Introduction
The Marshall Willen is a powerful and portable Bluetooth speaker designed to deliver the signature Marshall sound wherever you go. Its compact size and robust construction make it an ideal companion for various environments. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your Willen speaker.

Figure 1: Marshall Willen Portable Bluetooth Speaker (Black & Brass)
Key Features
- Portable Marshall Sound: Equipped with a 2-inch full-range driver and two passive radiators for rich audio.
- Durable Design: IP67 dust- and water-resistance rating ensures readiness for outdoor use.
- Extended Playtime: Offers 15+ hours of portable playtime on a single charge.
- Versatile Mounting: Features a flexible mounting strap for attachment to various objects.
- Simple Connectivity: Easy Bluetooth pairing for quick music playback.
- Stack Mode: Connect multiple Willen speakers for an amplified, multi-speaker audio experience.
- Built-in Microphone: Enables hands-free calls with clear voice transmission.
- Sustainable Construction: 100% PVC-free with 60% post-consumer recycled plastic.
Setup
1. Initial Charging
Before first use, fully charge your Marshall Willen speaker. Use the included USB-C charging cable to connect the speaker to a power source. The battery indicator lights on the front of the speaker will illuminate to show charging progress. A full charge provides over 15 hours of playtime.

Figure 2: Willen speaker with illuminated charging indicators
2. Bluetooth Pairing
To connect your Willen speaker to a Bluetooth device:
- Ensure the Willen speaker is powered on.
- Press and hold the Bluetooth pairing button on the side of the speaker until the Bluetooth indicator light begins to pulse.
- On your audio device (smartphone, tablet, laptop), navigate to the Bluetooth settings.
- Select "Willen" from the list of available devices.
- Once connected, the Bluetooth indicator light on the speaker will turn solid.
3. Marshall Bluetooth App
For enhanced control and customization, download the Marshall Bluetooth app from your device's app store. The app allows you to adjust equalizer presets and access additional features for your Willen speaker.
Operating Instructions
1. Multi-directional Control Knob
The gold multi-directional control knob on the top of the Willen speaker provides intuitive control over your audio playback and calls:
- Press once: Play/Pause audio.
- Push right/left: Skip forward/backward a track.
- Push up/down: Increase/Decrease volume.
- Press and hold (approx. 4 seconds): Power On/Off.
2. Call Management
With the built-in microphone, you can manage phone calls directly from your Willen speaker:
- Press once: Answer an incoming call.
- Press once during a call: End the current call.
- Press twice: Reject an incoming call.
3. Stack Mode
Amplify your sound by connecting multiple Willen speakers using Stack Mode. This feature allows you to create a larger, more immersive sound experience.
- Ensure all Willen speakers are powered on and not connected to any Bluetooth device.
- On the primary speaker (the one you want to control), press the Bluetooth pairing button twice. The indicator will start pulsing rapidly.
- On the secondary speakers, press the Bluetooth pairing button once. They will automatically search for and connect to the primary speaker.
- Once connected, all speakers will play the same audio.

Figure 3: Multiple Willen speakers in Stack Mode
4. Water and Dust Resistance (IP67)
The Willen speaker boasts an IP67 rating, meaning it is highly resistant to dust and can withstand immersion in water up to 1 meter for 30 minutes. This makes it suitable for use in various outdoor conditions.

Figure 4: Willen speaker demonstrating IP67 water resistance
5. Mounting Strap
The integrated mounting strap on the back of the Willen speaker allows for flexible positioning. You can attach it to backpacks, bicycle handlebars, or hang it from hooks, making it incredibly versatile for on-the-go listening.

Figure 5: Willen speaker with its versatile mounting strap
Maintenance
1. Cleaning
To maintain the appearance and functionality of your Willen speaker:
- Wipe the exterior with a soft, damp cloth.
- Do not use harsh chemicals, solvents, or abrasive cleaners.
- Ensure charging port is dry before connecting the USB-C cable.
2. Storage
When not in use for extended periods, store the speaker in a cool, dry place away from direct sunlight and extreme temperatures. It is recommended to charge the battery to about 50% before long-term storage to preserve battery health.
Troubleshooting
If you encounter issues with your Marshall Willen speaker, refer to the table below for common problems and their solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Speaker does not turn on. | Battery is depleted. | Charge the speaker using the USB-C cable. |
| Cannot pair via Bluetooth. | Speaker is not in pairing mode or already connected to another device. | Ensure speaker is in pairing mode (pulsing Bluetooth light). Disconnect from other devices. Ensure device Bluetooth is on. |
| No sound or low volume. | Volume too low on speaker or source device; incorrect audio output selected. | Increase volume on both speaker and source device. Check audio output settings on your device. |
| Sound distortion. | Volume too high; poor Bluetooth connection. | Reduce volume. Move speaker closer to the source device to improve connection. |
| Stack Mode not working. | Speakers not in Stack Mode pairing or already connected to other devices. | Ensure all speakers are disconnected from other devices. Follow Stack Mode pairing instructions carefully. |
Specifications
Detailed technical specifications for the Marshall Willen Portable Bluetooth Speaker:
| Feature | Detail |
|---|---|
| Model Name | Willen |
| Speaker Type | Outdoor |
| Connectivity Technology | Bluetooth (Wireless) |
| Wireless Communication Technology | Bluetooth |
| Water Resistance Level | IP67 (Dust and Water Resistant) |
| Battery Life | 15+ Hours |
| Speaker Maximum Output Power | 10 Watts |
| Product Dimensions | 1.5"D x 4"W x 4"H |
| Item Weight | 11.2 ounces |
| Included Components | Willen Speaker, USB-C charging cable, User manual with legal and safety information |
| Manufacturer | Zound Industries |
Warranty and Support
The Marshall Willen Portable Bluetooth Speaker is covered by the Zound Industries USA Inc. one-year Limited Warranty. Additional terms and conditions may apply. Please refer to the official warranty document for complete details.
For further assistance, technical support, or warranty claims, please visit the official Marshall website or contact their customer service.
- Official Warranty Document: Download Warranty PDF
- Marshall Brand Store: Visit Marshall Store on Amazon







