1. Download of VIZIO SmartCast™ App to iOS or Android mobile device required.
2. SB4551-D5 is rated at 104 dB Sound Pressure Level measured using pink noise at 1 meter, C-weighted. Total Harmonic Distortion calculated as electrical measurement of amplifier distortion.
3. Source: The NPD Group / Retail Tracking Service, units sold, January 2013 – December 2015.
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