The JBL Boombox 3 (Black) is a large, premium portable Bluetooth speaker built for loud, outdoor sound with heavy bass and long battery life. It’s one of JBL’s most powerful portable speakers, designed for parties, outdoor use, and big spaces.
🔑 Key Features
🔊 Massive Sound & Deep Bass
- Uses a 3-way speaker system (subwoofer + midrange + tweeters)
- Delivers very loud, clear sound with strong bass even at high volume
- Wide sound range (approx. 40Hz – 20kHz) for rich audio
🔋 Long Battery Life
- Up to 24 hours of playtime on a single charge
- Full charge takes around 6–7 hours
💧 Waterproof & Dustproof
- Rated IP67
- Safe for:
- Rain ☔
- Poolside 🏊
- Dusty environments
📱 Connectivity & Features
-
Bluetooth 5.3 for stable connection
- Connect 2 devices at once and switch easily
-
PartyBoost: link multiple JBL speakers for bigger sound
- Works with JBL Portable app for EQ and updates
🔌 Extra Functions
- Built-in power bank (can charge your phone)
- Includes 3.5mm AUX input
- Wireless streaming from phone, tablet, or laptop
