Sonos Roam 2 vs Ultimate Ears Wonderboom 4

Last updated: August 20, 2026

Short answer: the Sonos Roam 2 for better sound quality, the Ultimate Ears Wonderboom 4 for the lower price. The Sonos Roam 2 ranks #71 of 136 medium speakers at $177. The Ultimate Ears Wonderboom 4 ranks #84 at $59.99, $117.01 cheaper.

On the Sonos Roam 2 side: Very neutral. Additional button for pairing instead of being shared with power button. Watch for: Exact same sound quality as the original Roam.

What the Ultimate Ears Wonderboom 4 gets right: Small size. The tradeoff: Bass isn’t as deep as the top-ranked speakers and is a little thuddy.

Buy the Sonos Roam 2 if sound quality matters more than the price. Buy the Ultimate Ears Wonderboom 4 if the price matters more than sound quality.

Sonos Roam 2 vs Ultimate Ears Wonderboom 4

Specifications Side By Side

Sonos Roam 2 Ultimate Ears Wonderboom 4
Price$177.00$59.99
Ranked#71 of 136 in Medium Size Portable Bluetooth Speakers#84 of 136 in Medium Size Portable Bluetooth Speakers
Bass Extension (-10dB)63Hz-
Battery Life10 hours (Manufacturer specified)14 hours (Manufacturer specified)
StereoNoNo
OmnidirectionalNoYes
Weight0.9 lbs / 429 g0.9 lbs / 420 g
WifiYes-
Bluetooth Version5.25.2
Dimensions2.4" x 6.6" x 2.4" (62 x 168 x 60 mm)4.1" x 3.8" (104 x 95.3 mm)
AppSonos S2 AppNo
Bluetooth CodecsSBC, AAC-
Built in MicrophoneYesNo
EQYes (via app, limited in Bluetooth mode)No
Drivers1x ~45mm racetrack mid-woofer + 1x tweeter + 2x passive radiators2x 40mm active drivers + 2x passive radiators (46.1 x 65.2mm)
IP RatingIPX5IP67
Max Volume95dB87dB
Digital Aux InputNoNo
Bluetooth Latency--
Power Input-USB-C
TWS-Yes
Party Mode-No
Power Bank-No
Aux Input-No

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

The Two Speakers In Full

Sonos Roam 2: $177.00 Amazon

Sonos Roam 2 ranking card

Pros: Very neutral. Additional button for pairing instead of being shared with power button

Cons: Exact same sound quality as the original Roam. Bass extension isn’t very good. Not stereo. Gets distorted as you turn up the bass.

AppSonos S2 App
Bass Extension (-10dB)63Hz
Battery Life10 hours (Manufacturer specified)
Bluetooth CodecsSBC, AAC
Bluetooth Version5.2
Built in MicrophoneYes
Digital Aux InputNo
Dimensions2.4" x 6.6" x 2.4" (62 x 168 x 60 mm)
Drivers1x ~45mm racetrack mid-woofer + 1x tweeter + 2x passive radiators
EQYes (via app, limited in Bluetooth mode)
IP RatingIPX5
Max Volume95dB
OmnidirectionalNo
StereoNo
Weight0.9 lbs / 429 g
WifiYes

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Ultimate Ears Wonderboom 4: $59.99 Amazon

Ultimate Ears Wonderboom 4 ranking card

Pros: Small size.

Cons: Bass isn’t as deep as the top-ranked speakers and is a little thuddy. Not much improvement over the previous Ultimate Ears Wonderboom 3 besides the USB-C charging port.

AppNo
Aux InputNo
Bass Extension (-10dB)
Battery Life14 hours (Manufacturer specified)
Bluetooth Latency
Bluetooth Version5.2
Built in MicrophoneNo
Digital Aux InputNo
Dimensions4.1" x 3.8" (104 x 95.3 mm)
Drivers2x 40mm active drivers + 2x passive radiators (46.1 x 65.2mm)
EQNo
IP RatingIP67
Max Volume87dB
OmnidirectionalYes
Party ModeNo
Power BankNo
Power InputUSB-C
StereoNo
TWSYes
Weight0.9 lbs / 420 g

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