Soundbar Reviews

Vizio S5451w-C2 Soundbar System Test Bench

Test Bench

1014vizbar.meas.jpg

This graph shows the quasi-anechoic (employing close-miking of all woofers) frequency response of the S5451w-C2 Sound Bar (purple trace) and subwoofer (blue trace). The left channel was measured with grille at a distance of 1 meter.

The S5451w-C2’s listening-window response (a five-point average of axial and +/–15-degree horizontal and vertical responses) measures + 4.42 /– 3.56 decibels from 200 hertz to 10 kilohertz. An average of axial and +/–15-degree horizontal responses measures +4.72/–3.66 dB from 200 Hz to 10 kHz. The –3dB point is at 99 Hz, and the –6dB point is at 87 Hz.

The subwoofer’s close-miked response, normalized to the level at 80 Hz, indicates that the lower –3dB point is at 47 Hz and the –6dB point is at 32 Hz. The upper –3dB point is at 107 Hz.—MJP

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COMMENTS
qvilorio's picture
Submitted by qvilorio on November 8, 2014 - 4:47am

Great review. I happen to have two of these bars, my only concern about them was that you had to put subwoofer behind, in order for the satellite speakers to be connected since the cable length is very limited. How did you manage to accomplish your setup? How did you hide the RCA extensions?

Billmack's picture
Submitted by Billmack on November 26, 2014 - 9:47pm

I just got this soundbar and am in the process of installing it. I want to use a different set of surround speakers (Leviton AESS5) connected to the subwoofer. I would think that this is straightforward but the VIZIO support response says that only the supplied speakers will work (no details why though). Has anyone tried connecting different speakers to the subwoofer? What is the subwoofers output impedance? Any chance of frying the subwoofer or speakers?

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