JBL Boombox 3 vs Soundcore Motion Boom+

Last updated: August 28, 2026

Short answer: the JBL Boombox 3 on measured sound quality, the Soundcore Motion Boom+ on price. The JBL Boombox 3 ranks #21 of 73 boombox speakers at $349.95. The Soundcore Motion Boom+ ranks #47 at $140, $209.95 cheaper.

What the JBL Boombox 3 offers: IP67 rated. 24 hour battery life (6.5 hour charge time). Doubles as a power bank. PartyBoost links up to 100 compatible JBL speakers. Three-way speaker system with subwoofer. Watch for: Dips in mid bass range which makes the bass sound undefined, bass boosted, peaky at 700hz, not quite as good mids and treble as the Blast.

What the Soundcore Motion Boom+ offers: 80W stereo from dual 30W woofers + dual 10W tweeters with titanium drivers for treble clarity. 13,400mAh battery for 20 hours (12-15 at high volume). IP67 waterproof, floats, rugged build inspires confidence. Bluetooth 5.3 multipoint pairing, Soundcore app EQ, PartyCast 2.0 mode. USB-C input, USB-A output for powerbank. Watch for: Default presets are all warm sounding with rolled off treble. Will need a custom EQ to get closer to neutral. A shrill sounding 6khz peak comes out when volume is above about 60%. Not much deeper bass than a Motion Boom and a lot less deep bass than other speakers in the class.

Buy the JBL Boombox 3 if sound quality is the priority over the price, or the Soundcore Motion Boom+ if the price is the priority over sound quality.

Buy the JBL Boombox 3 at Amazon ($349.95) →Buy the Soundcore Motion Boom+ at Amazon ($140) →

JBL Boombox 3 vs Soundcore Motion Boom+

Specifications Side By Side

JBL Boombox 3 Soundcore Motion Boom+
Price$349.95$140 after $40 coupon, Discontinued
Ranked#21 of 73 in Boombox Size Portable Bluetooth Speakers#47 of 73 in Boombox Size Portable Bluetooth Speakers
Aux InputYesYes
Aux Latency25ms17ms
Bass Extension (-10dB)43Hz52Hz
Battery Life24 hours (Manufacturer specified)20 hours (Manufacturer specified)
IP RatingIP67IP67
Bluetooth Latency100ms33ms
Max Volume110dB108dB
Party ModeYes (PartyBoost up to 100 speakers)Yes (PartyCast up to 100 speakers)
Power InputAC Power cableUSB-C
StereoYesYes
OmnidirectionalNoNo
TWSYesYes
Weight14.8 lbs / 6.7 kg5.3 lbs / 2.4 kg
Bluetooth CodecsSBCSBC
AppNoYes (Soundcore app)
EQNoYes (App EQ)
Power BankYes (USB-A)Yes (USB-A, 5V/2.1A)
USB PlaybackNoNo
Built in MicrophoneNoNo
FM TunerNo-
Microphone InputNo-
MicroSD PlaybackNo-
Output Power180W AC / 136W battery80W
Dimensions19" x 10.1" x 7.9" (482 x 257 x 200 mm)15.1" x 5.1" x 7.7" (384 x 130 x 196 mm)
Drivers1x 189mm subwoofer + 2x 81mm woofers + 2x 20mm tweeters30W: Dual drivers
Digital Aux InputNoNo
Bluetooth Version-5.3
Discontinued-Yes
Buy the JBL Boombox 3 at Amazon ($349.95) →Buy the Soundcore Motion Boom+ at Amazon ($140) →

A few more comparisons worth a look in the same 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.

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

The Two Speakers In Full

JBL Boombox 3: $349.95 Amazon eBay

JBL Boombox 3 ranking card

Pros: IP67 rated. 24 hour battery life (6.5 hour charge time). Doubles as a power bank. PartyBoost links up to 100 compatible JBL speakers. Three-way speaker system with subwoofer.

Cons: Dips in mid bass range which makes the bass sound undefined, bass boosted, peaky at 700hz, not quite as good mids and treble as the Blast.

Full JBL Boombox 3 review and specifications →

AppNo
Aux InputYes
Aux Latency25ms
Bass Extension (-10dB)43Hz
Battery Life24 hours (Manufacturer specified)
Bluetooth CodecsSBC
Bluetooth Latency100ms
Built in MicrophoneNo
Digital Aux InputNo
Dimensions19" x 10.1" x 7.9" (482 x 257 x 200 mm)
Drivers1x 189mm subwoofer + 2x 81mm woofers + 2x 20mm tweeters
EQNo
FM TunerNo
IP RatingIP67
Max Volume110dB
MicroSD PlaybackNo
Microphone InputNo
OmnidirectionalNo
Output Power180W AC / 136W battery
Party ModeYes (PartyBoost up to 100 speakers)
Power BankYes (USB-A)
Power InputAC Power cable
StereoYes
TWSYes
USB PlaybackNo
Weight14.8 lbs / 6.7 kg
Check current price at Amazon ($349.95) →Search eBay for JBL Boombox 3 →

Soundcore Motion Boom+: $140 after $40 coupon, Discontinued Amazon eBay

Soundcore Motion Boom+ ranking card

Pros: 80W stereo from dual 30W woofers + dual 10W tweeters with titanium drivers for treble clarity. 13,400mAh battery for 20 hours (12-15 at high volume). IP67 waterproof, floats, rugged build inspires confidence. Bluetooth 5.3 multipoint pairing, Soundcore app EQ, PartyCast 2.0 mode. USB-C input, USB-A output for powerbank.

Cons: Default presets are all warm sounding with rolled off treble. Will need a custom EQ to get closer to neutral. A shrill sounding 6khz peak comes out when volume is above about 60%. Not much deeper bass than a Motion Boom and a lot less deep bass than other speakers in the class. Discontinued.

Full Soundcore Motion Boom+ review and specifications →

AppYes (Soundcore app)
Aux InputYes
Aux Latency17ms
Bass Extension (-10dB)52Hz
Battery Life20 hours (Manufacturer specified)
Bluetooth CodecsSBC
Bluetooth Latency33ms
Bluetooth Version5.3
Built in MicrophoneNo
Digital Aux InputNo
Dimensions15.1" x 5.1" x 7.7" (384 x 130 x 196 mm)
DiscontinuedYes
Drivers30W: Dual drivers
EQYes (App EQ)
IP RatingIP67
Max Volume108dB
OmnidirectionalNo
Output Power80W
Party ModeYes (PartyCast up to 100 speakers)
Power BankYes (USB-A, 5V/2.1A)
Power InputUSB-C
StereoYes
TWSYes
USB PlaybackNo
Weight5.3 lbs / 2.4 kg
Check current price at Amazon ($140) →Search eBay for Soundcore Motion Boom+ →