JBL Boombox 3 Review: Ranked #27 of 91

Last updated: October 5, 2026

The JBL Boombox 3 ranks #27 out of 91 total Boombox Size Portable Bluetooth Speakers for sound quality. See all Portable Bluetooth rankings for every top pick.

Brand: JBL

Prices on this page were last checked October 5, 2026 at 10:21 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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#27 JBL Boombox 3: $349.95 Amazon eBay

Newer model: the JBL Boombox 4, ranked higher, rated 4/5.

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. Measured bass extension of 43Hz (-10dB).

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.

Related speakers: JBL Boombox, JBL Boombox 2, JBL Boombox 4.

How it compares: Just above it: JBL Boombox 3 Wifi - $40 more. Just below it: Bugani Brief Pro - $250 cheaper, 12 fewer hours of battery life.

Amplifier Power180W AC / 136W battery
AppNo
Aux InputYes
Aux Latency25ms
Bass Extension (-10dB)43Hz
Battery Life24 hours (Manufacturer specified)
BluetoothYes
Bluetooth CodecsSBC
Bluetooth Latency100ms
Bluetooth Version5.3
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
Maximum SPL110dB (measured by Alan Ross Reviews)
MicroSD PlaybackNo
Microphone InputNo
OmnidirectionalNo
Party ModeYes (PartyBoost up to 100 speakers)
Power BankYes (USB-A)
Power InputAC Power cable
StereoYes
StrapNo
TWSYes
USB PlaybackNo
Weight14.8 lbs (6.7 kg)

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Questions about the JBL Boombox 3? Ask other owners on r/WirelessSpeakers.