Introduction
The Marshall Middleton is a portable Bluetooth speaker designed to deliver a powerful audio experience. It features a quad-speaker setup and True Stereophonic sound for immersive listening. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your Middleton speaker.
Image: Front view of the Marshall Middleton Portable Bluetooth Speaker in Black and Brass.
What's in the Box
Verify that all items are present in the packaging:
- Marshall Middleton speaker
- Detachable carry strap
- User manual and legal and safety information
- USB-A to USB-C charging cable
Product Overview
Controls and Indicators
Image: Close-up of the top panel controls on the Marshall Middleton speaker.
- Multi-directional control knob: Controls playback (play/pause, skip track), volume, and power (on/off).
- Bluetooth pairing button: Initiates Bluetooth pairing mode.
- Battery indicator: Displays current battery level.
- Bass and Treble controls: Adjusts audio equalization.
Ports
Image: Close-up of the rear panel showing the AUX and USB-C ports.
- 3.5 mm AUX input: For wired audio connections.
- USB-C port: For charging the speaker and for power bank functionality (charging external devices).
Setup
Initial Charging
- Connect the supplied USB-A to USB-C charging cable to the USB-C port on the speaker.
- Connect the other end of the cable to a USB power adapter (not included).
- Charge the speaker until the battery indicator shows a full charge. A full charge takes approximately 4.5 hours.
The Middleton speaker provides over 20 hours of portable playtime on a single charge.
Attaching the Carry Strap
The detachable carry strap can be attached to the designated loops on the speaker for easier portability.
Image: The Marshall Middleton speaker shown with its detachable carry strap attached.
Operating Instructions
Power On/Off
- To power on, press and hold the multi-directional control knob until the speaker activates.
- To power off, press and hold the multi-directional control knob until the speaker deactivates.
Image: A hand interacting with the multi-directional control knob on the speaker's top panel.
Bluetooth Pairing
- Ensure the speaker is powered on.
- Press and hold the Bluetooth pairing button until the Bluetooth indicator light begins to flash.
- On your audio device (smartphone, tablet, etc.), open the Bluetooth settings.
- Select "Middleton" from the list of available devices.
- Once connected, the Bluetooth indicator light will turn solid.
Audio Playback
- Play/Pause: Press the multi-directional control knob once.
- Skip Track: Push the multi-directional control knob right for next track, left for previous track.
- Volume Control: Push the multi-directional control knob up to increase volume, down to decrease volume.
- Bass/Treble Adjustment: Use the dedicated bass and treble controls on the top panel to fine-tune your sound.
Stack Mode
Connect multiple Middleton speakers to create a larger soundstage using Stack Mode.
Image: Two Marshall Middleton speakers positioned together, illustrating Stack Mode functionality.
Refer to the Marshall Bluetooth app for detailed instructions on activating and managing Stack Mode.
Marshall Bluetooth App
Download the Marshall Bluetooth app for additional control over your speaker, including custom equalization settings, firmware updates, and Stack Mode management.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the speaker's exterior. Avoid abrasive cleaners or solvents.
- Water and Dust Resistance: The Middleton has an IP67 rating, meaning it is dust-tight and can withstand immersion in water up to 1 meter for 30 minutes. Ensure all ports are securely closed before exposure to water.
- Storage: Store the speaker in a cool, dry place away from extreme temperatures.
- Battery Care: To prolong battery life, avoid fully discharging the battery frequently. If storing for extended periods, charge the battery to approximately 50-70%.
Image: The Marshall Middleton speaker shown partially submerged in water, demonstrating its IP67 water resistance.
Troubleshooting
| Problem | Possible Cause / Solution |
|---|---|
| Speaker does not power on. |
|
| Cannot pair via Bluetooth. |
|
| No sound or low volume. |
|
| Sound distortion. |
|
| Speaker not charging. |
|
Specifications
Image: Detailed technical specifications for the Marshall Middleton speaker.
| Feature | Detail |
|---|---|
| Model Name | Middleton |
| Speaker Type | Portable Bluetooth Speaker |
| Audio Output Mode | Stereo (True Stereophonic) |
| Speaker Maximum Output Power | 60 Watts |
| Frequency Response | 50 Hz - 20 kHz |
| Signal-to-Noise Ratio | 93 dB |
| Connectivity Technology | Bluetooth 5.1, 3.5 mm AUX |
| Bluetooth Range | Up to 10 meters (30 feet) |
| Battery Life | 20+ hours |
| Charging Time | Approximately 4.5 hours (with 5V, 3A charger) |
| Power Input | USB-C (5V/9V/12V/20V, 3A) |
| Power Output (Power Bank) | 5V, 1A |
| Water Resistance Level | IP67 (Dust-tight, water immersion up to 1m for 30 min) |
| Product Dimensions (H x W x D) | 109 x 230 x 95 mm (4.29" x 9.06" x 3.74") |
| Item Weight | 1.8 kg (3.96 lbs) |
| Material | Fabric, Leather-like material |
| Included Components | Middleton speaker, Detachable carry strap, User manual, USB-A to USB-C charging cable |
Warranty and Support
The Marshall Middleton Portable Bluetooth Speaker comes with a limited warranty. Please refer to the included "User manual and legal and safety information" document for full details regarding warranty terms, conditions, and duration.
For technical support, product inquiries, or warranty claims, please visit the official Marshall website or contact their customer service department. Contact information can typically be found in the legal and safety information document or on the brand's official website.
