Ultimate Ears Boom 4 - Lilac - Portable Speaker
(801 reviews)
Take the super-portable Ultimate Ears BOOM 4 wireless speaker on your next adventure. It's seriously waterproof, offers balanced 360° sound, deep bass, and one-touch music controls. This is the ultimate speaker that goes wherever you do. Enjoy four different EQ modes or customise your own.
Take the super-portable Ultimate Ears BOOM 4 wireless speaker on your next adventure. It's seriously waterproof, offers balanced 360° sound, deep bass, and one-touch music controls. This is the ultimate speaker that goes wherever you do. Enjoy four different EQ modes or customise your own.
$99.00 - $229.00
in 22 offers
Colour:
Ultimate Ears Boom 4 - Lilac - Portable Speaker
$99.00
(801 reviews)
Take the super-portable Ultimate Ears BOOM 4 wireless speaker on your next adventure. It's seriously waterproof, offers balanced 360° sound, deep bass, and one-touch music controls. This is the ultimate speaker that goes wherever you do. Enjoy four different EQ modes or customise your own.
Take the super-portable Ultimate Ears BOOM 4 wireless speaker on your next adventure. It's seriously waterproof, offers balanced 360° sound, deep bass, and one-touch music controls. This is the ultimate speaker that goes wherever you do. Enjoy four different EQ modes or customise your own.
Colour:
Price comparison
Last updated at 14/06/2025 19:47:41
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See 11 more history offers
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Price history
Price history
Reviews
BOOM! SHAKE-SHAKE-SHAKE THE ROOM.... TIC-TIC-TIC-TIC BOOM!
17 July 2024
Leena
originally posted on johnlewis.com
WOW WOW & WOW... I'm speechless!Now I can see why Ultimate Ears have named their speakers "BOOM", they will actually blow you away with the crisp quality sound and
bass. It will most definitely get a party started with just one of these alone. I love how the entire Boom range allows you to pair multiple speakers to create an atmosphere as
loud as you want. I love how the entire room is filled with immersive sound.This little speaker is absolutely magic, it's fuss free and it's super easy to use. The speaker instantly
pairs to my device via Bluetooth. The style is minimalistic and sleek, I also love how the controls light up on the top of the speaker. It's super easy to charge up a...
bass. It will most definitely get a party started with just one of these alone. I love how the entire Boom range allows you to pair multiple speakers to create an atmosphere as
loud as you want. I love how the entire room is filled with immersive sound.This little speaker is absolutely magic, it's fuss free and it's super easy to use. The speaker instantly
pairs to my device via Bluetooth. The style is minimalistic and sleek, I also love how the controls light up on the top of the speaker. It's super easy to charge up a...
Fantastic little speaker!
12 July 2024
EDVB
originally posted on johnlewis.com
Easy to set up and it connected to my phones bluetooth straight away, not always the case with bluetooth so that was a promising start! The controls are on the top and all
very self explanatory when you press the top it lights up so you can see the controls. It has an impressive charge time I had a good 5 hours out of it. before it needed charging
which is done by lifting a little flap at the back and inserting the included micro charger. I love that it's small and easy to move about wherever you are, I have used it in the
bathroom as it is waterproof, the kitchen, and taken it to the studio to use for ballet class. You can create a playlist on your phone using the usual platforms and t...
very self explanatory when you press the top it lights up so you can see the controls. It has an impressive charge time I had a good 5 hours out of it. before it needed charging
which is done by lifting a little flap at the back and inserting the included micro charger. I love that it's small and easy to move about wherever you are, I have used it in the
bathroom as it is waterproof, the kitchen, and taken it to the studio to use for ballet class. You can create a playlist on your phone using the usual platforms and t...
Filled a gap in my life!
20 July 2024
Keen gardener
originally posted on johnlewis.com
I am so pleased John Lewis offered me this speaker in return for a review as my other speakers are all wired. Since receiving it, I've been able to have the radio for company
while working from home, cooking or while doing the garden - I just take it wherever I'm going!The pros of the speaker is that it looks nice, is light and easy to carry, and the
volume is simple to control. However, on first use the out of the box the volume is set to deafening.There is one thing I don't like, and it's the charger cable. It doesn't come
with a plug adapter so the only way I can charge it is by plugging it into the laptop, and that takes ages to charge it up. And it's for this reason it has lost a star.I h...
while working from home, cooking or while doing the garden - I just take it wherever I'm going!The pros of the speaker is that it looks nice, is light and easy to carry, and the
volume is simple to control. However, on first use the out of the box the volume is set to deafening.There is one thing I don't like, and it's the charger cable. It doesn't come
with a plug adapter so the only way I can charge it is by plugging it into the laptop, and that takes ages to charge it up. And it's for this reason it has lost a star.I h...
Specification
| Colour | Lilac |
| Battery Life | Up to 15 hours* |
| Manufacturer's Warranty | 1 Year |
| Connectivity | Bluetooth |
| IP Rating | IPX7 |
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Price history
Price history
Reviews
BOOM! SHAKE-SHAKE-SHAKE THE ROOM.... TIC-TIC-TIC-TIC BOOM!
17 July 2024
WOW WOW & WOW... I'm speechless!Now I can see why Ultimate Ears have named their speakers "BOOM", they will actually blow you away with the crisp quality sound and bass. It will most definitely get a party started with just one of these alone. I love how the entire Boom range allows you to pair multiple speakers to create an atmosphere as loud as you want. I love how the entire room is filled with immersive sound.This little speaker is absolutely magic, it's fuss free and it's super easy to use. The speaker instantly pairs to my device via Bluetooth. The style is minimalistic and sleek, I also love how the controls light up on the top of the speaker. It's super easy to charge up and holds its charge for 15 hours on a single charge.This speaker is waterproof, ... MoreWOW WOW & WOW... I'm speechless!Now I can see why Ultimate Ears have named their speakers "BOOM", they will actually blow you away with the crisp quality sound and bass. It will most definitely get a party started with just one of these alone. I love how the entire Boom range allows you to pair multiple speakers to create an atmosphere as loud as you want. I love how the entire room is filled with immersive sound.This little speaker is absolutely magic, it's fuss free and it's super easy to use. The speaker instantly pairs to my device via Bluetooth. The style is minimalistic and sleek, I also love how the controls light up on the top of the speaker. It's super easy to charge up and holds its charge for 15 hours on a single charge.This speaker is waterproof, it floats and it's drop proof and dust proof.. is there anything this speaker can't do? it's absolute genius!I love this speaker, I'm going to buy some more to pair them up and I cannot wait to hear the sound get even better than it already is.I have recommended this to my friends and family already as the speaker has been the star of the show when I've had guest over and it's great value for money.
Leena
originally posted on johnlewis.comFantastic little speaker!
12 July 2024
Easy to set up and it connected to my phones bluetooth straight away, not always the case with bluetooth so that was a promising start! The controls are on the top and all very self explanatory when you press the top it lights up so you can see the controls. It has an impressive charge time I had a good 5 hours out of it. before it needed charging which is done by lifting a little flap at the back and inserting the included micro charger. I love that it's small and easy to move about wherever you are, I have used it in the bathroom as it is waterproof, the kitchen, and taken it to the studio to use for ballet class. You can create a playlist on your phone using the usual platforms and then add it to the Ultimate Ears App which you need to download during set up and ... MoreEasy to set up and it connected to my phones bluetooth straight away, not always the case with bluetooth so that was a promising start! The controls are on the top and all very self explanatory when you press the top it lights up so you can see the controls. It has an impressive charge time I had a good 5 hours out of it. before it needed charging which is done by lifting a little flap at the back and inserting the included micro charger. I love that it's small and easy to move about wherever you are, I have used it in the bathroom as it is waterproof, the kitchen, and taken it to the studio to use for ballet class. You can create a playlist on your phone using the usual platforms and then add it to the Ultimate Ears App which you need to download during set up and it will play your tracks, if you want to skip any you can press the top of the speaker. I really cannot find anything negative to say about this speaker it's fabulous and also looks attractive.
EDVB
originally posted on johnlewis.comFilled a gap in my life!
20 July 2024
I am so pleased John Lewis offered me this speaker in return for a review as my other speakers are all wired. Since receiving it, I've been able to have the radio for company while working from home, cooking or while doing the garden - I just take it wherever I'm going!The pros of the speaker is that it looks nice, is light and easy to carry, and the volume is simple to control. However, on first use the out of the box the volume is set to deafening.There is one thing I don't like, and it's the charger cable. It doesn't come with a plug adapter so the only way I can charge it is by plugging it into the laptop, and that takes ages to charge it up. And it's for this reason it has lost a star.I have not had the chance to check if it is waterproof, but the flap over ... MoreI am so pleased John Lewis offered me this speaker in return for a review as my other speakers are all wired. Since receiving it, I've been able to have the radio for company while working from home, cooking or while doing the garden - I just take it wherever I'm going!The pros of the speaker is that it looks nice, is light and easy to carry, and the volume is simple to control. However, on first use the out of the box the volume is set to deafening.There is one thing I don't like, and it's the charger cable. It doesn't come with a plug adapter so the only way I can charge it is by plugging it into the laptop, and that takes ages to charge it up. And it's for this reason it has lost a star.I have not had the chance to check if it is waterproof, but the flap over the charger point appears to be a snug fit.
Keen gardener
originally posted on johnlewis.comGreat quality speaker
18 July 2024
I am really impressed with this speaker, the design is simple and stylish, fitting into any style of home. The sound quality is great, with the standout feature being the spatial audio which really adds to the experience. It is certainly loud enough, I have not felt the need to use it over 50% volume as that is plenty for me. The battery is really long lasting and it's great that you are able to check what level of charge it has both on the speaker itself (by holding the plus and minus buttons) and in the Ultimate Ears Boom app.Set-up was absolutely seamless and was simply a press and hold to enter pairing mode and I was instantly able to connect my phone. The app has some handy features such as remote power on, the ability to set-up a playlist to auto-play ... MoreI am really impressed with this speaker, the design is simple and stylish, fitting into any style of home. The sound quality is great, with the standout feature being the spatial audio which really adds to the experience. It is certainly loud enough, I have not felt the need to use it over 50% volume as that is plenty for me. The battery is really long lasting and it's great that you are able to check what level of charge it has both on the speaker itself (by holding the plus and minus buttons) and in the Ultimate Ears Boom app.Set-up was absolutely seamless and was simply a press and hold to enter pairing mode and I was instantly able to connect my phone. The app has some handy features such as remote power on, the ability to set-up a playlist to auto-play (through Spotify or Amazon Music) when the 'magic' button on the speaker is pressed, which to me is incredibly useful. Instead of having to manually select music on your phone, you simply turn the speaker on and hold the center button. I now have a specific speaker playlist which I am loving! The app also allows you to connect up to over 150 speakers to play the same audio simultaneously, which if hosting a large gathering I imagine would be incredibly useful.Overall this is really great quality, stylish speaker with some nifty features and a really quick and easy set-up. I am very pleased with it.
James
originally posted on johnlewis.comIt's Waterproof!
15 July 2024
This speaker is waterproof! It has been living in the bathroom so far and has been rained on by an unruly shower. So nice to not have to worry about a speaker getting wet.I love the cylindrical shape of this speaker, making it appear softer and more interesting than all the square and rectangular ones. I have discovered that is also fits into a cup holder, which is handy for transit.I am not a very technical person but found setting this up really straightforward and simple to use. It has really helpful volume adjustment buttons on the front. The place for the charging cable is well placed, although I haven't needed to charge it very often as it seems to go for an extremely long time without the need to charge.The sound is great and I'm sure the shape of the ... MoreThis speaker is waterproof! It has been living in the bathroom so far and has been rained on by an unruly shower. So nice to not have to worry about a speaker getting wet.I love the cylindrical shape of this speaker, making it appear softer and more interesting than all the square and rectangular ones. I have discovered that is also fits into a cup holder, which is handy for transit.I am not a very technical person but found setting this up really straightforward and simple to use. It has really helpful volume adjustment buttons on the front. The place for the charging cable is well placed, although I haven't needed to charge it very often as it seems to go for an extremely long time without the need to charge.The sound is great and I'm sure the shape of the speaker makes it seem like the music isn't just coming from one place. It has the ability to be very loud, and thankfully also very quiet!As this speaker is so transportable, I can well imagine taking this speaker out in the garden for BBQs and on camping trips, picnics and the like, whilst not having to worry about it getting wet in this lovely summer weather!
Loveinamist
originally posted on johnlewis.comNeeds work but still a good speaker
22 August 2024
I have had this speaker for a while now and it lacks in a few areas. The sound, it’s just not loud enough which is frustrating and also the battery life, I like to play it loud and at almost full volume, it generally doesn’t last more than 2-3 hours on a full charge which absolutely suuuuucks! Also, you guys need to somehow implement a battery health feature into the app because I swear my battery percentage jumps all over the place and I’ll charge it to full one night and go to play it the next day and it’ll say critical battery. We need and I’ll emphasize NEED you guys to really research a better battery that lasts a day on a single charge, that would be mind blowing! Aside from these issues, the build quality is rather good and the 360 degree sound is definitely ... MoreI have had this speaker for a while now and it lacks in a few areas. The sound, it’s just not loud enough which is frustrating and also the battery life, I like to play it loud and at almost full volume, it generally doesn’t last more than 2-3 hours on a full charge which absolutely suuuuucks! Also, you guys need to somehow implement a battery health feature into the app because I swear my battery percentage jumps all over the place and I’ll charge it to full one night and go to play it the next day and it’ll say critical battery. We need and I’ll emphasize NEED you guys to really research a better battery that lasts a day on a single charge, that would be mind blowing! Aside from these issues, the build quality is rather good and the 360 degree sound is definitely quite apparent in comparison to my other Bluetooth speakers.
Aleks98
originally posted on ultimateears.comSurprisingly Good
13 July 2024
This is my first Bluetooth portable speaker, so I do not have any benchmark. The unit is compact and is pleasing to the eye with its matt black finish, fitting in easily into any space. I have not tested its waterproof claims.The Boom 4 is well finished and has a rugged, quality feel. The large white volume symbols on the side may not be to everyone's taste but I found them relatively inoffensive.The app was easy to download to my Iphone and getting the unit started was uncomplicated. The 'Magic' button proved useful, and I was playing music from my phone in minutes. Pairing was easy.I have tried the speaker with a variety of music genres, and it performed surprisingly well across all of them, even classical. Bass and treble were well defined, although with ... MoreThis is my first Bluetooth portable speaker, so I do not have any benchmark. The unit is compact and is pleasing to the eye with its matt black finish, fitting in easily into any space. I have not tested its waterproof claims.The Boom 4 is well finished and has a rugged, quality feel. The large white volume symbols on the side may not be to everyone's taste but I found them relatively inoffensive.The app was easy to download to my Iphone and getting the unit started was uncomplicated. The 'Magic' button proved useful, and I was playing music from my phone in minutes. Pairing was easy.I have tried the speaker with a variety of music genres, and it performed surprisingly well across all of them, even classical. Bass and treble were well defined, although with classical there was a small drop-off in clarity, especially in the quieter sections. The 360-degree sound promise proved to be accurate.There is an attachment on the side to fit a lanyard, but no lanyard fitted. I would have liked this addition supplied as part of the package.I am sure there are better, more expensive, speakers out there but for its value for money, clarity of sound, looks and ruggedness I think the Boom 4 is a five star buy.
Bozo
originally posted on johnlewis.comThe most incredible speaker
23 March 2023
I’ve owned my UE BOOM 3 for over 3 years now and it works amazingly. I’ve never had a single problem with it throughout the years. This is the most versatile speaker, it’s easily portable and fits anywhere with ease, it can even work perfectly underwater!The sound quality is perfect. 360° sound, with audio quality unheard of in other speakers, and it’s been around for a while now too! Connecting the speaker is the easier thing in the world and the BOOM app allows you to change your EQ to whatever suits your ears.The speakers are built tough. I’ve had many clumsy moments dropping it while walking or dropping it indoors, it’s taken all hits like a champion, never changing its performance The UE BOOM deserves to be used by the entire world.I love my BOOM, using ... MoreI’ve owned my UE BOOM 3 for over 3 years now and it works amazingly. I’ve never had a single problem with it throughout the years. This is the most versatile speaker, it’s easily portable and fits anywhere with ease, it can even work perfectly underwater!The sound quality is perfect. 360° sound, with audio quality unheard of in other speakers, and it’s been around for a while now too! Connecting the speaker is the easier thing in the world and the BOOM app allows you to change your EQ to whatever suits your ears.The speakers are built tough. I’ve had many clumsy moments dropping it while walking or dropping it indoors, it’s taken all hits like a champion, never changing its performance The UE BOOM deserves to be used by the entire world.I love my BOOM, using it just about every day for years hasn’t even tired it out, and It will last for years to come. Thank you Ultimate Ears. It’s perfect.
Urniibbaa
originally posted on ultimateears.comThe Package
17 September 2024
Outstanding Bluetooth speaker that combines portability, powerful sound, and long battery life into one sleek package. Its compact and lightweight design makes it incredibly easy to take it anywhere. The 360-degree sound delivers rich, immersive audio from all angles. The battery life is equally impressive, lasting up to 10+ hours on a single charge, so you can enjoy your music all day without needing to recharge. Plus, it's waterproof and durable, perfect for any adventure. Highly recommended for anyone looking for a portable, reliable, and great-sounding Bluetooth speaker!
Andy
originally posted on ultimateears.comUltimate ears Boom 3 Seashell peach
8 November 2023
I bought this for my teenage daughter and she loves it. It was easy to pair using the Bluetooth and the app and has loads of great features.The size and light weight makes it portable plus it fits on her side table so it’s perfect for a teenager’s room.The volume is great- can be loud and won’t distort with excellent clarity, tone and balance.It’s got a long battery life so you don’t have to constantly remember to recharge.Best of all it’s a combination of stylish and robust. These speakers come in beautiful colours yet they are also practical being waterproof, dust proof and shockproof so they are protected from knocks and splashes.They are definitely worth the money - this one is set at a great price point- and I would recommend this speaker.
Mellie157
originally posted on ultimateears.comSpecification
| Colour | Lilac |
| Battery Life | Up to 15 hours* |
| Manufacturer's Warranty | 1 Year |
| Connectivity | Bluetooth |
| IP Rating | IPX7 |