Soundcore Motion Boom vs Ultimate Ears Epicboom

Last updated: August 28, 2026

Short answer: the Soundcore Motion Boom. It ranks #14 of 77 large speakers by sound quality at $109.99; the Ultimate Ears Epicboom ranks #57 and costs $213.41, which makes this an easy call rather than a real tradeoff.

What the Soundcore Motion Boom offers: 30W loud bass-heavy sound, excellent budget-friendly value. 10,000mAh battery for 24 hours claimed (15-18 hours with BassUp engaged at high volume). Waterproof, buoyant design, convenient carry handle. PowerIQ USB port charges devices. BassUp feature works well with clear mids/highs. Watch for: Not as neutral or detailed as other top ranked speakers

What the Ultimate Ears Epicboom offers: 17 hour battery with USB-C charging (first UE portable with USB-C). IP67 rating, floats in water. Made mostly from recycled fabric and plastic. Large best-sounding UE portable that still feels portable. 180ft Bluetooth range. Watch for: Not very deep bass for the size. Gets distorted at around 70-80% with bass thuds.

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

Soundcore Motion Boom vs Ultimate Ears Epicboom

Specifications Side By Side

Soundcore Motion Boom Ultimate Ears Epicboom
Price$109.99$213.41
Ranked#14 of 77 in Large Size Portable Bluetooth Speakers#57 of 77 in Large Size Portable Bluetooth Speakers
AppYesNo
Aux InputNoYes
Bass Extension (-10dB)53Hz~55Hz
Battery Life24 hours (Manufacturer specified)17 hours (Manufacturer specified)
EQYesNo
IP RatingIPX7IPX7
Bluetooth Latency170ms-
Max Volume106dB94dB
Party ModeNoNo
Power BankYes (USB-A)No
Power InputUSB-CUSB-C
StereoYesYes
OmnidirectionalNoNo
TWSYesYes
Weight3.3 lbs / 1.5 kg4.3 lbs / 1.97 kg
Bluetooth CodecsSBCSBC
Built in MicrophoneYesYes
Bluetooth Version5.05.2
Dimensions13.6" x 7.9" x 5.8" (346 x 200 x 148 mm)4.7" x 9.5" x 6.4" (119 x 241 x 162 mm)
Drivers2x 63.5mm titanium fullrange drivers + 2x passive radiators1x 120mm woofer, 2x 45mm tweeters
Output Power30W10W RMS
Digital Aux InputNoNo
Frequency Response-50Hz - 20kHz (Manufacturer specified)

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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 Boom: $109.99 Amazon eBay

Soundcore Motion Boom ranking card

Pros: 30W loud bass-heavy sound, excellent budget-friendly value. 10,000mAh battery for 24 hours claimed (15-18 hours with BassUp engaged at high volume). Waterproof, buoyant design, convenient carry handle. PowerIQ USB port charges devices. BassUp feature works well with clear mids/highs.

Cons: Not as neutral or detailed as other top ranked speakers

AppYes
Aux InputNo
Bass Extension (-10dB)53Hz
Battery Life24 hours (Manufacturer specified)
Bluetooth CodecsSBC
Bluetooth Latency170ms
Bluetooth Version5.0
Built in MicrophoneYes
Digital Aux InputNo
Dimensions13.6" x 7.9" x 5.8" (346 x 200 x 148 mm)
Drivers2x 63.5mm titanium fullrange drivers + 2x passive radiators
EQYes
IP RatingIPX7
Max Volume106dB
OmnidirectionalNo
Output Power30W
Party ModeNo
Power BankYes (USB-A)
Power InputUSB-C
StereoYes
TWSYes
Weight3.3 lbs / 1.5 kg

Ultimate Ears Epicboom: $213.41 Amazon eBay

Ultimate Ears Epicboom ranking card

Pros: 17 hour battery with USB-C charging (first UE portable with USB-C). IP67 rating, floats in water. Made mostly from recycled fabric and plastic. Large best-sounding UE portable that still feels portable. 180ft Bluetooth range.

Cons: Not very deep bass for the size. Gets distorted at around 70-80% with bass thuds.

AppNo
Aux InputYes
Bass Extension (-10dB)~55Hz
Battery Life17 hours (Manufacturer specified)
Bluetooth CodecsSBC
Bluetooth Version5.2
Built in MicrophoneYes
Digital Aux InputNo
Dimensions4.7" x 9.5" x 6.4" (119 x 241 x 162 mm)
Drivers1x 120mm woofer, 2x 45mm tweeters
EQNo
Frequency Response50Hz - 20kHz (Manufacturer specified)
IP RatingIPX7
Max Volume94dB
OmnidirectionalNo
Output Power10W RMS
Party ModeNo
Power BankNo
Power InputUSB-C
StereoYes
TWSYes
Weight4.3 lbs / 1.97 kg