Microlab M700U Acoustic Hifi Subwoofer Speaker Home Theater Audio Amplifier Multimedia System 2.1 Super Bass Power 46Watts with USB, SD Card, FM Radio multifunctional compatible with SONY, Pioneer, JBL, Bose, Yamaha Quality 2.1 subwoofer system with powerful bass effect USB Port Ideal for digital multimedia movies, TV, CD/DVD and Mp3/Mp4 playbacks FM radio Function: 87.0MHz to 108MHz frequency range Built in USB dongle and SD card slots great compatible, 3.5mm and 2RCA jacks Wireless remote control for easy convenient adjustment