Sony SRS Field 5 Portable Speaker
Sony SRS Field 5 Portable Speaker
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The Sony SRS-ULT50, also known as the ULT FIELD 5, is built for Kenyans who want serious outdoor and indoor sound without compromising on portability. With dual tweeters and a powerful X-Balanced woofer, it delivers punchy, room-filling audio that cuts through the noise at house parties in Nairobi, road trips to Naivasha, or outdoor events in Mombasa.
ULT POWER SOUND modes let you switch between two levels of boosted bass and impact, while Sound Field Optimization helps keep your music clear and balanced. Rated IP66/IP67, this speaker is ready for dust, splashes, and sudden rain, making it ideal for Kenyan weather and rougher use on the go. Long-lasting battery life, USB Type-C charging, and Bluetooth 5.3 with LDAC support give you modern convenience, and you can even charge your phone from the speaker as you stream via your favourite apps.
Pay conveniently with M-Pesa, card or Lipa Pole Pole (instalments). Free delivery within Nairobi and fast countrywide shipping. Genuine, warranted stock from Trewrld Kenya.
Price in Kenya: KES 35,000
Key features & specifications
- Powerful sound from dual tweeters and an X-Balanced woofer for rich, impactful audio at parties and gatherings
- ULT POWER SOUND modes (ULT1 / ULT2) to boost bass and intensity when you need extra punch
- Sound Field Optimization helps keep music clear and balanced in different rooms and outdoor spaces
- Rugged IP66/IP67 water and dust protection, ideal for outdoor use across Kenya
- Bluetooth 5.3 with SBC, AAC and LDAC support for stable, high-quality wireless streaming
- Stereo pair and Party Connect functions to link multiple speakers for bigger sound coverage
- USB Type-C power port lets you top up your smartphone directly from the speaker
- Long-lasting internal rechargeable battery designed for all-day listening on the move
- Compact, portable design with included shoulder strap for easy carrying around town or upcountry
Full technical specifications
| Sound | |
|---|---|
| Number of speakers | Tweeter Unit: 2, Woofer Unit: 1 |
| Speaker type | Woofer / Tweeter (L / R) |
| X-Balanced Speaker Unit | Woofer Unit |
| Sound modes | ULT POWER SOUND: 2 (ULT1 / ULT2) |
| Volume step | 50 |
| Custom EQ band | 10-band EQ |
| Tweeter size | Approx. Φ 1.81" |
| Woofer size | Approx. 3.11" x 4.21" |
| Sound functions | Sound Field Optimization |
| Connectivity | |
| Bluetooth version | 5.3 |
| Bluetooth frequency range | 2.4 GHz |
| Bluetooth transmission range | 20 Hz–20,000 Hz (44.1 kHz sampling) |
| Bluetooth profiles | A2DP, AVRCP, SPP |
| Supported codecs | SBC, AAC, LDAC |
| Speaker add function | Stereo Pair, Party Connect |
| Input / output terminals | Stereo mini jack (IN), USB Type-C (DC IN / OUT only) |
| Power & Battery | |
| Power supply | DC, 5 V / 9 V, internal rechargeable, USB Type-C |
| Power consumption | Approx. 27 W (at 9 V 3.0 A) |
| Battery life | Approx. 25 hours |
| USB power port for smartphone | Yes |
| Durability | |
| Water and dust protection | IP66 / IP67 |
| Dimensions & Weight | |
| Dimensions (W x H x D) | Approx. 12.6" x 5.67" x 4.92" |
| Weight | Approx. 7.28 lb |
| Smart Features | |
| Compatible smartphone apps | Sound Connect |
| Eco & Energy | |
| Power consumption (networked standby mode) | 2.0 W (Bluetooth function, all terminals and networks connected) |
| Power consumption (standby / low power mode) | 0.3 W |
| Power consumption (off mode) | Not available |
| Warranty | |
| Warranty | Official Sony warranty (duration as per Trewrld Kenya policy) |
| What’s in the Box | |
| Included accessories | USB Type-C cable (C to C), strap belt (shoulder strap) |
Perfect for
- Nairobi and Mombasa party lovers who need a rugged, bass-heavy portable speaker for house parties and outdoor hangouts
- Students in universities and colleges across Kenya looking for a powerful yet portable Bluetooth speaker for hostels and campus events
- Small businesses, cafés and salons that want quality background music without installing a full sound system
- Event organisers and DJs who need an extra portable speaker option with Party Connect for quick setups
- Families upcountry who want a durable, weather-resistant speaker for compound gatherings and weekend barbecues
What's in the box
- Sony SRS-ULT50 ULT Field 5 wireless speaker
- USB Type-C cable (C to C)
- Strap belt (shoulder strap)
- Quick start documentation / user manual
Watch it in action
Why buy from Trewrld Kenya
- Genuine, brand-new stock with warranty
- Pay via M-Pesa, card or Lipa Pole Pole (instalments)
- Free same-day delivery in Nairobi, fast countrywide shipping
- Knowledgeable local support before and after you buy
- Trusted Kenyan tech retailer — trewrld.com
Frequently asked questions
What is the price of the Sony SRS-ULT50 ULT Field 5 in Kenya?
At Trewrld Kenya, the Sony SRS-ULT50 ULT Field 5 wireless speaker is available from KES 35,000. Prices may vary slightly over time based on offers and availability.
Can I pay for the Sony SRS-ULT50 using M-Pesa or Lipa Pole Pole?
Yes. You can pay securely via M-Pesa when checking out on Trewrld, and we also offer flexible Lipa Pole Pole instalment options through our approved financing partners, subject to approval.
Do you deliver the Sony SRS-ULT50 across Kenya?
Yes. We deliver countrywide—Nairobi, Mombasa, Kisumu, Eldoret, Nakuru and other towns. Nairobi orders typically get same-day or next-day delivery, while upcountry deliveries depend on your location and courier timelines.
What warranty do I get with the Sony SRS-ULT50 ULT Field 5?
This is a genuine Sony unit with an official warranty as per Trewrld Kenya’s policy. The warranty covers manufacturer defects; physical or liquid damage and misuse are not covered.
Is the Sony SRS-ULT50 waterproof and suitable for outdoor use?
The Sony SRS-ULT50 has IP66/IP67 water and dust protection, making it suitable for outdoor use, including dusty environments and light rain. Avoid fully submerging it for extended periods and always close any covers properly.
Can I pair the Sony SRS-ULT50 with another speaker for stereo or parties?
Yes. The SRS-ULT50 supports Stereo Pair to create left/right channels with a second compatible unit, and Party Connect to link multiple speakers for bigger sound at parties and events.