75''
- Speaker power: 2×20W (peak power)
- Size: 283×124×120mm
- Weight: 1.85kg
- Waterproof rating: IPX5
- Feature 1: DSP Processor - Digital Signal Processing technology - rich sound with heavy bass
- Feature 2: Supports TWS interconnection for 360° surround stereo sound effect, creating a home theater-level KTV
- Feature 3: Supports BT, USB flash drive playback modes
- Feature 4: Colorful RGB lighting
- Feature 5: With shoulder strap