- App - App features
- - Pairing and onboarding- Remote control- Stack mode- EQ- Updates
- App - App name
- Marshall Audio App
- Audio features - Audio processing
- Marshall Signature Sound
- Audio features - Graphic equaliser
- Yes (via app)
- Basic Specifications - Bluetooth
- Yes
- Basic Specifications - EAN
- 7340055399494
- Basic Specifications - Manufacturer's Part Number
- 357757
- Basic Specifications - Product Type
- Portable speaker
- Connectivity - Bluetooth
- Bluetooth 5.3
- Connectivity - Other connections
- Auracast
- Connectivity - Speaker pairing
- Stack Mode
- Features - Resistance
- Waterproof & dustproof (IP67)
- General - Box contents
- - Marshall Willen II Portable Bluetooth Speaker- USB Type-C charging cable- Quick start guide- Legal & safety document
- General - Dimensions
- 143 x 135.5 x 57.6 mm (H x W x D)
- General - Manufacturer's guarantee
- 1 year
- General - Weight
- 531 g
- Overview - Colour
- Black & brass
- Overview - Type
- Portable speaker
- Power - Auto standby / power off mode
- Yes
- Power - Battery life
- Up to 17 hours
- Power - Power options
- Rechargeable battery
- Speakers - Amplifier
- Integrated class D digital amplifier
- Speakers - Channels
- 1.0
- Speakers - Frequency
- 75 - 20,000 Hz
- Speakers - Impedance
- 4 Ohms
- Speakers - Output power
- 10 W
- Speakers - Speaker sound level
- 88 dB
- Speakers - Speaker unit
- 1" full range driver x 1