ZVOX SB500 Aluminum Sound Bar with Built-In Subwoofer, Bluetooth Wireless Streaming, AccuVoice Room-filling 3D sound from a single anodized aluminum cabinet.Works well with TVs from 50 - 90. Works with your current remote control. AccuVoice feature uses hearing aid technology to deliver ultra-clear dialogue.Amplifier: The SB500 uses a high-efficiency 140 watt Class D digital amplifier,Speakers: (3) 2" long-excursion full-range speakers Bluetooth wireless music streaming from your phone or tablet. Frequency range: 42 Hz - 20 kHz. Dual built-in subwoofers with Mega Bass produce great bass without external subwoofer. Can be wall-mounted, placed upright on furniture, or placed "flat" on furniture Multiple inputs make it simple to add Chrome cast Audio for multi-zone Wi-Fi streaming music.