• Marshall Stockwell II Portable Bluetooth Speaker Black 245257

    Grundig JAM Portable Bluetooth Speaker Black GLR7752 hero image
    Grundig JAM Portable Bluetooth Speaker Black GLR7752
    4.8 from 32 reviews
    • Overview
    • Specifications & manuals
    • Reviews
    • Legendary service
    • Delivery, services & returns
    • Questions & answers

    Overview

    Specifications & manuals

    key Specifications
    Brand
    Marshall
    Finish Colour
    Black
    Height (mm)
    180 mm
    Width (mm)
    161 mm
    Depth (mm)
    70 mm
    Model Number
    245257
    Weight (kg)
    1.38 kg
    Accessories included
    • Stockwell II Portable Stereo Loudspeaker
    • USB-C cable
    • Quick Start Guide
    • Legal and Safety Information
    warranty
    Manufacturer Warranty
    1 Year
    Use
    Not intended or designed for commercial use.
    audio
    Frequency Response Range
    60 - 20,000
    Front Channel Output
    20
    Total Power
    20
    connectivity
    Bluetooth
    Bluetooth Version
    5.0
    inputs
    AUX In
    battery Information
    Built-In Rechargeable Battery
    Battery Charging Time
    5 h
    Battery Life
    20
    Battery Type
    Lithium ion
    other Features
    Water Resistant
    Resistance Rating
    IPX4
    Portable
    Year
    2019
    Features
    • Quick Charge: 20 minute charge gives 2 hours of wireless playtime.
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    Reviews

    Rating snapshot

    5
    85
    4
    9
    3
    7
    2
    9
    1
    14

    Average customer rating

    Overall
    4.1

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    Pros
    Cons
    1-3 of 124 reviews
    Shrey P.2025-06-25
    The Support Team
    The Team and Management is Very Generous and Supportive.
    Andrew D.2025-03-20
    Good but not brilliant
    Love the look but two things are disappointing. The connection to a device is slow. No idea why but unlike my other speakers and devices connect straight away there is a distinct pause before connection. The big one though was the reason I bought it have control of the treble and bass. It does it but it’s very weak. I still have to go to the phone to adjust depending on music type. It’s a real shame as companies have rush to touch screens and microswitches when the world wants buttons and knobs. So well done Marshall for that. Maybe their other models have a better implementation
    Chris T.2024-12-13
    The perfect quality
    Very worth it to get this speaker, very easy to carry anywhere

    Legendary service

    The Appliances Online Net Promoter Score (NPS) is based on feedback from 89,897 people, collected between August 2024 to August 2025. Learn more about the Net Promoter Score (NPS).
    Service and attitude was far superior to anyone else
    Lex, Lane Cove, NSW
    ON TIME... PLUS FREE DELIVERY
    Vicky, Schofields, NSW
    The delivery guys were fantastic
    Michelle, Salamander Bay, NSW

    Delivery, services & returns

    Appliances Online is all about legendary service. We offer free next business day delivery, free connection, free removal and free recycling, and we even offer Saturday delivery and, in some locations, a Premium Delivery option that allows you to choose your own 2-hour delivery window.

    Questions & answers

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