1 / 7Soundcore Boom 3i Outdoor Bluetooth Speaker, 50 W
Soundcore Boom 3i is a portable Bluetooth speaker presented for outdoor and water-based use. Its listing claims 50 Watts maximum output, saltwater resistance, floating playback and up to 16 hours of playtime, while customer feedback highlights sound and volume. Battery life and ruggedness claims are not independent performance measurements.
At a glance
- The listing claims IP68 waterproof and dustproof protection, floating playback and increased saltwater resistance for outdoor use.
- BassUp 2.0 and DSP are described as supporting bass, with 50 Watts maximum output and a 56 Hz low-frequency figure listed.
- The manufacturer claims up to 16 hours of playback and app control. It also lists Voice Amplifier, Emergency Alarm and Buzz Clean features.
Reference price: €149.90
Price checked: 13 Nov 2026
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Pros and cons
Pros
- Customer feedback highlights sound quality and strong perceived bass at high volume.
- The claimed floating design and saltwater resistance target pool, boating and kayaking use.
- App control and listed stereo pairing add control and setup options.
Technical specifications
24 specifications| Brand | Soundcore |
|---|---|
| Model | soundcore boom 3i |
| Speaker type | Portable Speaker |
| Maximum output power | 50 Watts |
| Frequency response | 56 Hz |
| Audio output mode | Stereo |
| Audio driver | Dynamic Driver |
| Audio encoding | Advanced Audio Coding (AAC) |
| Special features listed | Bass Boost, Dustproof, LED Light, Stereo Pairing, Waterproof |
| Wireless connection listed | Bluetooth |
|---|---|
| Control method listed | App |
| Bluetooth range listed | 100 Meters |
| Compatible devices listed | Smartphone, Laptop, Tablet, Personal Computer |
| Power configuration | Battery Powered |
|---|---|
| Battery quantity and type listed | 1 C batteries required. |
| Input voltage | 5 Volts |
| Dimensions | 21D x 8.5W x 7.8H centimetres |
|---|---|
| Weight | 830 Grams |
| Mounting type listed | Tabletop Mount |
| Speaker size | 3.7 Inches |
| Colour | Black |
|---|---|
| Waterproof field | True |
| Warranty type | Limited |
| Country of origin | China |
What to know before buying
Listing details to confirm
Listing details are inconsistent or unconfirmed: the battery specification says one C battery is required, while the feature description claims 16 hours of playback. The item is described as saltwater-resistant and floating, but the supplied details do not specify operating conditions or a saltwater-resistance test basis. Confirm the battery and usage details for the selected listing.
Who is it for?
A good fit for
- Outdoor listening near pools, boats or other water-based activities, provided the claimed protection matches your intended conditions.
- Buyers seeking a portable speaker with listed stereo output, app control and a claimed 50 Watts maximum output.
- Listeners who value customer-reported bass and high volume, while treating playback and durability figures as listing claims.
Less suited to
- Anyone who needs a confirmed battery format or independently established playtime before purchase.
- Buyers seeking a speaker with independently verified water or saltwater performance details.

Customer reviews on Amazon
- 5 stars
79% 79% - 4 stars
12% 12% - 3 stars
4% 4% - 2 stars
2% 2% - 1 star
3% 3%
Customer feedback is generally positive about sound, perceived bass at high volume, volume and value, with battery life and outdoor suitability also mentioned. This aligns with the speaker's listed output and portable outdoor positioning, but does not verify its claimed 16-hour playtime, saltwater resistance or waterproof performance. The aggregate ratings lean strongly positive, though they cannot explain individual experiences.
Positive themes
- Customers praise sound quality and perceived bass, including at high volume.
- Feedback also mentions battery life, volume, portability, waterproofing and price-performance positively.
Frequently asked questions
Is the Soundcore Boom 3i suitable for water-based outings?
The listing describes it as waterproof, dustproof, saltwater-resistant and able to float upright. Treat these as manufacturer claims, and confirm they suit your specific conditions.
How long does the battery last?
The feature text claims up to 16 hours of playback, but the technical details also say one C battery is required. That battery information conflicts with the playtime claim, so confirm the configuration before buying.
Can it pair with another speaker?
Stereo pairing is included in the listed special features. The supplied details do not explain the pairing setup or supported speaker models.
What controls are listed?
App is the listed control method. Bluetooth is the stated wireless connection.

Alternative options

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€49.90

soundcore Boom 2 Pro Outdoor Speaker, 140W 2+2 Channels, BassUp 2.0, 20H Fast Charge, IP68 Dust and Waterproof, RGB Lights, USB-C, Power Bank, BT 5.3, Portable Bluetooth Speaker
€223.92

Anker soundcore 2 Portable Bluetooth Speaker with 12W Stereo Sound | BassUp, IPX7 Waterproof, 24-Hour Playtime, Wireless Stereo Pairing, Speaker for Home, Outdoors, Travel
€24.90





















