Furrion DV1100 Wall Mount Bluetooth RV Stereo 3-Zone 6 x 40W + 80W internal subwoofer amplifier (320W total) Bluetooth wireless connectivity Vibration smart - designed and tested for vibration resistance Climate smart - designed and tested for extreme climates 3-Zone 6 x 40W + 80W internal subwoofer amplifier (320W total) DVD/CD/MP3/MP4/AVI/WMA/USB Bluetooth wireless connectivity Vibration smart - designed and tested for vibration resistance Climate smart - designed and tested for extreme climates