Nakamichi Shockwafe Ultra 9.2 eARC vs Polk Audio Signa S4 review

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If you have already decided that you want to buy a new soundbar, but still don’t know what exactly you want, the Nakamichi Shockwafe Ultra 9.2 eARC vs Polk Audio Signa S4 comparison is here to offer you two decent solutions. The Nakamichi Shockwafe Ultra 9.2 eARC was rated 6.6, while the Polk Audio Signa S4 has a rating 7.8.

Audio features

Each of the models under consideration has active amplification type. A noticeable difference is the number of channels that Shockwafe Ultra 9.2 eARC has 9.2.4 and Signa S4 has 3.1.2. These rivals can be compared in terms of power, 1300 (overall) versus 80 (overall) according to devices. The built-in subwoofer is not implemented in any of these models. An external subwoofer can be connected to any of the units in this comparison. Rate 10 out of 10 received the Nakamichi Shockwafe Ultra 9.2 eARC for audio features and specs, but the Polk Audio Signa S4 received 5 out of 10.

Streaming services

The Signa S4 can play audio from Spotify.

Connectivity

Wireless Internet connection is realized only in the Signa S4. Soundbars from this comparison have Bluetooth support. There are 3/1 HDMI inputs/outputs in the Nakamichi Shockwafe Ultra 9.2 eARC versus 0/1 HDMIs in the Polk Audio Signa S4. As in the Shockwafe Ultra 9.2 eARC, so in the Signa S4 there is the HDMI Audio Return Channel (ARC). Connecting devices via USB is possible in both models. We rated the connectivity of the Shockwafe Ultra 9.2 eARC at 9 out of 10, while the Signa S4 was rated 6/10.

Features

The manufacturer of the Signa S4 provides a device control application. The Polk Audio Signa S4 equipped with a microphone. The models under consideration cannot become part of a multiroom system.

Multichannel surround

Manufacturers equipped both units with Dolby Atmos audio decoder. The Shockwafe Ultra 9.2 eARC can work with surround sound due to DTS:X support. The Shockwafe Ultra 9.2 eARC was rated 10/10, while the Signa S4 received a mark of 9/10 for multichannel surround.

Advantages Nakamichi Shockwafe Ultra 9.2 eARC over Polk Audio Signa S4

Advantages Polk Audio Signa S4 over Nakamichi Shockwafe Ultra 9.2 eARC