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Trusted since 2012 — Greentoe is where smart shoppers save big!
Trusted since 2012 — Greentoe is where smart shoppers save big!
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Sony ULT FIELD 5 Wireless Portable Speaker (Black)
Model: SRSULT50/B
1/14
- 2-Way Speaker System
- 2 x Tweeters & 1 x X-Balanced Woofer
- Two Modes of ULT Bass Boost
- Integrated 360° Party Lights
- Up to 25 Hours of Playback
- IP67-Rated Water & Dust Resistance
- Expand with Stereo Pair or Party Connect
- Output Power to a USB-C Device
- 3.5mm AUX Input for Wired Playback
- Sony ULT FIELD 5 Wireless Portable Speaker (Black)
- Adjustable Shoulder Strap
- USB-C Cable
- Limited 1-Year Manufacturer Warranty
Authorized RetailersManufacturer warranty included
New Products OnlyWe never sell used merchandise
Free ShippingOn most items
30 Days Returns*Minimum return policy
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What People Say...
Reviewer1847861951
5/5
OMG Green toe rocks
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5/5
Finally!
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5/5
Leary at first, but...
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Reviewer1847861951
5/5
OMG Green toe rocks
"I did not have the money to buy this TV at the retail price of $2700. Thank you for offering this service. Now i can watch TV after 6 months. My current TV burned out 6 months ago"View article
Reviewer4137920598
5/5
Finally!
"Been wanting this TV for so long but it was always just slightly over my budget. Greentoe helped me get there!"View article
Specifications
Wired Connectivity
| Inputs/Outputs | 1x USB-C (Audio/Power) Input/Output 1x 1/8" / 3.5 mm Stereo (Audio) Input |
|---|
Speaker System
| Drivers | 1x 4.2 x 3.1" / 107 x 79 mm Woofer 2x Tweeters |
|---|---|
| Passive Radiators | 2 |
Power
| USB Power | Yes |
|---|---|
| Estimated Battery Life | 25 Hours |
Physical
| Dimensions (W x H x D) | 12.6 x 5.7 x 4.9" / 320 x 144 x 125 mm |
|---|---|
| Media/Memory Card Slot | No |
| Color | Black |
| Weight | 7.3 lb / 3.3 kg |
| Environmental Resistance | Dust/Water-Resistant (IP67) |
Packaging Info
| Box Dimensions (LxWxH) | 13.94 x 7 x 6.375" |
|---|---|
| Package Weight | 8.47 lb |
Microphone
| Built-In Mic | No |
|---|
Key Specs
| Media/Memory Card Slot | No |
|---|---|
| Bluetooth | 5.3 |
| Built-In Mic | No |
| Drivers | 1x 4.2 x 3.1" / 107 x 79 mm Woofer 2x Tweeters |
Bluetooth Connectivity
| Bluetooth | 5.3 |
|---|
Sony ULT FIELD 5 Wireless Portable Speaker (Black) is rated
4.9 out of
5 by
25.
Rated 5 out of
5
by
LeslieA from
Wherever we go, good music follows!
[This review was collected as part of a promotion.] This speaker has completely changed our lake days.
We live on Lake Travis, and this is become a staple for sunset hangs and spontaneous dance parties. The sound is legit – deep bass, clear highs, and it actually carries across open space without getting muddy. I used to produce live music, and I’m picky…this delivers.
It has that full, immersive feel that makes you forget you’re listening to a portable speaker. It’s also built for real life! It’s easy to carry, durable, fast to connect, and the battery lasts all day and then some. If you wanna bring concert energy wherever we go, this is it!
Date published: 2026-04-28
Rated 5 out of
5
by
AngelyC from
Another level of music and bass
[This review was collected as part of a promotion.] This speaker is simply amazing! The audio quality is so precise and clear that feels like songs are just made for your ears. The light changing colors at the rhythm of the music is an amazing touch that makes ir perfect for a party. Tried it with rock, reggaeton, salsa, dembow and bachata and the ULT bass is another level. Without it you can hear an amazing song but with it, you feel like you’re inside of the song. This speaker is concert level. The size with the straps are for super easy for travel. Lasted the whole beach day and had more than 75% left.
Date published: 2026-04-16
Rated 5 out of
5
by
IariD from
Blown Away By This Speaker
[This review was collected as part of a promotion.] This speaker exceeded every expectation. The sound quality is genuinely amazing – clear, full, and with serious base. Period.
The built-in light display that sinks to your music is a fun touch that makes it perfect for parties and entertaining. Bonus: it appears with your TV and gaming system for an immerse surround sound experience.
It’s sleek, lightweight, and easy to carry around – I’ve used it in the living room, backyard, and even while doing yard work.
Would I buy this myself? Absolutely. One of the best portable speakers I’ve ever used!
Date published: 2026-06-17
Rated 5 out of
5
by
PawelP from
Great sound, easy setup and excellent portability makes it perfect for outdoor activities and gatherings!
[This review was collected as part of a promotion.] The Ult field 5 is a fantastic addition to any outdoor or on the go audio setup. One of the stand out features is the attachable sturdy strap which makes it incredibly easy to carry around. The sound quality is impressive delivering clear rich audio that can easily cover a large area. Whether it’s a backyard gathering, doing yard work or just relaxing outside the speaker provides powerful sounds that keeps the atmosphere lively. Overall it’s a versatile, reliable and high quality portable speaker with ease of use, portability and great sound!
Date published: 2026-06-03
Rated 5 out of
5
by
KellyG from
Great sound quality
[This review was collected as part of a promotion.] Very solid speaker and sound. It was slightly touchy in the set up and connection with the app but once connected it works easily. In the app you can change the colors of the lights, adjust sound quality, and you can even mix a little like a DJ. The speaker sound quality is excellent and can be very loud if needed. It comes with a strap for carrying which is nice because it is in the heavier side. I want to note that I ordered a black speaker but inside the box with a black speaker on the outside, I received a white speaker.
Date published: 2026-05-01
Rated 5 out of
5
by
ElizabethW from
Such a wonderful speaker!
[This review was collected as part of a promotion.] This Sony ULT Power Sound Series Field 5 Wireless Portable Speaker has absolutely incredible sound. The rainbow option of light on the side is so incredible, and so not only is the sound quality absolutely next level, and can get so extremely strong, powerful, and have amazing vibrations, but also the visual of the speaker is so incredibly sexy. Sony never fails when it comes to the technology and electronics, and so I knew that the speaker would be a very strong contender, but I had no idea how powerful and incredible it would be! I’ve been using this nonstop, around the house, as well as bringing it to parties, and find that it is so great at blasting my favorite tunes with all my friends
Date published: 2026-06-03
Rated 5 out of
5
by
KyleeY from
Highest quality speaker Sony has ever released
[This review was collected as part of a promotion.] Best speaker I’ve ever used ! Amazing for music and movies as well, it was super easy to setup! It came with an instruction manual to help you through the process and has over two features of audio between bass boosted and non bass boosted, definitely worth the money I’ve never had such an amazing speaker before. Sony never disappoints ! It’s also portable and features a strap for you to carry along with you offering a transport style feature so you can bring it on the go!
Date published: 2026-06-09
Rated 5 out of
5
by
DonkaD from
Clear sound, intuitive connection
[This review was collected as part of a promotion.] Got the speaker today and I couldn’t wait to try it! Setup is so easy: you scan a bar code on the box and follow the steps. It connected to my phone right away and Spotify recognised the device right away. Sound is pretty decent for this type of device. I played a few different styles and there’s definable clarity and good bass. Size is a bit bigger than expected. In my mind I thought of something as big as my Beats pill but this is definitely bigger and packs more power than Beats for sure. Lights are so much run!! It’ comes with a strap so secure taking it places. It’s a big heavy for walking around with it, but I guess priorities:) overall super pleasantly surprised and at the same time not because Sony is quality.
Date published: 2026-04-21
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- 2-Way Speaker System
- 2 x Tweeters & 1 x X-Balanced Woofer
- Two Modes of ULT Bass Boost
- Integrated 360° Party Lights
- Up to 25 Hours of Playback
- IP67-Rated Water & Dust Resistance
- Expand with Stereo Pair or Party Connect
- Output Power to a USB-C Device
- 3.5mm AUX Input for Wired Playback
- Sony ULT FIELD 5 Wireless Portable Speaker (Black)
- Adjustable Shoulder Strap
- USB-C Cable
- Limited 1-Year Manufacturer Warranty