The Yamaha NX-B02 is a Bluetooth Wireless Stereo Speaker available in black, white, and red, each side of the Yamaha NX-B02 measures 3.25 inches wide, giving it a square footprint that extends 6.75 inches high this speaker system is a wireless system and takes advantage of battery power (four AA) and Bluetooth wireless audio, in addition to its wired power and audio connections. The four buttons at the top of the NX-B02 are the control, power, volume, and Bluetooth activation. The left and right sides of the NX-B02 each conceal a single 1.75-inch titanium cone driver and a bass port design from the NX-A01. On the back of the NX-B02 are discreet connections for the power supply and a 3.5mm stereo input. The Yamaha NX B02 comes with a Dual 4.5cm (1-3/4”) Speakers for Stereo Sound and has a 5 Watt - 90 - 20000 Hz output power for each speaker
