The **JBL PartyBox Stage 320** is a high-powered speaker designed for creating immersive sound experiences in large spaces, such as living rooms, terraces, or small events. It received a 9/10 rating in a recent test, highlighting its strong audio performance and versatility. With a power output of 240W RMS, the speaker is capable of delivering rich, dynamic sound that can fill a room or outdoor area effectively. The **JBL PartyBox Stage 320** is equipped with a removable battery that provides up to 18 hours of playback time, making it ideal for long gatherings or events. It features a telescopic handle and wheels, allowing it to be easily moved around like a large suitcase. The speaker is also built to withstand light water exposure, thanks to its IPX4 certification, and includes Bluetooth 5.3 and Auracast technology, which allows multiple speakers to be connected and synchronized for a more expansive audio setup. In terms of design, the **JBL PartyBox Stage 320** has a sleek aluminum grille and colorful LED strips that add a visual element to its performance. Its internal components include two 16.5 cm medium-bass speakers and two 2.5 cm tweeters, housed in a bass reflex enclosure with a large vent at the back to enhance sound quality. The speaker measures 66 cm in height, 33 cm in width, and 38 cm in depth, and weighs 16.5 kg, making it a substantial but portable unit. Priced at 599.99 euros as a base model, the **JBL PartyBox Stage 320** can be purchased for 399 euros in white at Boulanger. However, users should note that battery life can be affected by high volume levels and the use of the Bass Boost feature, which may reduce the total playback time. A full charge takes about three hours, and the speaker produces 95 dB of sound at a distance of one meter, making it loud enough for most party settings.