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Acton II Voice vs. Stanmore II vs. Uxbridge Voice

Marshall has three smart speakers currently available. So, what are the main differences between the Acton II Voice, Stanmore II Voice and Uxbridge Voice?

You can find out in this versus guide.

Quick Summary

When compared to the Acton II Voice and Uxbridge Voice, the Stanmore II Voice has the highest maximum sound pressure level in addition to the best power amplifier setup. The Stanmore II is also the only one out of this group to support RCA input.

The Acton II Voice is the second best when it comes to max SPL and power amp. It is also tied with the Stanmore II Voice at having the widest frequency ranges.

The Uxbridge Voice has the worst specs out of this group. Unlike the Acton II Voice and Stanmore II Voice, this speaker does not support 3.5 mm input. With that said, it is the only one to support Airplay 2 and WAP2. Not to mention that the Uxbridge is also the most affordable option.

If you are interested, you can purchase any of the aforementioned smart speakers on Amazon with the following links:

Acton II Voice vs. Stanmore II vs. Uxbridge Voice Comparison Chart

You can find a comparison table between the three Marshall smart speakers below.

 Marshall Acton II Voice Smart SpeakerMarshall Stanmore II Voice Smart SpeakerMarshall Uxbridge Voice Smart Speaker
Voice CommandAmazon Alexa

Google Assistant
Amazon Alexa

Google Assistant
Amazon Alexa

Google Assistant
Weight4.53 lbs. (or 2.85 kg)10.47 lbs. (or 4.75 kg)3.06 lbs. (or 1.39 kg)
Dimensions10.24 in x 6.30 in x 5.91 in (or 260 mm x 160 mm x 150 mm)13.78 in x 7.68 in x 7.28 in (or 350 mm x 195 mm x 185 mm)5.04 in x 6.61 in x 4.84 in (or 128 mm x 168 mm x 123 mm)
Color VariantsBlackBlackBlack

White
What’s in the BoxActon II Voice with Amazon Alexa or Google Assistant

Mains lead

Quick start guide

Legal and safety information
Stanmore II Voice with Amazon Alexa or Google Assistant

Mains lead

Quick start guide

Legal and safety information
Uxbridge Voice with Amazon Alexa or Google Assistant

Mains lead

Quick start guide

Legal and safety information
Required AppsAmazon Alexa Versions: Amazon Alexa App and Marshall Voice App

Google Assistant Versions: Google Assistant App and Google Home App
Amazon Alexa Versions: Amazon Alexa App and Marshall Voice App

Google Assistant Versions: Google Assistant App and Google Home App
Amazon Alexa Versions: Amazon Alexa App and Marshall Voice App

Google Assistant Versions: Google Assistant App and Google Home App
Wi-Fi Network FeaturesWPA

802.11b/g/n/ac

2.4 GHz/5 GHz
WPA

802.11b/g/n/ac

2.4 GHz/5 GHz
WPA/WAP2

802.11a/b/g/n/ac

2.4 GHz/5 GHz
Top Panel ControlsSource button

Volume control knob

Bass control knob

Treble control knob

Play/Pause button

Mute/Unmute mic button
Source button

Volume control knob

Bass control knob

Treble control knob

Play/Pause button

Mute/Unmute mic button
Volume button

Bass button

Treble button

Play/Pause/Skip button

Mute/Unmute mic and push to talk button

Bluetooth pairing button
Microphone SystemDual mic array with acoustic noise cancellationDual mic array with acoustic noise cancellationDual mic array with acoustic noise cancellation
Wired Connectivity3.5 mm3.5 mm

RCA
None
Wireless ConnectivityAmazon Alexa Version: Bluetooth and Spotify Connect

Google Assistant Version: Bluetooth and Built-In Chromecast
Amazon Alexa Version: Bluetooth and Spotify Connect

Google Assistant Version: Bluetooth and Built-In Chromecast
Amazon Alexa Version: Airplay 2, Bluetooth and Spotify Connect

Google Assistant Version: Airplay 2, Bluetooth and Built-In Chromecast
Frequency Range50 Hz to 20,000 Hz50 Hz to 20,000 Hz54 Hz to 20,000 Hz
Stereo or Mono?StereoStereoStereo
Maximum Sound Pressure Level98 dB SPL @ 1 m101 dB SPL @ 1 m96 dB SPL @ 1 m
Cabinet PrincipleBass-reflexBass-reflexEnclosed
Power Amplifiers1x 30 Watt Class D amplifier for woofer

2x 15 Watt Class D amplifier for tweeters
1x 50 Watt Class D amplifier for woofer

2x 15 Watt Class D amplifiers for tweeters
1x 30 Watt Class D amplifier for woofer and tweeter
Mains Input Voltage100 V to 240 V100 V to 240 V100 V to 240 V
Network Standby Power ConsumptionLess than 2 WLess than 2 WLess than 2 W
Mains Frequency50 Hz/60 Hz50 Hz/60 Hz50 Hz/60 Hz
PricingCheck price on Amazon.Check price on Amazon.Check price on Amazon.

Voice Command

The Acton II Voice, Stanmore II and Uxbridge Voice are available in two different versions as you can pick between one that supports Amazon Alexa or the other that supports Google Assistant.

Weight

The Stanmore II Voice is easily the heaviest out of this group, weighing more than twice as much as the second heaviest, the Acton II Voice. The Uxbridge Voice is the lightest.

You can check out the weight specifications for all three speakers below:

  • Acton II Voice: 4.53 lbs. (or 2.85 kg)
  • Stanmore II Voice: 10.47 lbs. (or 4.75 kg)
  • Uxbridge Voice: 3.06 lbs. (or 1.39 kg)

Dimensions

The Stanmore II Voice is also the biggest in terms of size. The Acton II Voice is slightly smaller while the Uxbridge Voice is the smallest overall.

You can take a look at the full measurements below:

  • Acton II Voice: 10.24 in x 6.30 in x 5.91 in (or 260 mm x 160 mm x 150 mm)
  • Stanmore II Voice: 13.78 in x 7.68 in x 7.28 in (or 350 mm x 195 mm x 185 mm)
  • Uxbridge Voice: 5.04 in x 6.61 in x 4.84 in (or 128 mm x 168 mm x 123 mm)

Color Variants

You can also check out the available color options for all three Marshall smart speakers below:

Acton II Voice:

  • Black

Stanmore II Voice:

  • Black

Uxbridge Voice:

  • Black
  • White

What’s in the Box

Along with the main speaker unit, each product also comes with a mains lead, quick starter guide as well as a legal and safety document.

You can find a breakdown of the included content in each packaging below:

Acton II Voice:

  • Acton II Voice with Amazon Alexa or Google Assistant
  • Mains lead
  • Quick start guide
  • Legal and safety information

Stanmore II Voice:

  • Stanmore II Voice with Amazon Alexa or Google Assistant
  • Mains lead
  • Quick start guide
  • Legal and safety information

Uxbridge Voice:

  • Uxbridge Voice with Amazon Alexa or Google Assistant
  • Mains lead
  • Quick start guide
  • Legal and safety information

Required Apps

The Acton II Voice, Stanmore II Voice and Uxbridge Voice all support the same smartphone apps.

For the Amazon Alexa versions, you will need the Amazon Alexa App and Marshall Voice App.

For the Google Assistant versions, you will need the Google Assistant App and Google Home App.

Wi-Fi Network Features

When it comes to Wi-Fi features, the Uxbridge Voice is the only one out of the three to support WPA 2. Otherwise, the smart speakers in this comparison have identical features.

You can find the full lists below:

Acton II Voice:

  • WPA
  • 802.11b/g/n/ac
  • 2.4 GHz/5 GHz

Stanmore II Voice:

  • WPA
  • 802.11b/g/n/ac
  • 2.4 GHz/5 GHz

Uxbridge Voice:

  • WPA/WAP2
  • 802.11a/b/g/n/ac
  • 2.4 GHz/5 GHz

Top Panel Controls

You can take a look at top panel controls for the three speakers below:

Acton II Voice:

  • Source button
  • Volume control knob
  • Bass control knob
  • Treble control knob
  • Play/Pause button
  • Mute/Unmute mic button

Stanmore II Voice:

  • Source button
  • Volume control knob
  • Bass control knob
  • Treble control knob
  • Play/Pause button
  • Mute/Unmute mic button

Uxbridge Voice:

  • Volume button
  • Bass button
  • Treble button
  • Play/Pause/Skip button
  • Mute/Unmute mic and push to talk button
  • Bluetooth pairing button

Microphone System

The three smart speakers use the same microphone system, which is a dual mic array with acoustic noise cancellation. This setup makes far field voice interaction between you and the speaker possible.

Wired Connectivity

Only the Acton II Voice and Stanmore II Voice support 3.5 mm input as the Uxbridge Voice is strictly a wireless speaker in terms of connectivity.

The Stanmore II Voice also features support for RCA input.

Wireless Connectivity

The Amazon Alexa versions of the Acton II Voice and Stanmore II Voice have the same wireless connection options. The Google Assistant versions for these two speakers also have the same wireless connectivity options.

With the newer Uxbridge Voice, Marshall added Airplay 2 support.

You can check out a breakdown of the wireless connectivity options below:

Acton II Voice:

  • Amazon Alexa Version: Bluetooth and Spotify Connect
  • Google Assistant Version: Bluetooth and Built-In Chromecast

Stanmore II Voice:

  • Amazon Alexa Version: Bluetooth and Spotify Connect
  • Google Assistant Version: Bluetooth and Built-In Chromecast

Uxbridge Voice:

  • Amazon Alexa Version: Airplay 2, Bluetooth and Spotify Connect
  • Google Assistant Version: Airplay 2, Bluetooth and Built-In Chromecast

Frequency Range

When it comes to the frequency range, the Acton II Voice and Stanmore II Voice both support lower ranges when compared to the Uxbridge Voice.

You can find the specs below:

  • Acton II Voice: 50 Hz to 20,000 Hz
  • Stanmore II Voice: 50 Hz to 20,000 Hz
  • Uxbridge Voice: 54 Hz to 20,000 Hz

Stereo or Mono?

All three speakers in this comparison guide are stereo speakers.

Maximum Sound Pressure Level

When it comes to the maximum sound pressure level, the Stanmore II Voice offers the highest dB, followed by the Acton II Voice. The Uxbridge Voice has the lowest dB.

You can check out the max SPL for all three below:

  • Acton II Voice: 98 dB SPL @ 1 m
  • Stanmore II Voice: 101 dB SPL @ 1 m
  • Uxbridge Voice: 96 dB SPL @ 1 m

Cabinet Principle

When it comes to cabinet principle, the Acton II Voice and Stanmore II Voice are both bass-reflex while the Uxbridge Voice is enclosed.

Power Amplifiers

For power amplifiers, the Stanmore II Voice is the best equipped, followed by the Acton II Voice and then the Uxbridge Voice.

You can find the amp setups for the three smart speakers below:

Acton II Voice:

  • 1x 30 Watt Class D amplifier for woofer
  • 2x 15 Watt Class D amplifier for tweeters

Stanmore II Voice:

  • 1x 50 Watt Class D amplifier for woofer
  • 2x 15 Watt Class D amplifiers for tweeters

Uxbridge Voice:

  • 1x 30 Watt Class D amplifier for woofer and tweeter

Mains Input Voltage

The mains input voltages for the three speakers are identical at 100 V to 240 V.

Network Standby Power Consumption

The network standby power consumption for these Marshall speakers is also the same at less than 2 W.

Mains Frequency

Furthermore, all three also offer the same mains frequency at 50 Hz/60 Hz.

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