JBL Go 4 Ultra-Portable, Waterproof and Dustproof Bluetooth Speaker KEF SP4051BA and two 9" subwoofers

and two 9" subwoofers

Spacious earcup covers and the supple ear pads made from artificial leather not only offer superb acoustic isolation

Wi-Fi routers

500 Hz (±3 dB)

Optical digital and coaxial digital output

JBL Go 4 Ultra-Portable, Waterproof and Dustproof Bluetooth Speaker KEF SP4051BA and two 9" subwoofersJBL Go 4 Ultra Portable, Waterproof and Dustproof Bluetooth Speaker Take big JBL Pro sound wherever you go. The bold, colorful JBL Go 4 ultra portable Bluetooth speaker fits in the palm of your hand, delivering clear, loud JBL Pro Sound with rich, punchy bass. Its newly redesigned integrated loop makes it easy to bring anywhere, and the variety of colorways means you can choose one that fits your vibe. Plus it's waterproof and dustproof, so it loves