Introduction
Welcome to the Marshall Kilburn II Portable Bluetooth Speaker user manual. This guide provides essential information for setting up, operating, and maintaining your speaker to ensure optimal performance and longevity. The Kilburn II is designed for powerful, multi-directional sound, offering 20+ hours of portable playtime on a single charge.
Key Features:
- Portable Design: Weighs just 2.5 kg with a guitar-inspired carrying strap for easy transport.
- Extended Playtime: Enjoy 20+ hours of portable playtime on a single charge. Quick charge feature provides 3 hours of playtime in just 20 minutes, with a full charge in 2.5 hours.
- Customizable Sound: Analog control knobs on the top panel allow for fine-tuning of bass, treble, and volume.
- Bluetooth 5.0 aptX: Advanced wireless technology for high-quality music streaming from any Bluetooth device up to 30 feet away.
- Durable Construction: Manufacturer refurbished product, showing limited or no wear, includes original accessories and a 90-day limited hardware warranty.
What's in the Box
Upon unboxing your Marshall Kilburn II, please ensure all the following components are present:
- Mains lead
- Quick Start Guide
- Legal and Safety Information
Setup
- Initial Charge: Before first use, fully charge your Kilburn II speaker using the provided mains lead. A full charge takes approximately 2.5 hours.
- Power On: Locate the power switch on the top panel and toggle it to the "ON" position.
- Bluetooth Pairing:
- Press the "PAIR" button on the top panel. The Bluetooth indicator light will begin to flash, indicating it's in pairing mode.
- On your audio device (smartphone, tablet, laptop), navigate to the Bluetooth settings.
- Select "Kilburn II" from the list of available devices.
- Once connected, the Bluetooth indicator light on the speaker will turn solid.
- Wired Connection (Optional): For devices without Bluetooth, connect an audio cable (not included) to the "INPUT" jack on the top panel. The input indicator light will illuminate.

Image: Top panel of the Marshall Kilburn II speaker, highlighting the volume, bass, treble knobs, and the Bluetooth pairing and input selection buttons.
Operating Instructions
- Adjusting Volume: Use the large "VOLUME" knob on the top panel to increase or decrease the sound output.
- Adjusting Bass and Treble: Use the "BASS" and "TREBLE" knobs to fine-tune the audio frequencies to your preference.
- Switching Sources: Press the "SOURCE/WAKE" button to switch between Bluetooth and wired input modes.
- Battery Indicator: The "BATTERY" indicator light provides an approximate status of the speaker's charge.
- Power Off: Toggle the power switch to the "OFF" position when not in use to conserve battery life.

Image: A hand demonstrating the adjustment of the volume knob on the Marshall Kilburn II speaker's top panel.

Image: Front view of the Marshall Kilburn II Portable Bluetooth Speaker, showcasing its classic design and grille.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the exterior of the speaker. Avoid using abrasive cleaners or solvents.
- Storage: Store the speaker in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: For optimal battery life, avoid fully discharging the battery frequently. Charge the speaker regularly, even if not in constant use.
- Water Resistance: This speaker is NOT waterproof. Avoid exposure to water or high humidity.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Battery is depleted or not charged. | Connect the speaker to a power source using the mains lead and allow it to charge. |
| Cannot pair via Bluetooth | Speaker is not in pairing mode, or device is out of range. | Ensure the speaker's Bluetooth indicator is flashing. Move your device closer to the speaker (within 30 feet). Forget the device on your phone and try pairing again. |
| No sound | Volume is too low, incorrect input selected, or device is muted. | Increase the volume on both the speaker and your audio device. Press the "SOURCE/WAKE" button to ensure the correct input (Bluetooth or wired) is selected. Check if your device is muted. |
| Sound distortion | Volume too high, or bass/treble settings are extreme. | Lower the volume. Adjust the bass and treble knobs to a more balanced setting. |
Specifications
- Model Name: Kilburn II
- Model Number: 1002634
- Speaker Type: Portable Bluetooth Speaker
- Connectivity Technology: Bluetooth 5.0 aptX
- Wireless Range: Up to 30 feet (9 meters)
- Power Source: Battery Powered
- Battery Playtime: 20+ hours
- Charging Time: 2.5 hours (full charge), 20 minutes for 3 hours playtime
- Speaker Maximum Output Power: 36 Watts
- Audio Output Mode: Stereo
- Control Method: App, Analog Knobs (Volume, Bass, Treble)
- Compatible Devices: Smartphone, Tablet, Laptop
- Item Weight: 16 ounces (approx. 0.45 kg)
- Package Dimensions: 14.2 x 10.6 x 10.4 inches
- Water Resistance Level: Not Water Resistant
- Style: Rugged, Vintage
- Manufacturer: Marshall
- GTIN: 887401057037
Warranty and Support
This Certified Refurbished product includes a 90-day limited hardware warranty. For warranty claims or technical support, please refer to the contact information provided in the Legal and Safety Information document included with your product.
Additional protection plans may be available for purchase:
- 2-Year Protection Plan
- 3-Year Protection Plan
- Complete Protect (monthly billing)
Product Videos
Our most used speaker!
Video: A user review showcasing the Marshall Kilburn II speaker in a home setting, demonstrating its controls and portability. The speaker is highlighted as a frequently used item for daily music playback.
Beautiful sound quality speaker that has lasted us 6+ years
Video: A user review highlighting the sound quality and durability of the Marshall Kilburn II speaker. The video demonstrates the speaker's controls and mentions its use for various occasions, including a wedding.