Polk Audio Signa S2 Sound Bar for Smart TV with Subwoofer, Wireless – Exclusive VoiceAdjust Technology, Ultra-Slim Design, Works with 4K & HD TVs, HDMI & Optical, Bluetooth, Wireless Streaming vs ULTIMEA 5.1CH Surround Sound Bar with Subwoofer, Dolby Atmos, VoiceMX, BassMX, APP, 300W Soundbar for Smart TV, Home Theater Surround Sound System for TV, BT 5.4, Poseidon M60 (2025 Model)
Updated June 2026 — ULTIMEA 5.1CH Surround Sound Bar with Subwoofer, Dolby Atmos, VoiceMX, BassMX, APP, 300W Soundbar for Smart TV, Home Theater Surround Sound System for TV, BT 5.4, Poseidon M60 (2025 Model) leads on app control & customization and price & value.
The ULTIMEA 5.1CH Surround Sound Bar with Subwoofer offers a superior feature set, including Dolby Atmos, 300W output, advanced app control, and HDMI eARC, all at nearly half the price of the Polk Audio Signa S2. It is the clear winner for immersive audio and modern connectivity.
Why Polk Audio Signa S2 Sound Bar for Smart TV with Subwoofer, Wireless – Exclusive VoiceAdjust Technology, Ultra-Slim Design, Works with 4K & HD TVs, HDMI & Optical, Bluetooth, Wireless Streaming is better
Price & Value
Polk Audio Signa S2 is priced at $249.00, while ULTIMEA is priced at $129.99, making it about 48% cheaper.
Design & Form Factor
Polk Audio Signa S2 has an ultra-slim design at just 2" tall, which fits better in tight spaces and allows for wall-mounting without blocking the TV’s bottom edge or IR sensor.
Wireless Subwoofer
Polk Audio Signa S2 includes a wireless subwoofer, offering greater placement flexibility compared to ULTIMEA’s wired subwoofer.
Why ULTIMEA 5.1CH Surround Sound Bar with Subwoofer, Dolby Atmos, VoiceMX, BassMX, APP, 300W Soundbar for Smart TV, Home Theater Surround Sound System for TV, BT 5.4, Poseidon M60 (2025 Model) is better
Audio Performance
ULTIMEA supports true 5.1-channel Dolby Atmos with precision DSP and under 0.5 ms latency, while Polk Audio only supports Dolby Digital decoding without Dolby Atmos.
Voice Clarity Technology
ULTIMEA uses VoiceMX with real-time vocal enhancement via advanced DSP algorithms, whereas Polk Audio's VoiceAdjust lacks detailed performance metrics or algorithmic specifics.
Bass Quality
ULTIMEA features a dedicated wired wooden subwoofer with an 18 mm high-excursion driver, 5.3L tuned cabinet, and high-density magnetic circuit, delivering deeper, tighter bass than Polk Audio’s unspecified wireless subwoofer.
Overall score
Specifications
| Spec | Polk Audio Signa S2 Sound Bar for Smart TV with Subwoofer, Wireless – Exclusive VoiceAdjust Technology, Ultra-Slim Design, Works with 4K & HD TVs, HDMI & Optical, Bluetooth, Wireless Streaming | ULTIMEA 5.1CH Surround Sound Bar with Subwoofer, Dolby Atmos, VoiceMX, BassMX, APP, 300W Soundbar for Smart TV, Home Theater Surround Sound System for TV, BT 5.4, Poseidon M60 (2025 Model) |
|---|---|---|
| Dolby Atmos Support | No | Yes |
| Peak Output Power | Not specified | 300W |
| Subwoofer Type | Wireless | Wired (wooden cabinet) |
| HDMI Standard | Standard ARC | eARC (up to 37 Mbps) |
| Bluetooth Version | Not specified | 5.4 |
| App Control | None mentioned | Yes (with 10-band EQ, 121 presets, OTA updates) |
Dimension comparison
Price & Value: ULTIMEA Offers a Steeper Discount
ULTIMEA 5.1CH Surround Sound Bar with Subwoofer is about 48% cheaper than Polk Audio Signa S2 Sound Bar for Smart TV with Subwoofer, priced at $129.99 compared to $249.00. This represents a significant savings of $119.01, making it the more budget-friendly option despite its advanced features. While the Polk model commands a higher price point, the ULTIMEA delivers a compelling value proposition by offering Dolby Atmos, a 300W output, and app-based audio customization at less than half the cost. The ULTIMEA’s bestseller rank of 240 reflects strong market demand, suggesting consumers are drawn to its feature-rich package at this price tier.
Audio Performance: ULTIMEA Delivers Immersive 5.1ch Surround with Dolby Atmos
ULTIMEA 5.1CH Surround Sound Bar with Subwoofer provides true 5.1-channel surround sound with Dolby Atmos support, creating an immersive 4D audio experience without requiring rear speakers. Its five built-in drivers—including two side-firing units—generate wide sound dispersion, while precision DSP ensures under 0.5 ms latency for seamless synchronization. In contrast, the Polk Audio Signa S2 relies on Dolby Digital decoding for surround effects but does not mention Dolby Atmos or multi-channel audio. The ULTIMEA’s 300W peak output and frequency response range of 45 Hz–18 kHz deliver bolder, room-filling sound capable of handling cinematic explosions and subtle nuances alike, outperforming the Polk in raw audio capability.
Voice Clarity Technology: ULTIMEA’s VoiceMX Outperforms Polk’s VoiceAdjust
ULTIMEA 5.1CH Surround Sound Bar with Subwoofer uses VoiceMX technology with advanced DSP algorithms to isolate and enhance vocal frequencies in real time, ensuring dialogue remains crisp even during loud scenes or low-volume playback. This feature actively separates speech from background music and effects, improving intelligibility. The Polk Audio Signa S2 includes VoiceAdjust technology, which also aims to improve dialogue clarity and reduce voice delays, but no details are provided on its algorithmic approach or performance metrics. Given that ULTIMEA explicitly highlights real-time vocal enhancement with measurable benefits, it appears to offer a more sophisticated solution for clear audio delivery.
Bass Quality: ULTIMEA’s Wired Wooden Subwoofer Delivers Deeper Low-End
ULTIMEA 5.1CH Surround Sound Bar with Subwoofer features a dedicated wired wooden subwoofer equipped with an 18 mm high-excursion driver, a 5.3L tuned cabinet, and a high-density magnetic circuit, designed to produce deeper, tighter bass with greater air displacement. This setup enhances low-frequency performance and realism across all content types. The Polk Audio Signa S2 includes a wireless subwoofer, but no specific details are given about its driver size, cabinet design, or magnetic structure. Without such technical specifications, the ULTIMEA’s bass system appears more engineered for depth and impact, particularly in action films and music with heavy bass lines.
Connectivity & Setup: ULTIMEA Leverages HDMI eARC and Bluetooth 5.4
ULTIMEA 5.1CH Surround Sound Bar with Subwoofer supports HDMI eARC, which enables up to 37 Mbps of bandwidth—significantly higher than standard ARC—unlocking full lossless Dolby Atmos 5.1-channel audio with richer detail and improved surround effects. It also integrates CEC for unified control between the TV and soundbar. Additionally, it features Bluetooth 5.4, offering faster device syncing and more stable connections than previous versions. The Polk Audio Signa S2 offers HDMI and optical inputs along with Bluetooth streaming, but lacks mention of eARC or Bluetooth version. This makes the ULTIMEA superior in terms of modern connectivity standards and future-proofing for high-resolution audio formats.
App Control & Customization: ULTIMEA Provides Advanced Personalization
ULTIMEA 5.1CH Surround Sound Bar with Subwoofer comes with a dedicated app that allows users to fine-tune their listening experience through a 10-band graphic EQ, 121 sound presets, and 13 adjustable surround levels. These settings let listeners tailor audio to their room layout and personal preferences, with over-the-air (OTA) updates ensuring ongoing improvements. The Polk Audio Signa S2 does not mention any app-based controls or customizable audio profiles. This lack of digital interface limits user adaptability, placing the ULTIMEA ahead in flexibility and long-term usability.
Which should you buy?
Choose the ULTIMEA 5.1CH Surround Sound Bar with Subwoofer if you want a premium home theater experience at a fraction of the cost. Priced at $129.99—about 48% less than the Polk Audio Signa S2—it delivers Dolby Atmos, 300W output, VoiceMX for crystal-clear dialogue, and a wired wooden subwoofer with deep bass. Its HDMI eARC, Bluetooth 5.4, and advanced app control further elevate its value. The Polk Audio Signa S2, while well-regarded for its ultra-slim design and wireless subwoofer, lacks key features like Dolby Atmos, eARC, and app-based tuning. For buyers prioritizing immersive audio, cutting-edge tech, and affordability, the ULTIMEA is the clear winner.

