Marshall Stanmore III Bluetooth Home Speaker
The Marshall Stanmore III is a premium home Bluetooth speaker built for room-filling sound, classic Marshall styling, and flexible connectivity. With a wider stereo soundstage, Bluetooth 5.2, RCA and 3.5mm inputs, app control, OTA updates, and dedicated bass and treble controls, it is designed for powerful everyday home listening.
Key Features
-
Re-Engineered Wider Stereo Soundstage
Outward-angled tweeters and updated waveguides create a broader, more immersive listening experience.
-
Powerful 80W Amplification
Uses one 50W Class D amplifier for the woofer and two 15W Class D amplifiers for the tweeters.
-
Bluetooth 5.2
Supports modern wireless audio connectivity and is ready for Bluetooth LE Audio.
-
RCA + 3.5mm Inputs
Connect turntables, computers, TVs, music players, and other compatible wired sources.
-
Analogue Bass & Treble Controls
Fine-tune sound directly from the speaker.
-
Marshall Bluetooth App
Access advanced sound settings and OTA software updates.
-
Iconic Marshall Design
Features the classic Marshall script, textured cabinet styling, and brass-style controls.
Main Feature Sections
Wider, More Immersive Sound
The Stanmore III uses a two-way driver system with outward-facing tweeters to create a wider soundstage while maintaining strong bass, clear mids, and crisp treble.
Simple Pair-and-Play Operation
Bluetooth pairing, volume, bass, treble, source selection, playback, and power controls are all available directly on the top panel.
Flexible Wired & Wireless Connectivity
Use Bluetooth 5.2 for wireless streaming, or connect through RCA and 3.5mm inputs for compatible wired devices.
App Control & OTA Updates
The Marshall Bluetooth app adds extra sound controls and allows software updates to keep supported features current.
Technical Specifications
-
Product Type: Bluetooth Home Speaker
-
Brand: Marshall
-
Model: Stanmore III
-
Frequency Range: 45Hz–20kHz
-
Maximum SPL: 97dB @ 1m
-
Speaker Type: Stereo
-
Cabinet: Bass-reflex
-
Woofer Amplifier: 1 × 50W Class D
-
Tweeter Amplifiers: 2 × 15W Class D
-
Total Amplifier Power: 80W
-
Bluetooth: 5.2
-
Bluetooth LE Audio Ready: Yes
-
Bluetooth Range: Up to 10m / 30ft
-
Wired Inputs: RCA, 3.5mm
-
Wi-Fi: No
-
Microphone: No
-
Voice Assistant: No
-
Water Resistance: No
-
App: Marshall Bluetooth app
-
OTA Updates: Yes
-
Dimensions: 350 × 203 × 188mm
-
Weight: 4.25kg
-
Power Input: 100–240V, 50–60Hz
-
Colors: Black, Cream, Brown
-
Made In: Thailand
-
Designed & Engineered In: Sweden
Controls
The top panel includes:
- Source button
- Volume control
- Bass control
- Treble control
- Play / pause
- Skip forward / backward
- Power switch
Best Use Cases
- Living room audio
- Bedroom listening
- Music streaming
- Turntable setups with compatible output
- Desktop or home-office audio
- Users who want premium home sound with physical controls
- Users who value classic Marshall design
Compatibility
- Compatible with Bluetooth-enabled phones, tablets, laptops, and audio devices
- RCA and 3.5mm inputs support compatible wired sources
- Marshall Bluetooth app available for iOS and Android
- No Wi-Fi or voice assistant functionality
What’s in the Box
- Marshall Stanmore III Speaker × 1
- Mains Power Lead × 1
- User Manual
- Legal & Safety Information
