About the Marshall Stanmore III
Product highlights:
- classic Marshall looks and powerful sound
- Bluetooth 5.2 streaming
- multipoint connection for pairing to two devices at once
- brass volume, bass, and treble control knobs and power switch on top panel
- two-way driver design in a ported cabinet
- 5" woofer
- two 3/4" tweeters
- tweeters feature new waveguides and are angled outward for a broader soundstage
- total system power: 80 watts (15 watts x 2 tweeters and 50 watts woofer)
- Placement Compensation automatically corrects for any nearby reflective surfaces
- Dynamic Loudness delivers balanced sound at any volume level
- frequency response: 45-20,000 Hz
- max. SPL: 97 dB at 1 meter
Marshall Bluetooth app:
- free download from Apple® App Store and Google Play
- access equalizer settings and other sound adjustments
- enable over-the-air firmware updates
Connections:
- 3.5mm stereo input
- RCA stereo input
Other info:
- AC power required (power cable included)
- dimensions: 13-13/16"W x 8-1/16"H x 8-7/16"D
- weight: 13.5 lbs.
- warranty: 1 year
- MFR # 1006015
- Item # 972STNMR3C
What's in the box:
Marshall Stanmore III owner's manual
If you need assistance accessing this owner's manual, please give us a call.- Bluetooth portable speaker
- 67" AC power cord
- Quick Start Guide
- Legal & Safety booklet
More details on the Marshall Stanmore III
Features & specs
| Connections | ||
|---|---|---|
| Ethernet Port | No | |
| USB-A Port | No | |
| USB-B Port | No | |
| USB-C Port | No | |
| 3.5mm Input | 1 | |
| RCA Input | 1 | |
| XLR Input | No | |
| Phono Input | No | |
| Optical Digital Input | No | |
| Coaxial Digital Input | No | |
| HDMI Input | No | |
| Headphone Jack | No | |
| Subwoofer Output | No | |
| Wireless Features | ||
| Bluetooth | Built-in | |
| Wi-Fi | No | |
| Wi-Fi Bands | No | |
| Stereo Speaker Pairing | No | |
| Driver Details | ||
| Tweeter Size (Inches) | 0.75 | |
| Tweeter Type | Dome | |
| Tweeter Material | Not given | |
| Midrange Size (Inches) | --- | |
| Midrange Type | --- | |
| Woofer Size (Inches) | 5 | |
| Woofer Type | Not given | |
| Audio Specs | ||
| Watts RMS (Continuous) | 80 | |
| Watts Maximum (Peak) | Not given | |
| Frequency Response | 45-20k | |
| Max. Digital Audio Bit Depth | N/A | |
| Max. Digital Audio Sample Rate | N/A | |
| High-res Audio Playback | ||
| From Network | No | |
| From USB Thumb Drive (USB-A) | No | |
| From Computer (USB-B) | No | |
| Streaming Compatibility | ||
| Apple AirPlay | No | |
| Apple AirPlay 2 | No | |
| DTS Play-Fi | No | |
| Google Cast | No | |
| Roon | No | |
| Sonos | No | |
| HEOS | No | |
| MusicCast | No | |
| SoundTouch | No | |
| Bose Home Speaker | No | |
| WiSA | No | |
| BluOS | No | |
| Music Services | ||
| Amazon Music | No | |
| Apple Music | No | |
| iHeart Radio | No | |
| Pandora | No | |
| Qobuz | No | |
| SiriusXM | No | |
| Spotify | No | |
| Tidal | No | |
| TuneIn | No | |
| YouTube Music | No | |
| Control | ||
| Handheld Remote | No | |
| Control by app | Apple iOS, Android | |
| Amazon Alexa | No | |
| Google Assistant | No | |
| Other Specs | ||
| Width (Inches) | 13.8125 | |
| Height (Inches) | 8.0625 | |
| Depth (Inches) | 8.4375 | |
| Parts Warranty | 1 Year | |
| Labor Warranty | 1 Year | |
Product Research
Features
Classic Marshall Design: The Stanmore III features a classic Marshall design, with a vintage-looking front grille, brass control knobs, and the iconic script "Marshall" logo. The Marshal Stanmore III is available in a brown, black or cream vinyl ("leather-look").
Room-Filling Stereo Sound: The Marshall Stanmore III employs a 2-way driver design with 80 watts of Class D amplification for dynamic, room-filling stereo sound. Two angled 0.75" tweeters with integrated waveguides receive 15 watts of power each and deliver a broad high frequency soundstage. A 5" cone woofer is housed in a bass reflex cabinet with a rear-firing port and receives 50 watts of power for smooth, deep bass response.
- Bass & Treble: Bass & Treble control knobs are found on the top-panel, allowing you to fine tune high and low frequency sounds.
- Dynamic Loudness: The Stanmore III also features Dynamic Loudness, which automatically adjusts the tonal balance of the sound to ensure your music sounds brilliant at every volume level.
Built-In Bluetooth 5.2: The Marshall Stanmore III speaker features built-in Bluetooth 5.2 with support for wireless audio streaming (A2DP) and control (AVRCP), as well as Secure Simple Pairing (SSP). The Marshall Stanmore III Bluetooth speaker has a wireless range of approximately 30'.
- Wireless Audio Streaming (A2DP/AVRCP): You'll be able to wirelessly stream stored music, music apps, and other audio content from your Bluetooth-enabled smartphone, tablet, laptop or desktop computer to the Stanmore III speaker. You'll also be able to operate basic playback controls from the speaker including Play/Pause, Previous/Next Track, Fast Forward/Rewind, and Volume Up/Down. Advanced music navigation and song/artist/album information will still be done by your Bluetooth-enabled source device.
- Secure Simple Pairing (SSP): Thanks to support for Secure Simple Pairing (SSP), you can pair multiple Bluetooth devices with the Marshall Stanmore III speaker and two devices can remain connected at the same time. With two source devices connected and one device is playing, the second connected device cannot start playing until the first device is paused.
Note: The Stanmore III does not support Bluetooth hands-free communication for making and answering phone calls.
Dual Aux Inputs: In addition to Bluetooth wireless connectivity, the Marshall Stanmore II is equipped with two analog Aux inputs. There is a top-panel stereo minijack (3.5mm) Aux input for a wired connection of a temporary external audio source with an analog output or headphone jack, such as a portable MP3 player. There is also a rear-panel stereo RCA input for a permanent wired connection of external audio source with an analog output, such as a CD player.
Note: The speaker does not have a dedicated phono input. To connect a turntable, you'll need a turntable with a built-in phono preamp or an external phono preamp (sold separately).
Top-Panel Controls: Top-panel controls consists of a 2-way switch, push-buttons and brass knobs. There is a Power On/Off switch and Source button. There is also a Volume control knob, Bass knob, and Treble knob. In addition, there is a 3-way rotary knob that operates Play/Pause, Previous/Next Track, and Fast Forward/Rewind functions.
Marshall Bluetooth App: The Marshall Bluetooth app (for Apple iOS 14.0+ and Android OS 7.0+) allows control of the Stanmore III Bluetooth speaker from your compatible smartphone or tablet via a wireless Bluetooth connection. From the app, you can select between sources (Bluetooth, Aux, RCA). You can also control basic playback functions such as Play/Pause, Previous/Next Track, Fast Forward/Rewind, and Volume Up/Down. In addition, you get access to 3 EQ Presets to customize your music listening experience. The app even offers over-the-air (OTA) updates to ensure the speaker is always up-to-date with the latest firmware and software features.
AC Power with Auto Standby: The included detachable 67" AC power cord (C7/2-prong) plugs into the back of the Marshall Action III speaker and into an AC power outlet or surge protector (sold separately). The speaker system will go into Standby mode when there is no audio signal or no operation for approximately 10 minutes. You can operate button or knob on the top panel, reconnect a Bluetooth device, or play audio via the Aux input to wake up the speaker.
Note: The Marshall Stanmore III is not battery powered.
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Customer Q&A
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Love this Marshall Stanmore bluetooth! Awesome sound quality and great Marshall styling make it a great buy. I've had many bluetooth speakers of different makes and prices and decided to spring for the Stanmore on Marshall reputation alone. I was not disappointed! Great product!
Randall from Ewa Beach, HI