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Specifications of the Marshall Bromley 450
Discover the Marshall Bromley 450 Party Speaker with True Stereophonic 360° sound, 40+ hours of portable playtime, IP55 dirt and splash resistance, and a built-in carry handle for easy transport.
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Introducing Marshall Bromley 450
Watch our full review...
The Sweet Spot in Marshall’s Party Speaker Lineup
The Bromley 450 takes everything people loved about the Bromley 750 and packages it into a more compact design that’s easier to carry, set up and enjoy anywhere.
Same 40+ Hour Battery as Bromley 750
One thing we really like about the Bromley 450 is that Marshall didn’t scale back the battery just because the speaker is smaller. You still get the same 40+ hours of playback as the bigger Bromley 750, which is seriously impressive for a speaker this powerful.
A Party Speaker You’ll Actually Use
Some party speakers only come out for big events. The Bromley 450 feels more versatile than that. The iconic Marshall design, tactile controls and balanced sound make it just as enjoyable for everyday listening as it is for turning up the volume when friends come over.
Wireless Bluetooth Party Speaker
Marshall Bromley 450
The Bromley 450 delivers big, room-filling sound while still feeling like something you’d actually want in your home every day. With True Stereophonic 360° audio, over 40 hours of playtime and Marshall’s unmistakable design, it’s built to handle everything from relaxed background listening to full-on party mode.
What’s The Difference?
Bromley 450 vs Bromley 750
While the Bromley 750 is designed for larger events and maximum output, the Bromley 450 offers a more portable approach to party sound.
You still get the same unmistakable Marshall styling, True Stereophonic sound and long battery life, but in a design that’s easier to move around and better suited to everyday spaces.
For most homes, garden parties and festival trips, the Bromley 450 hits the sweet spot between power and portability.
“The Bromley 450 keeps the best bits of the Bromley 750, but packages it in a way that feels way more practical for everyday spaces.”
Lui G.
Tech Guide
Feel the Beat, No Matter Where You're Standing
True Stereophonic 360° Sound
Whether you're dancing at a house party or festival campsite the music always feels close with a sound that gets around.
Drivers on the front and back, as well as tweeters on each side, let you slip right into dancefloor mode, no matter where you stand. All you have to do is press play to let everyone know the party has started.
800-Track Setlist? No Problem
40+ Hours of Portable Playtime
Built to keep the party going wherever you are, it can power through up to 800 songs back-to-back on a single charge. And if you’re running low, a 20-minute Quick Charge gives you up to 6 hours of playback, so the music never has to stop for long.
Don’t want to worry? Buy an extra battery to keep on standby for when power is running low, or use the AC cable to plug in your speaker to mains power.
A Speaker That Belongs on Stage
Signature Marshall Design
Marshall speakers have always had a look that’s instantly recognisable. From the textured PU leather wrap and iconic script logo to the stamped metal grille, it feels every bit like a piece of Marshall gear.
It’s not just about looks either. Reinforced corner caps help protect the cabinet from knocks when transporting it, while the built-in carry handle makes it easy to grab and move when the party shifts location.
Up top, tactile analogue-style controls give you quick access to volume, bass and treble adjustments, offering a hands-on approach that feels far more satisfying than tapping through menus on a screen.
3 Presets to Light Up The Dancefloor
Integrated Stage Lights
Since 1962, Marshall has been at the heart of some of the world’s most memorable live music moments, so they know a thing or two about creating the right atmosphere.
The Bromley 450 brings that same energy to your space with three built-in lighting presets designed to match the mood. Choose a subtle ambient glow for relaxed listening, or switch to dynamic modes that pulse and move in time with the music to elevate the party atmosphere.
Marshall Bromley 450
Pros & Cons
Pros
Cons
Be The Headline Act
Microphone & Instrument Ready
The best live moments are often the ones you didn’t plan. With dedicated inputs for a microphone or instrument, the Bromley 450 lets you turn any gathering into an impromptu gig or karaoke session in seconds.
Whether it’s a singalong with friends or a spontaneous jam, it’s all set up and ready to go.
Built to Go Wherever the Party Does
Portable Design with IP55 Protection
With decades of experience bringing music to the stage, Marshall designed the Bromley 450 to travel just as easily as it performs.
A built-in carry handle makes it easy to take with you, while the IP55 rating means it’s built to handle dust and light rain, so the music can keep going even when the weather doesn’t play along.
Modern Wireless Listening
Bluetooth 5.3, Multipoint & Auracast
The Bromley 450 is built for easy wireless listening, with Bluetooth 5.3 delivering a strong, stable connection whether you're streaming playlists, party mixes or podcasts.
There’s Bluetooth multipoint too, so two devices can stay connected at the same time - handy when one person’s on DJ duty and someone else is lining up the next track.
And with Auracast support, the Bromley 450 is ready for bigger shared listening experiences, making it easier to connect compatible speakers together for even more coverage when one speaker just isn’t enough.
Control It Your Way
Marshall Bluetooth App
The Marshall Bluetooth app gives you a simple way to customise how the Bromley 450 behaves without overcomplicating things. From the app you can check battery life, adjust light settings and personalise the speaker’s M-button, letting you quickly trigger features like strobe lighting or low-volume listening.
It also allows you to enable broadcast mode, helping you connect with other compatible speakers when you want to expand the sound across a larger space.
What Our Experts Say...
Who’s the Marshall Bromley 450 Right For?
The Bromley 450 is perfect if you:
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Sony SRS-XV800
A powerful portable party speaker with 360° party sound, karaoke-ready inputs and Sony’s signature party lighting. Great for filling larger spaces with energetic sound.
Your Questions, Answered
Marshall Bromley 450 FAQs
The Bromley 450 is rated at 100dB, which is more than enough to fill a large room, garden or party space. It’s designed to deliver powerful sound without losing clarity, even when you turn the volume up.
Yes. The Bromley 450 uses a replaceable Lithium Iron Phosphate (LFP) battery, which means you can swap it out when needed or keep a spare battery on hand for longer listening sessions.
Yes. The Bromley 450 includes two XLR / 6.35mm combo inputs, meaning you can plug in microphones or instruments. It’s great for karaoke nights, live jams, or impromptu performances.
The Bromley 750 is the larger, more powerful speaker designed for bigger events and spaces. The Bromley 450 delivers much of the same experience in a more compact design, making it easier to live with in everyday spaces while still offering powerful sound.
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£3,299.00
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ABOUT SMART HOME SOUNDS
At Smart Home Sounds, we are leading Home Audio Visual Specialists. Our knowledgeable team provide expert service & advice on a wide range of audiovisual products and are here to help you find the perfect setup for your home.
We’d love to send you exclusive offers and the latest info from Smart Home Sounds by email. We’ll always treat your details with the utmost care and won’t share them with any third party. You can, of course, opt out of these communications at any time! See our Privacy Policy for more info.
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We’d love to send you exclusive offers and the latest info from Smart Home Sounds by email. We’ll always treat your details with the utmost care and won’t share them with any third party. You can, of course, opt out of these communications at any time! See our Privacy Policy for more info.
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We've extended our normal returns for the festive season. Any gifts bought between 27th October 2023 and 22nd January 2024 can be returned up until 31st January 2024.
How does the returns policy work?
ABOUT SMART HOME SOUNDS
At Smart Home Sounds, we are leading Home Audio Visual Specialists and one of the UK's largest Sonos dealers. Our knowledgeable team provide expert service & advice on a wide range of audiovisual products and are here to help you find the perfect setup for your home.
We’d love to send you exclusive offers and the latest info from Smart Home Sounds by email. We’ll always treat your details with the utmost care and won’t share them with any third party. You can, of course, opt out of these communications at any time! See our Privacy Policy for more info.
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Simply submit your extra warranty request from the moment of purchase.
You will need your TV serial number to make your claim.
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Ts & Cs apply.
At Smart Home Sounds, we are leading Home Audio Visual Specialists and one of the UK’s largest Sonos dealers. Our knowledgeable team provide expert service & advice on a wide range of audiovisual products and are here to help you find the perfect setup for your home.
We’d love to send you exclusive offers and the latest info from Smart Home Sounds by email. We’ll always treat your details with the utmost care and won’t share them with any third party. You can, of course, opt out of these communications at any time! See our Privacy Policy for more info.
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At Smart Home Sounds, we are leading Home Audio Visual Specialists and one of the UK’s largest Sonos dealers. Our knowledgeable team provide expert service & advice on a wide range of audiovisual products and are here to help you find the perfect setup for your home.
We’d love to send you exclusive offers and the latest info from Smart Home Sounds by email. We’ll always treat your details with the utmost care and won’t share them with any third party. You can, of course, opt out of these communications at any time! See our Privacy Policy for more info.
