The JBL PartyBox 520 has an output capacity of 400 Watts RMS.
This power output is available when the speaker is plugged into AC power. When operating on battery power, the output capacity is 200 Watts. The speaker features:
Transducers: Two 7.5-inch woofers and two 1-inch dome tweeters.
Frequency Response: 40 Hz – 20 kHz.
AI Sound Boost: This proprietary technology analyzes the audio in real-time to maximize acoustic performance and minimize distortion.