Polk Signa S2 review

Sound

The S2 separates bass duties from the front speaker, giving it a different starting point from an all-in-one TV speaker. There is no dedicated center driver: voices come from the left and right arrangement, assisted by processing. That distinction matters when comparing it with bars that give dialogue a separate physical channel.

RTINGS described a balance with emphasized bass and treble and found compression and distortion more apparent near the volume limit.¹ The S2 is better approached as a practical everyday upgrade than as a system to push for maximum output. A restrained bass setting may also make speech easier to follow.

The wireless subwoofer still needs a power outlet. Place it where it integrates with the front bar, then adjust its level from the main seat. Moving it can be more useful than repeatedly changing the bass control to compensate for a poor location.

Dialogue and Controls

VoiceAdjust offers three preset levels, making dialogue emphasis easy to compare without an app. Start at the lower setting and increase it only when the program benefits. A stronger voice setting can be helpful for quiet conversation, but it is not a substitute for a clear soundtrack.

Night mode reduces bass and dynamic variation for quieter playback. Movie and Music settings provide other broad choices, while the bass control allows a more direct adjustment. This is a small set of useful controls rather than a detailed equalizer.

The supplied remote handles those functions, and top-panel buttons cover the basics. LEDs indicate the source and state instead of displaying words. Keep the guide accessible while learning those patterns; after setup, a compatible television can handle routine volume through HDMI CEC.

Connectivity

HDMI ARC is the simplest connection to a suitable TV, carrying television audio back to the soundbar. The S2 has no HDMI source input, so a console, disc player or streaming device connects to the TV. It does not switch video or pass a picture through the bar.

Dolby Digital decoding is confirmed. Atmos and DTS:X are not supported.² Choose a TV audio-output setting the bar can accept, rather than assuming that an immersive soundtrack selected in an app will remain immersive at the speaker.

Optical provides another route for TV audio, and the analog input can accept a suitable headphone or line output. With an analog connection, the source’s own volume setting may affect the level reaching the bar. The standard S2 package lists both HDMI and optical cables; check the exact S2D package contents when choosing that finish.

Surround Sound

The S2’s processing can alter the presentation, but the physical system remains in front of the listener. RTINGS found its surround experience limited, consistent with that arrangement.¹ A sound effect intended to originate behind the sofa has no rear speaker from which to play.

Polk confirms that wireless surround speakers cannot be added to the S2. The SR2 name on an accessory does not make it compatible with a Signa S2 soundbar. If real rear playback is a likely future requirement, choose a family that explicitly supports expansion at the outset.

This fixed arrangement can still be useful for news, drama and casual movie viewing. Its simplicity is most valuable when the buyer has already decided that a bar and subwoofer are enough, rather than expecting to turn it into a larger cinema system later.

Music Playback

Bluetooth lets a phone or tablet send music to the S2 without turning on the television. It is convenient for occasional listening, but there is no built-in Wi-Fi playback through AirPlay, Google Cast or Spotify Connect.² The connected source remains part of the listening routine.

An analog source is another option, provided it supplies an appropriate output. For a turntable, that means having the necessary phono stage elsewhere in the system. The S2’s input is not itself a turntable preamplifier.

These connections suit a simple living-room system. A household that wants independent network playback or coordinated music across rooms should consider a connected soundbar before buying, rather than treating Bluetooth as the same capability.

Design and Installation

The low bar is easier to place below many screens than a taller compact speaker, but check the TV feet and remote sensor before committing. Its roughly 900 mm width still requires an adequate surface. Wall mounting is supported through keyhole fittings, with suitable fixings needed for the wall.

The S2D changes the fabric appearance to a heathered gray finish. RTINGS identifies it as the same underlying specification rather than a separate performance model.¹ Choose by appearance and package contents; the review’s listening evidence comes from the standard black S2.

The current US specification tables list one year of electronics coverage and two years for drivers. Other S2 manufacturer copy, including the current page header and an older sheet, lists three years for drivers. Check the warranty supplied with the purchased unit rather than assuming the longer term applies.

Alternatives

The Signa S1 predecessor already combined a wireless subwoofer, Bluetooth and VoiceAdjust, but connected to TVs through optical or analog audio. The S2’s addition of HDMI ARC makes control and connection more convenient with compatible televisions. It is a practical reason to replace an S1 only if that connection solves a real problem; the older unit need not be discarded solely because the model number changed.

The MagniFi Mini AX is a different step up, with network music, immersive-format decoding and optional SR2 rear speakers. Its front unit is much shorter but taller. Consider it when those functions or the smaller width matter; the S2 remains the simpler choice when basic TV sound is the entire brief.

Verdict

The Signa S2 remains relevant as a straightforward soundbar-and-subwoofer package. Its low profile and direct controls suit everyday television, while its format and expansion limits are clear. Choose it when those limits fit the plan, and compare the S2D as a finish option rather than a separate performance upgrade.