JBL Boombox 3 Wi-Fi. RMS rated power: 80 W, Subwoofer RMS power: 80 W, Frequency range: 40 - 20000 Hz. Connectivity technology: Wireless, Frequency range: 2.402 - 2.48 GHz, Bluetooth profiles: A2DP, AVRCP. Product type: Stereo portable speaker, Product colour: Black, Product design: Tube. Recommended usage: Mobile phone / Smartphone. Amplifier: Built-in