🔊 JBL Go 4 Speaker: Extended Technical & Design Details 🎛️ Acoustic Design & Driver: Equipped with a 45mm customized transducer and an oval passive radiator located at the bottom to enhance low-end resonance, producing 4.2W RMS of power output. 📻 Auracast Multi-Speaker Technology: Replaces legacy pairing features, allowing you to link two JBL Go 4 speakers together for a true stereo soundstage or broadcast audio to multiple compatible JBL Auracast speakers. 📶 Advanced Bluetooth Connectivity: Features Bluetooth 5.3 with Multipoint pairing, enabling seamless switching between two source devices (like a phone and a laptop). 🔋 Battery Performance & Playtime Boost: Offers up to 7 hours of continuous playback (often stretching up to 9–10 hours at moderate volumes), plus an eco-mode Playtime Boost toggle that optimizes performance to stretc ...