Soundcore Motion 300 vs Ultimate Ears Megaboom 4

Last updated: August 28, 2026

Short answer: the Soundcore Motion 300. It ranks #2 of 136 medium speakers by sound quality at $79.99; the Ultimate Ears Megaboom 4 ranks #132 and costs $200, so there is not much of a tradeoff to weigh.

What the Soundcore Motion 300 offers: Pretty deep bass for the small size. Pocket size in a big pocket. Can be used in stereo facing you, or omnidirectional lying down. Ability to have a custom EQ for each orientation, standing, lying flat, hanging. Try the Uboom L EQs from Oluv for a more neutral sound. Watch for: Without the above EQ or turning the top 2 treble EQ bars to max, this speaker is very rolled off in the treble and will rank around #50 in the rankings. Bassup mode is worse than Signature. Not quite as detailed or neutral as higher ranked speakers. Slight bass distortion when turned up.

What the Ultimate Ears Megaboom 4 offers: IP67 rated, floats, and finally uses USB-C charging. 20 hour battery life. ‘PartyUp’ feature syncs multiple UE speakers together. Watch for: A lot of distortion at higher volumes. Rolled off treble. Not very loud. They really screwed this up

Buy the Soundcore Motion 300. It ranks higher for sound quality than the Ultimate Ears Megaboom 4 and costs less, which settles it without a real tradeoff to make.

If sound quality matters at all to you, skip the Ultimate Ears Megaboom 4. It ranks near the bottom of the 136 medium speakers, so look higher up the list instead.

If battery life is a priority, the Ultimate Ears Megaboom 4 is rated for 20 hours versus 13 hours for the Soundcore Motion 300.

Soundcore Motion 300 vs Ultimate Ears Megaboom 4

Specifications Side By Side

Soundcore Motion 300 Ultimate Ears Megaboom 4
Price$79.99$200
Ranked#2 of 136 in Medium Size Portable Bluetooth Speakers#132 of 136 in Medium Size Portable Bluetooth Speakers
AppYesYes
Aux InputNo-
Bass Extension (-10dB)50Hz-
Battery Life13 hours (Manufacturer specified)20 hours (Manufacturer specified)
Bluetooth CodecsLDAC, SBC-
Built in MicrophoneYesNo
EQYes (9 band with adjustable frequency)Yes (via app)
IP RatingIPX7IP67
Bluetooth Latency216ms ldac, 200ms aac, 116ms sbc-
Max Volume101dB91dB
Power BankNo-
StereoYesNo
OmnidirectionalPointing upYes
TWSYesYes
Weight1.7 lbs / 772 g2.4 lbs / 1.1 kg
Bluetooth Version5.35.1
Dimensions7.9" x 3.6" x 2" (200 x 92 x 50 mm)3.4" x 3.4" x 8.9" (87 x 87 x 225 mm)
Drivers2x 50.8mm (2") full-range drivers + 2x passive radiators2x 50x50mm full-range + 2x 55x86mm passive radiators
Frequency Response65Hz - 40kHz (Manufacturer specified)-
Power InputUSB-CUSB-C
Output Power30W-
Party ModeYes (PartyCast up to 100 speakers)Yes (PartyUp up to 50 speakers)
Digital Aux InputNoNo

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

Prices on this page were last checked August 27, 2026 at 10:09 PM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.

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The Two Speakers In Full

Soundcore Motion 300: $79.99 Amazon eBay

Soundcore Motion 300 ranking card

Pros: Pretty deep bass for the small size. Pocket size in a big pocket. Can be used in stereo facing you, or omnidirectional lying down. Ability to have a custom EQ for each orientation, standing, lying flat, hanging. Try the Uboom L EQs from Oluv for a more neutral sound.

Cons: Without the above EQ or turning the top 2 treble EQ bars to max, this speaker is very rolled off in the treble and will rank around #50 in the rankings. Bassup mode is worse than Signature. Not quite as detailed or neutral as higher ranked speakers. Slight bass distortion when turned up.

AppYes
Aux InputNo
Bass Extension (-10dB)50Hz
Battery Life13 hours (Manufacturer specified)
Bluetooth CodecsLDAC, SBC
Bluetooth Latency216ms ldac, 200ms aac, 116ms sbc
Bluetooth Version5.3
Built in MicrophoneYes
Digital Aux InputNo
Dimensions7.9" x 3.6" x 2" (200 x 92 x 50 mm)
Drivers2x 50.8mm (2") full-range drivers + 2x passive radiators
EQYes (9 band with adjustable frequency)
Frequency Response65Hz - 40kHz (Manufacturer specified)
IP RatingIPX7
Max Volume101dB
OmnidirectionalPointing up
Output Power30W
Party ModeYes (PartyCast up to 100 speakers)
Power BankNo
Power InputUSB-C
StereoYes
TWSYes
Weight1.7 lbs / 772 g

Ultimate Ears Megaboom 4: $200 Amazon eBay

Ultimate Ears Megaboom 4 ranking card

Pros: IP67 rated, floats, and finally uses USB-C charging. 20 hour battery life. ‘PartyUp’ feature syncs multiple UE speakers together.

Cons: A lot of distortion at higher volumes. Rolled off treble. Not very loud. They really screwed this up

AppYes
Battery Life20 hours (Manufacturer specified)
Bluetooth Version5.1
Built in MicrophoneNo
Digital Aux InputNo
Dimensions3.4" x 3.4" x 8.9" (87 x 87 x 225 mm)
Drivers2x 50x50mm full-range + 2x 55x86mm passive radiators
EQYes (via app)
IP RatingIP67
Max Volume91dB
OmnidirectionalYes
Party ModeYes (PartyUp up to 50 speakers)
Power InputUSB-C
StereoNo
TWSYes
Weight2.4 lbs / 1.1 kg