Short answer: the Sonos Era 100, if you are buying new. The Marshall Stanmore II ranks higher than it (#11 vs #15 of 20 powered desktop speakers, 3.7/5 vs 3.6/5) but is discontinued, so only consider it used; the Sonos Era 100 is still sold new at $219.
What the Marshall Stanmore II does well: It supports aptX Bluetooth, which the Sonos Era 100 lacks. It keeps a wired aux input, which the Sonos Era 100 lacks.
The case for the Sonos Era 100: It streams over Wi-Fi as well as Bluetooth, which the Marshall Stanmore II cannot. It links with other speakers (Sonos multi-room, AirPlay 2), which the Marshall Stanmore II cannot. The catch: RTINGS’ own two listed cons are not loud enough for larger rooms and very little low-bass thump, so genres like EDM and hip-hop lack rumble even with the tone adjustments.
Buy the Sonos Era 100 if you want one new; the Marshall Stanmore II is discontinued, so only look for it used.
Want more options? Browse the full Powered Home rankings.
Specifications Side By Side
| Marshall Stanmore II | Sonos Era 100 | |
|---|---|---|
| Price | $300 each Discontinued | $219.00 each |
| Ranked | #11 of 20 in Medium Size Powered Desktop Speakers | #15 of 20 in Medium Size Powered Desktop Speakers |
| Aux Input | Yes | No |
| Bass Extension (-10dB) | 55Hz | - |
| Battery Life | No Battery | No Battery |
| IP Rating | None | None |
| Power Bank | No | No |
| Power Input | AC Power brick | External AC adapter |
| Stereo | Partially (1 woofer) | Yes |
| Weight | 10.3 lbs (4.65 kg) | 4.5 lbs (2.02 kg) |
| App | Yes | Yes (Sonos S2) |
| Bluetooth Codecs | SBC, aptX | SBC |
| Bluetooth Version | 5.0 | 5.0 |
| Dimensions | 13.8” x 7.9” x 7.3” (350 x 200 x 185 mm) | 7.2” x 4.7” x 5.1” (182.5 x 120 x 130.5 mm) |
| EQ | Yes (Bass/Treble) | Yes (Bass/Treble + Trueplay room correction) |
| Frequency Response | 50Hz - 20kHz (Manufacturer specified) | - |
| Inputs | Bluetooth, RCA, Aux, Optical | Wi-Fi, Bluetooth, USB-C (line-in adapter sold separately) |
| Drivers | 5.25” woofer, 2x 2” midranges, 2x 0.75” Dome tweeters | 2x angled tweeters, 1x mid-woofer |
| Party Mode | No | Yes (Sonos multi-room, AirPlay 2) |
| TWS | Yes | Yes (stereo pairing via Sonos app) |
| Voice Assistants | None | Amazon Alexa |
| Wi-Fi | No | Yes (Wi-Fi 6) |
| Woofer Cabinet | ported | - |
| Amplifier Power | 80W (Woofer: 50W, Tweeters: 2x15W) | - |
| XLR Input | No | No |
| RCA Input | Yes | No |
| TRS Input | No | No |
| Optical Input | Yes | No |
| Coaxial Input | No | No |
| USB Input | No | Yes (line-in adapter sold separately) |
| HDMI Input | No | No |
| AES Input | No | No |
| Bluetooth | Yes | Yes |
| Built-in Microphone | - | Yes (far-field, mic mute button) |
| Streaming Services | - | Sonos app streaming (Spotify, Apple Music, Amazon Music and more), AirPlay 2 |
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Prices on this page were last checked October 4, 2026 at 9:58 PM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.
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The Two Speakers In Full
Marshall Stanmore II: $300 each Discontinued eBay
Newer model: the Marshall Stanmore IV, ranked higher, estimated 3.8/5.
Pros: Marshall Stanmore II uses 5.25” woofer, 2x 2” midranges, 2x 0.75” Dome tweeters. Its 4.65 kg, aux input and limited-stereo playback make it a practical option for its intended room or portable use. Measured bass extension of 55Hz (-10dB).
Cons: Bass is limited by its 55Hz specification. Discontinued.
Full Marshall Stanmore II review and specifications →
| AES Input | No |
|---|---|
| Amplifier Power | 80W (Woofer: 50W, Tweeters: 2x15W) |
| App | Yes |
| Aux Input | Yes |
| Bass Extension (-10dB) | 55Hz |
| Battery Life | No Battery |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC, aptX |
| Bluetooth Version | 5.0 |
| Coaxial Input | No |
| Dimensions | 13.8” x 7.9” x 7.3” (350 x 200 x 185 mm) |
| Drivers | 5.25” woofer, 2x 2” midranges, 2x 0.75” Dome tweeters |
| EQ | Yes (Bass/Treble) |
| Frequency Response | 50Hz - 20kHz (Manufacturer specified) |
| HDMI Input | No |
| IP Rating | None |
| Inputs | Bluetooth, RCA, Aux, Optical |
| Optical Input | Yes |
| Party Mode | No |
| Power Bank | No |
| Power Input | AC Power brick |
| RCA Input | Yes |
| Stereo | Partially (1 woofer) |
| TRS Input | No |
| TWS | Yes |
| USB Input | No |
| Voice Assistants | None |
| Weight | 10.3 lbs (4.65 kg) |
| Wi-Fi | No |
| Woofer Cabinet | ported |
| XLR Input | No |
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Sonos Era 100: $219.00 each Amazon eBay
Larger model: the Sonos Era 300 (rated 4/5).
Pros: RTINGS lists room correction tools and bass/treble adjustments as its real strengths, and its balanced midrange suits a wide range of genres, with wider stereo separation than the mono Sonos One SL it replaced thanks to two angled tweeters plus a 25% larger mid-woofer than the original Sonos One. Alexa is built in with a far-field mic, and it ties into the wider Sonos S2 app ecosystem for multi-room audio.
Cons: RTINGS’ own two listed cons are not loud enough for larger rooms and very little low-bass thump, so genres like EDM and hip-hop lack rumble even with the tone adjustments. There’s no Google Assistant, the USB-C line-in needs a separately purchased adapter, and there’s no battery.
Full Sonos Era 100 review and specifications →
| AES Input | No |
|---|---|
| App | Yes (Sonos S2) |
| Aux Input | No |
| Battery Life | No Battery |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 5.0 |
| Built-in Microphone | Yes (far-field, mic mute button) |
| Coaxial Input | No |
| Dimensions | 7.2” x 4.7” x 5.1” (182.5 x 120 x 130.5 mm) |
| Drivers | 2x angled tweeters, 1x mid-woofer |
| EQ | Yes (Bass/Treble + Trueplay room correction) |
| HDMI Input | No |
| IP Rating | None |
| Inputs | Wi-Fi, Bluetooth, USB-C (line-in adapter sold separately) |
| Optical Input | No |
| Party Mode | Yes (Sonos multi-room, AirPlay 2) |
| Power Bank | No |
| Power Input | External AC adapter |
| RCA Input | No |
| Stereo | Yes |
| Streaming Services | Sonos app streaming (Spotify, Apple Music, Amazon Music and more), AirPlay 2 |
| TRS Input | No |
| TWS | Yes (stereo pairing via Sonos app) |
| USB Input | Yes (line-in adapter sold separately) |
| Voice Assistants | Amazon Alexa |
| Weight | 4.5 lbs (2.02 kg) |
| Wi-Fi | Yes (Wi-Fi 6) |
| XLR Input | No |
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