Soundcore Boom Go 3i vs Marshall Willen

Last updated: August 18, 2026

Short answer: the Soundcore Boom Go 3i. It ranks #2 of 47 small speakers by sound quality at $79.99; the Marshall Willen ranks #14 and costs $120, so there is not much of a tradeoff to weigh.

On the Soundcore Boom Go 3i side: IP68 rated (full submersion + dustproof). Set against that: Sounds a bit piercing and metallic.

What the Marshall Willen offers: Exceptionally clear vocals for a mono speaker. Watch for: Not that deep of bass.

Buy the Soundcore Boom Go 3i. It ranks higher for sound quality than the Marshall Willen and costs less, so there is no real case for the other one.

If battery life is a priority, the Soundcore Boom Go 3i is rated for 24 hours versus 15 hours for the Marshall Willen.

Soundcore Boom Go 3i vs Marshall Willen

Specifications Side By Side

Soundcore Boom Go 3i Marshall Willen
Price$79.99$120 Discontinued
Ranked#2 of 47 in Small Size Portable Bluetooth Speakers#14 of 47 in Small Size Portable Bluetooth Speakers
AppYesYes
Aux InputNoNo
Battery Life24 hours (Manufacturer specified)15 hours (Manufacturer specified)
Bluetooth CodecsSBCSBC
Built in MicrophoneYesYes
EQYesYes
IP RatingIP68IP67
Party ModeYes (Auracast)Yes (Marshall Stack)
Power BankYes (USB-C)No
Power InputUSB-CUSB-C
StereoNoNo
OmnidirectionalNoNo
TWSYesNo
Weight0.8 lbs / 380 g0.7 lbs / 309 g
Bluetooth Version6.05.1
Output Power15W10W
Dimensions4" x 4.2" x 1.8" (102.1 x 105.9 x 45.5 mm)4" x 1.5" x 4" (101 x 39 x 101 mm)
Drivers25mm tweeter + 42mm woofer + passive radiators2" (51mm) full-range with dual passive radiators
Max Volume92dB88dB
Digital Aux InputNoNo
Bass Extension (-10dB)-75Hz
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
OmnidirectionalNo
Output Power15W
Party ModeYes (Auracast)
Power BankYes (USB-C)
Power InputUSB-C
StereoNo
TWSYes
Weight0.8 lbs / 380 g

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

Marshall Willen: $120 Discontinued Amazon

Marshall Willen ranking card

Pros: Exceptionally clear vocals for a mono speaker. Solid, durable build with IP67 water/dust resistance. Extremely compact - fits in a back pocket.

Cons: Not that deep of bass. A bit of a sharp treble. Discontinued.

AppYes
Aux InputNo
Bass Extension (-10dB)75Hz
Battery Life15 hours (Manufacturer specified)
Bluetooth CodecsSBC
Bluetooth Version5.1
Built in MicrophoneYes
Digital Aux InputNo
Dimensions4" x 1.5" x 4" (101 x 39 x 101 mm)
DiscontinuedYes
Drivers2" (51mm) full-range with dual passive radiators
EQYes
IP RatingIP67
Max Volume88dB
OmnidirectionalNo
Output Power10W
Party ModeYes (Marshall Stack)
Power BankNo
Power InputUSB-C
StereoNo
TWSNo
Weight0.7 lbs / 309 g

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