Soundcore Boom Go 3i vs Teufel Boomster Go

Last updated: August 19, 2026

Short answer: the Soundcore Boom Go 3i. It ranks #2 of 47 small speakers by sound quality; the Teufel Boomster Go ranks #7.

What the Soundcore Boom Go 3i offers: IP68 rated (full submersion + dustproof). ~24 hour battery life. RGB light strip syncs to the music. The tradeoff: Sounds a bit piercing and metallic. Bass knocks a little bit. Peak at 10khz.

The case for the Teufel Boomster Go: Pretty deep bass and quite balanced overall for the size. Watch for: Distortion becomes audible above roughly 75% volume; at max volume up close it gets unclear and tinny.

Buy the Soundcore Boom Go 3i if sound quality matters more than the price. Buy the Teufel Boomster Go if the price matters more than sound quality.

If battery life is a priority, the Soundcore Boom Go 3i is rated for 24 hours versus 10 hours for the Teufel Boomster Go.

Soundcore Boom Go 3i vs Teufel Boomster Go

Specifications Side By Side

Soundcore Boom Go 3i Teufel Boomster Go
Price$79.99€80 Discontinued
Ranked#2 of 47 in Small Size Portable Bluetooth Speakers#7 of 47 in Small Size Portable Bluetooth Speakers
AppYesNo
Aux InputNoNo
Battery Life24 hours (Manufacturer specified)10 hours (Manufacturer specified)
Bluetooth CodecsSBCSBC
Built in MicrophoneYesYes
EQYesNo
IP RatingIP68IPX7
Party ModeYes (Auracast)No
Power BankYes (USB-C)No
Power InputUSB-CUSB-C
StereoNoNo
OmnidirectionalPointing upPointing up
TWSYesYes
Weight0.8 lbs / 380 g0.8 lbs / 355 g
Bluetooth Version6.04.0
Output Power15W10W
Dimensions4" x 4.2" x 1.8" (102.1 x 105.9 x 45.5 mm)4.2" x 4" x 1.8" (107 x 102 x 46 mm)
Drivers25mm tweeter + 42mm woofer + passive radiators50mm woofer + 20mm tweeter
Max Volume92dB-
Digital Aux InputNoNo
Frequency Response-65Hz - 20kHz (Manufacturer specified)
Charging Time-2.5 hours
Discontinued-Yes

More useful head-to-heads from the same speaker class:

The Two Speakers In Full

Soundcore Boom Go 3i: $79.99 Amazon Aliexpress

Soundcore Boom Go 3i ranking card

Pros: IP68 rated (full submersion + dustproof). ~24 hour battery life. RGB light strip syncs to the music. USB-C port doubles as a power bank for charging your phone.

Cons: Sounds a bit piercing and metallic. Bass knocks a little bit. Peak at 10khz

Setup: Try out Oluv’s EQ which slightly improves the sound

AppYes
Aux InputNo
Battery Life24 hours (Manufacturer specified)
Bluetooth CodecsSBC
Bluetooth Version6.0
Built in MicrophoneYes
Digital Aux InputNo
Dimensions4" x 4.2" x 1.8" (102.1 x 105.9 x 45.5 mm)
Drivers25mm tweeter + 42mm woofer + passive radiators
EQYes
IP RatingIP68
Max Volume92dB
OmnidirectionalPointing up
Output Power15W
Party ModeYes (Auracast)
Power BankYes (USB-C)
Power InputUSB-C
StereoNo
TWSYes
Weight0.8 lbs / 380 g

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Teufel Boomster Go: €80 Discontinued

Teufel Boomster Go ranking card

Pros: Pretty deep bass and quite balanced overall for the size.

Cons: Distortion becomes audible above roughly 75% volume; at max volume up close it gets unclear and tinny. Discontinued.

AppNo
Aux InputNo
Battery Life10 hours (Manufacturer specified)
Bluetooth CodecsSBC
Bluetooth Version4.0
Built in MicrophoneYes
Charging Time2.5 hours
Digital Aux InputNo
Dimensions4.2" x 4" x 1.8" (107 x 102 x 46 mm)
DiscontinuedYes
Drivers50mm woofer + 20mm tweeter
EQNo
Frequency Response65Hz - 20kHz (Manufacturer specified)
IP RatingIPX7
OmnidirectionalPointing up
Output Power10W
Party ModeNo
Power BankNo
Power InputUSB-C
StereoNo
TWSYes
Weight0.8 lbs / 355 g

As an eBay Partner, we may be compensated if you make a purchase.