Soundbars / Compare
Polk Audio Signa S2 vs ULTIMEA Poseidon M60
Product A: Polk Audio
53 of 98 known
Change Polk Audio Signa S2
Product B: ULTIMEA
46 of 98 known
Change ULTIMEA Poseidon M60
38 of 90 fields differ
- 23 different values
- 15 known for one only
- 15 the same
- 37 missing for both
Biggest differences
Each bar uses the scale of all 69 soundbars.
- Standby powerLower is betterA: 0.3WB: 0.5WPolk Audio is 0.2 W lower.
All 98 fields
Every value links to where we found it.


Audio system
8 of 17 differ
System channel configuration
Physical drivers in the package
Physical drivers in the bar
Up-firing drivers in the package
Not available
Driver layout
APolk Audio Signa S2
| Component | Driver type | Count | Diameter (mm) | Orientation |
|---|---|---|---|---|
| Soundbar | Full-range oval driver, 32 × 112 mm | 2 | Not available | Front array |
| Soundbar | Tweeter | 2 | 25 | Not available |
| Subwoofer | Woofer | 1 | 133.35 | Not available |
BULTIMEA Poseidon M60
| Component | Driver type | Count | Diameter (mm) | Orientation |
|---|---|---|---|---|
| Soundbar | Full-range driver | 5 | 57.15 | Includes 2 side-firing drivers |
| Subwoofer | Woofer | 1 | 133.35 | Not available |
Source1Maker product pageultimea.com/products/poseidon-m60-5-1-soundbarRead 14 October 2026Key specs: mainbar 2.25 inch x 5 and sub 5.25 inch x 1. 2.25 inch is 57.15 mm and 5.25 inch is 133.35 mm. The Amazon listing says two of the five bar drivers are side-firing.2Owner's manualm.media-amazon.com/images/I/D18dCdvRiCL.pdfRead 14 October 2026English specification: Drivers 2.25 inch x 5 (Soundbar) + 5.25 inch (Subwoofer).3Retailer pageamazon.com/dp/B0F62YBNSXRead 14 October 2026Maker brand listing: five built-in speakers including two side-firing drivers and one wired 5.25 inch subwoofer.
Separate subwoofer included
Included subwoofer connection
Wired2Owner's manualm.media-amazon.com/images/I/D18dCdvRiCL.pdfRead 14 October 2026Setup page: plug the RCA terminal of the cable behind the subwoofer into the SUB OUT port of the soundbar. The Amazon listing calls it a wired subwoofer.3Retailer pageamazon.com/dp/B0F62YBNSXRead 14 October 2026Maker brand listing: wired wooden subwoofer.
Included subwoofer driver diameter
Rear speakers included
Included rear speaker connection
Not available
Not available
Detachable rear speakers
Compatible optional subwoofers
Not available
Not available
Compatible optional rear speakers
Not available
Not available
Total RMS audio output power
Not available
Not available
Total peak audio output power
Not available
Published frequency response lower limit
45Hz1Maker product pageultimea.com/products/poseidon-m60-5-1-soundbarRead 14 October 2026Key specs: Frequency Range 45Hz - 18kHz. The user guide adds -6 dB.2Owner's manualm.media-amazon.com/images/I/D18dCdvRiCL.pdfRead 14 October 2026English audio specification: Frequency response 45Hz - 18kHz (-6dB). The guide states the -6 dB tolerance.
Published frequency response upper limit
18kHz1Maker product pageultimea.com/products/poseidon-m60-5-1-soundbarRead 14 October 2026Key specs: Frequency Range 45Hz - 18kHz. The user guide adds -6 dB.2Owner's manualm.media-amazon.com/images/I/D18dCdvRiCL.pdfRead 14 October 2026English audio specification: Frequency response 45Hz - 18kHz (-6dB).
Audio formats
4 of 9 differ
Dolby Atmos
Supported audio formats
Audio formats by connection
APolk Audio Signa S2
| Connection | Format | Max input channels |
|---|---|---|
| HDMI ARC | Dolby Digital | 6 |
| Optical | Dolby Digital | 6 |
BULTIMEA Poseidon M60
| Connection | Format |
|---|---|
| HDMI eARC | Dolby Atmos |
Music file formats
Not available
Not available
Max wired audio sample rate
Not available
Not available
Max music file sample rate
Not available
Not available
Max wired audio bit depth
Not available
Not available
Max music file bit depth
Not available
Not available
Connectivity
4 of 17 differ
Ports on the bar
APolk Audio Signa S2
| Connector | Count | Role |
|---|---|---|
| HDMI | 1 | TV connection with ARC |
| Optical | 1 | Digital audio input |
| 3.5 mm audio | 1 | Analog AUX audio input |
| AC power | 1 | Soundbar power input |
BULTIMEA Poseidon M60
| Connector | Count | Role |
|---|---|---|
| HDMI | 1 | HDMI to TV, eARC/ARC |
| Optical | 1 | Digital audio input |
| USB-A | 1 | USB input |
| Subwoofer | 1 | SUB OUT, RCA output to the wired subwoofer |
| DC power | 1 | DC IN for the external power adapter, 24 V 3 A |
Source1Maker product pageultimea.com/products/poseidon-m60-5-1-soundbarRead 14 October 2026Key specs connectivity: HDMI eARC x1, Optical x1, USB x1. The maker photo of the rear panel also shows SUB OUT and DC IN and a standard USB-A shaped port. The user guide drawing agrees.2Owner's manualm.media-amazon.com/images/I/D18dCdvRiCL.pdfRead 14 October 2026English audio inputs: HDMI, Optical, Bluetooth and USB. Rear panel drawing: HDMI to TV (eARC), OPTICAL, USB, SUB OUT, DC IN.
HDMI ARC
HDMI eARC
HDMI-CEC
HDMI video passthrough
Video passthrough modes
Not available
Not available
HDR passthrough formats
Not available
Not available
VRR passthrough
Not available
Not available
ALLM passthrough
Not available
Not available
Bluetooth audio input
Bluetooth version
Not available
Bluetooth audio codecs
Not available
Not available
Wi-Fi
Not available
Not available
Wi-Fi standard
Not available
Not available
Wi-Fi bands
Not available
Not available
Built-in Ethernet speed
Not available
Not available
Streaming and control
2 of 8 differ
Streaming protocols
Not available
Not available
Voice assistants
Not available
Not available
Built-in microphone
Not available
Not available
Microphone mute control
Not available
Not available
Companion apps
Not available
Companion app platforms
Not available
Multiroom audio
Not available
Not available
Sound processing
2 of 7 differ
Sound modes
Automatic room calibration
Not available
Not available
Room calibration system
Not available
Not available
Dialogue enhancement
Night mode
Equalizer controls
Bass, Midrange, Treble, Surround level, 10-band graphic EQ (app)1Maker product pageultimea.com/products/poseidon-m60-5-1-soundbarRead 14 October 2026The maker remote photo has Bass, Midrange, Treble and Surround level keys. The Amazon listing says the app has a 10-band graphic EQ.3Retailer pageamazon.com/dp/B0F62YBNSXRead 14 October 2026Maker brand listing: the app has a 10-band graphic EQ, 121 sound presets and 13 adjustable surround levels.
TV speaker integration
Not available
Not available
Power
4 of 6 differ
Published operating power
Not available
Published standby power
Published networked standby power
Power supply
Sound bar: AC 100 to 230 V, 50/60 Hz. The wireless subwoofer has its own power cord, AC 100 to 230 V, 50/60 Hz.3Owner's manualpolkaudio.com/on/demandware.static/-/Library-Sites-polk_northamerica_shared/default/dwfc4e9ad6/downloads/signa-s2-quickstartguide-en.pdfRead 16 October 2026Specifications: sound bar AC 100 to 230 V, 50/60 Hz and subwoofer AC 100 to 230 V, 50/60 Hz.
External power adapter, DC 24 V 3 A for the soundbar.2Owner's manualm.media-amazon.com/images/I/D18dCdvRiCL.pdfRead 14 October 2026English specification: Power supply DC 24V 3A (Soundbar). The box has one power adapter.
Detachable rear battery life
Not available
Not available
Detachable rear charge time
Not available
Not available
Measured
None of 8 known
Low-frequency extension (measured)
Not available
Not available
High-frequency extension (measured)
Not available
Not available
Max sound pressure (measured)
Not available
Not available
Frequency response deviation (measured)
Not available
Not available
Measured latency
Not available
Not available
Operating power (measured)
Not available
Not available
Standby power (measured)
Not available
Not available
Soundbar weight (measured)
Not available
Not available
Dimensions and weight
5 of 6 differ
Soundbar dimensions
Width900Height55Depth84mm(35.4 × 2.2 × 3.3 in)2Maker spec sheet (PDF)polkaudio.com/on/demandware.static/-/Library-Sites-polk_northamerica_shared/default/dw53444bb5/downloads/signa-s2-infosheet-en.pdfRead 16 October 2026Infosheet gives the bar as W x H x D 90 x 5.5 x 8.4 cm. The product page gives 899.9 x 54.6 x 81.8 mm (35.43 x 2.15 x 3.22 in). The infosheet is used.
Width800Height70Depth90mm(31.5 × 2.8 × 3.5 in)1Maker product pageultimea.com/products/poseidon-m60-5-1-soundbarRead 14 October 2026Key specs: Mainbar 800 (L) x 90 (D) x 70 (H) mm. The user guide gives 800 x 70 x 90 mm as W x H x D.2Owner's manualm.media-amazon.com/images/I/D18dCdvRiCL.pdfRead 14 October 2026English dimensions: Soundbar 800 x 70 x 90 mm (W x H x D).
Soundbar weight
Not available
Component dimensions and weight
APolk Audio Signa S2
| Component | Width (mm) | Height (mm) | Depth (mm) | Weight (g) |
|---|---|---|---|---|
| Subwoofer | 171 | 341 | 312 | 5,200 |
BULTIMEA Poseidon M60
| Component | Width (mm) | Height (mm) | Depth (mm) |
|---|---|---|---|
| Subwoofer | 150 | 188 | 350 |
Source1Maker product pageultimea.com/products/poseidon-m60-5-1-soundbarRead 14 October 2026The page text gives the sub as 175 (W) x 350 (D) x 150 (H) mm. The maker dimension diagram on the same page and the English user guide show 150 mm wide, 188 mm high and 350 mm deep. The diagram and the guide are used. No subwoofer weight is published.2Owner's manualm.media-amazon.com/images/I/D18dCdvRiCL.pdfRead 14 October 2026English dimensions: Subwoofer 150 x 188 x 350 mm (W x H x D). Other language pages of the guide print 6.89 inch for the height, which is 175 mm, so the guide is not fully consistent. The maker diagram on the product page shows 188 mm. The weight is not published.
Package dimensions
Width975.4Height241.3Depth482.6mm(38.4 × 9.5 × 19 in)7Retailer pagegreentoe.com/product/Polk_Audio_Polk_Audio_Signa_S2_2-1-Channel_Soundbar_System_AM6214-ARead 16 October 2026Box dimensions (LxWxH) 38.4 x 19 x 9.5 in, mapped to width, depth and height in that order. Inches converted exactly and rounded to 0.1 mm.
Width445Height345Depth190mm(17.5 × 13.6 × 7.5 in)1Maker product pageultimea.com/products/poseidon-m60-5-1-soundbarRead 14 October 2026Page text: packaging 347 (W) x 448 (H) x 191 (D) mm. The English user guide gives 445 x 345 x 190 mm as W x H x D, which is the same box with width and height swapped. The guide order is used.2Owner's manualm.media-amazon.com/images/I/D18dCdvRiCL.pdfRead 14 October 2026English dimensions: Packaging 445 x 345 x 190 mm (W x H x D). The same section gives Packaging Weight 6.4 kg. That weight is not stored because the product page gives a different total weight of 7.3 kg and a product weight of 6.5 kg.
Package weight
Not available
Wall mountable
Yes1Maker product pagepolkaudio.com/en-us/product/sound-bars/signa-s2/112625.htmlRead 16 October 2026Specifications table lists mounting type keyhole hanger.2Maker spec sheet (PDF)polkaudio.com/on/demandware.static/-/Library-Sites-polk_northamerica_shared/default/dw53444bb5/downloads/signa-s2-infosheet-en.pdfRead 16 October 2026Infosheet: wall mountable yes.
In the box
3 of 4 differ
In the box
Sound bar, Subwoofer, Remote control, AAA battery, 5 ft (1.5 m) HDMI cable, 5 ft (1.5 m) optical cable, Sound bar power cord, Subwoofer power cord, Spacers, Quick start guide1Maker product pagepolkaudio.com/en-us/product/sound-bars/signa-s2/112625.htmlRead 16 October 2026Specifications table: 2 pieces, 1 sound bar and 1 subwoofer, with a 5 ft HDMI cable, a 5 ft optical cable, a quick start guide and an IR remote control. The quick start guide adds the AAA remote battery, both power cords and spacers.
Soundbar, Wired subwoofer, Power adapter, Remote control (batteries not included), HDMI cable, Wall brackets (2), Mounting screws (2), Wall mounting kit (4)1Maker product pageultimea.com/products/poseidon-m60-5-1-soundbarRead 14 October 2026Kit includes: x1 Power Adaptor, x1 Remote Control, x2 Wall Bracket, x1 HDMI Cable, x4 Wall Mounting Kit, x2 Mounting Screw on Speakers. The soundbar and the subwoofer come from the Amazon listing, which names both.3Retailer pageamazon.com/dp/B0F62YBNSXRead 14 October 2026Amazon box list: 1x Soundbar, 1x Wired Subwoofer, 1x Power Adaptor, 1x HDMI Cable, 1x Remote Control (batteries not included), 2x Wall Bracket, 2x Mounting Screws, 4x Wall Mounted Kit.
Wall mount hardware included
Not available
General
5 of 7 differ
Series
Model numbers
112625-01-00-101, AM6214-A, AM6215-A1Maker product pagepolkaudio.com/en-us/product/sound-bars/signa-s2/112625.htmlRead 16 October 2026US page SKU and MPN 112625-01-00-101. The infosheet lists AM6214-A and the international SKU AM6215-A for the same product.
U3721, U3721US10-US1Maker product pageultimea.com/products/poseidon-m60-5-1-soundbarRead 14 October 2026The US variant SKU is U3721US10-US. The user guide and the Amazon listing give the model number U3721. The EU product Poseidon M60 Boom is model U3722 with a 340 W peak rating and is a different product.3Retailer pageamazon.com/dp/B0F62YBNSXRead 14 October 2026Amazon item details: Model Number U3721, Model Name Poseidon M60.
GTIN / EAN
Not available
Announced
Not available
Status
Predecessor
Not available
Not available
Successor
Not available
Not available
Launch price (US)
Not available
Not available
Launch price (EU)
Not available
Markets
US, EU1Maker product pagepolkaudio.com/en-us/product/sound-bars/signa-s2/112625.htmlRead 16 October 2026US page lists the US SKU. The EU market comes from the German launch report.4Press articleareadvd.de/news/polk-audio-praesentiert-neue-tv-soundbar-signa-s2Read 16 October 2026German launch report names the German market.
Colours
Black1Maker product pagepolkaudio.com/en-us/product/sound-bars/signa-s2/112625.htmlRead 16 October 2026
Not available
Links
Not compared
Product page
Spec sheet
www.polkaudio.com/on/demandware.static/-/Library-Sites-polk_northamerica_shared/default/dw53444bb5/downloads/signa-s2-infosheet-en.pdf2Maker spec sheet (PDF)polkaudio.com/on/demandware.static/-/Library-Sites-polk_northamerica_shared/default/dw53444bb5/downloads/signa-s2-infosheet-en.pdfRead 16 October 2026
Not available
Manual
www.polkaudio.com/on/demandware.static/-/Library-Sites-polk_northamerica_shared/default/dwfc4e9ad6/downloads/signa-s2-quickstartguide-en.pdf3Owner's manualpolkaudio.com/on/demandware.static/-/Library-Sites-polk_northamerica_shared/default/dwfc4e9ad6/downloads/signa-s2-quickstartguide-en.pdfRead 16 October 2026The quick start guide is the only guide on the maker site. It says the complete owner's manual is online, but the page links no such file.
m.media-amazon.com/images/I/D18dCdvRiCL.pdf2Owner's manualm.media-amazon.com/images/I/D18dCdvRiCL.pdfRead 14 October 2026Multi-language user guide for model U3721, 20 pages. The text is outlined, so the figures were read from the page images. The file is the maker guide that Amazon links as User Guide (PDF).
EPREL registration number
Not available
Not available
Warranty
1 of 1 differ
Manufacturer warranty (source market)
Not available
Both are also in the API. Back to all soundbars.


















