JBL Xtreme 4 vs Soundcore Boom 2 Plus

Last updated: October 14, 2026

Different classes, so treat this as a step-up-or-not question rather than a head-to-head. The JBL Xtreme 4 ranks #44 of 105 large speakers by sound quality at $309.95; the Soundcore Boom 2 Plus ranks #37 of 99 boombox speakers by sound quality at $179.99.

JBL Xtreme 4 vs Soundcore Boom 2 Plus

The JBL Xtreme 4 is the lighter choice. A rugged 4.6 lbs (2.1 kg) portable with IP67 protection, a replaceable battery, USB-C power-bank output, Auracast, stereo pairing and a useful 5-band app EQ. At 4.6 lbs (2.1 kg) it weighs much less than the Soundcore Boom 2 Plus at 8.4 lbs (3.8 kg). Watch for: It cannot produce the deep rumble of a larger speaker, and bass compression increases near maximum volume.

The Soundcore Boom 2 Plus is the louder choice. Quite a bit lighter than most of the other boombox size speakers. Alan Ross Reviews measured it at 111dB at full volume, against 106dB for the JBL Xtreme 4. It supports AAC Bluetooth, which the JBL Xtreme 4 lacks. It keeps a wired aux input, which the JBL Xtreme 4 lacks. Watch for: Warm tuning meaning a rolled off treble and some upper bass boost.

Buy the JBL Xtreme 4 at $309.95 for a large speaker, or the Soundcore Boom 2 Plus at $179.99 for a boombox speaker instead.

Want more options? Browse the full Portable Bluetooth rankings.

Check JBL Xtreme 4 price at Amazon ($309.95) →Check Soundcore Boom 2 Plus price at Amazon ($179.99) →

Specifications Side By Side

JBL Xtreme 4 Soundcore Boom 2 Plus
Price$309.95$179.99
Ranked#44 of 105 in Large Size Portable Bluetooth Speakers#37 of 99 in Boombox Size Portable Bluetooth Speakers
AppYesYes
Aux InputNoYes
Battery Life24 hours (Manufacturer specified)20 hours (Manufacturer specified)
EQYes (5 band)Yes (Pro EQ + presets)
IP RatingIP67IPX7
Bluetooth Latency220ms-
Maximum SPL106dB (measured by Alan Ross Reviews)111dB (measured by Alan Ross Reviews)
Party ModeYes (Auracast)Yes (PartyCast 2.0)
Power BankYes (USB-C)Yes (USB-C, 5V/2A)
Power InputUSB-CUSB-C
Removable BatteryYes-
TWSYesYes
Weight4.6 lbs (2.1 kg)8.4 lbs (3.8 kg)
BluetoothYesYes
Bluetooth CodecsSBCSBC, AAC
Built-in MicrophoneYesYes
StereoYesYes
OmnidirectionalNoNo
Bluetooth Version5.35.3
Dimensions11.7” x 5.9” x 5.6” (297 x 149 x 141 mm)17.3” x 9.1” x 5.9” (440 x 230 x 150 mm)
Drivers2x 70mm woofers, 2x 19mm tweeters + 2x passive radiators2x 114mm (4.5”) woofers + 2x 19mm (0.75”) tweeters
Frequency Response44Hz - 20kHz (Manufacturer specified)-
Amplifier Power100W140W
Digital Aux InputNoNo
StrapYes (detachable shoulder strap)Yes (detachable strap)
Bass Extension (-10dB)-39Hz
MicroSD Playback-No
USB Playback-No
Lights-Yes
Check JBL Xtreme 4 price at Amazon ($309.95) →Check Soundcore Boom 2 Plus price at Amazon ($179.99) →

More worthwhile head-to-heads for Soundcore Boom 2 Plus:

Prices on this page were last checked October 14, 2026 at 2:38 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

JBL Xtreme 4: $309.95 Amazon $309.95 B&H Photo Video $309.95 eBay

JBL Xtreme 4 ranking card

Newer model: the JBL Xtreme 5, ranked higher, rated 4.6/5, released Apr 2026. It adds USB audio input, AAC and LC3, but drops the built-in mic. Water resistance goes from IP67 to IP68.

Older models: the JBL Xtreme 3 (ranked higher, rated 4.3/5), the JBL Xtreme 2 (ranked lower, rated 3.4/5) and the JBL Xtreme (ranked lower, rated 3.2/5). See every JBL Xtreme generation.

Pros: A rugged 2.1kg portable with IP67 protection, a replaceable battery, USB-C power-bank output, Auracast, stereo pairing and a useful 5-band app EQ. Independent reviews find the midrange detailed and the sound clear, punchy and refined for outdoor use; it also reaches a strong 106dB maximum level and has excellent real-world battery life.

Cons: It cannot produce the deep rumble of a larger speaker, and bass compression increases near maximum volume. The front-facing layout has only modest off-axis consistency, Bluetooth latency is high for video, and the default balance benefits from EQ adjustment. There is no aux input, so wired sources are not supported. Out of the box it leans bass-boosted, with a dip between the upper bass and midrange that EQ cannot fix, and it pushes the upper mids and treble at high volume. It is also expensive.

Full JBL Xtreme 4 review and specifications →

ReleasedMar 2024 (2 years ago)
Amplifier Power100W
AppYes
Aux InputNo
Battery Life24 hours (Manufacturer specified)
BluetoothYes
Bluetooth CodecsSBC
Bluetooth Latency220ms
Bluetooth Version5.3
Built-in MicrophoneYes
Digital Aux InputNo
Dimensions11.7” x 5.9” x 5.6” (297 x 149 x 141 mm)
Drivers2x 70mm woofers, 2x 19mm tweeters + 2x passive radiators
EQYes (5 band)
Frequency Response44Hz - 20kHz (Manufacturer specified)
IP RatingIP67
Maximum SPL106dB (measured by Alan Ross Reviews)
OmnidirectionalNo
Party ModeYes (Auracast)
Power BankYes (USB-C)
Power InputUSB-C
Removable BatteryYes
StereoYes
StrapYes (detachable shoulder strap)
TWSYes
Weight4.6 lbs (2.1 kg)
Check current price at Amazon ($309.95) →Check current price at B&H Photo Video ($309.95) →Search eBay for JBL Xtreme 4 →

Soundcore Boom 2 Plus: $179.99 Amazon $179.99 Lowest Soundcore $249.99 eBay

Soundcore Boom 2 Plus ranking card

Older model: the Soundcore Motion Boom+ (ranked lower, rated 2.9/5). See every Soundcore Boom generation.

Same family: the Soundcore Boom 2 (smaller model, rated 4.5/5).

Pros: Quite a bit lighter than most of the other boombox size speakers. This speaker will likely move up as we get a good EQ tune that makes it a lot more neutral. Measured bass extension of 39Hz (-10dB).

Cons: Warm tuning meaning a rolled off treble and some upper bass boost. Reasonably deep bass, but not as good as the top ranked.

Full Soundcore Boom 2 Plus review and specifications →

ReleasedMay 2024 (2 years ago)
Amplifier Power140W
AppYes
Aux InputYes
Bass Extension (-10dB)39Hz
Battery Life20 hours (Manufacturer specified)
BluetoothYes
Bluetooth CodecsSBC, AAC
Bluetooth Version5.3
Built-in MicrophoneYes
Digital Aux InputNo
Dimensions17.3” x 9.1” x 5.9” (440 x 230 x 150 mm)
Drivers2x 114mm (4.5”) woofers + 2x 19mm (0.75”) tweeters
EQYes (Pro EQ + presets)
IP RatingIPX7
LightsYes
Maximum SPL111dB (measured by Alan Ross Reviews)
MicroSD PlaybackNo
OmnidirectionalNo
Party ModeYes (PartyCast 2.0)
Power BankYes (USB-C, 5V/2A)
Power InputUSB-C
StereoYes
StrapYes (detachable strap)
TWSYes
USB PlaybackNo
Weight8.4 lbs (3.8 kg)
Check current price at Amazon ($179.99) →Check current price at Soundcore ($249.99) →Search eBay for Soundcore Boom 2 Plus →