Soundcore Boost “original model” pre-2021 vs Sony ULT Field 3

Last updated: October 12, 2026

Short answer: the Sony ULT Field 3, if you are buying new. The Soundcore Boost “original model” pre-2021 ranks higher than it (#14 vs #75 of 175 medium speakers, 4.2/5 vs 3.4/5) but is discontinued, so only consider it used; the Sony ULT Field 3 is still sold new at $208.

Soundcore Boost “original model” pre-2021 vs Sony ULT Field 3

The Soundcore Boost “original model” pre-2021 is the better-sounding, lighter pick. At 1.3 lbs (590 g), Soundcore Boost “original model” pre-2021 combines 1.75” x 2 active drivers + passive radiator with Bluetooth and aux. At 1.3 lbs (590 g) it weighs much less than the Sony ULT Field 3 at 2.6 lbs (1.2 kg). It keeps a wired aux input, which the Sony ULT Field 3 lacks. The tradeoff: Careful placement is still important for balanced bass.

The Sony ULT Field 3 is the longer-running, tougher choice. IP67 rated, dustproof and water resistant. It is rated for 24 hours of battery against 12 for the Soundcore Boost “original model” pre-2021. It is rated IP67 against IPX5 for the Soundcore Boost “original model” pre-2021. It supports LDAC Bluetooth, which the Soundcore Boost “original model” pre-2021 lacks. The tradeoff: Sounds a bit hollow, a bit boosted in the treble.

Buy the Sony ULT Field 3, since the Soundcore Boost “original model” pre-2021 is discontinued and only worth hunting down used.

Looking for alternatives? See the complete Portable Bluetooth rankings.

Specifications Side By Side

Soundcore Boost “original model” pre-2021 Sony ULT Field 3
Price$60 Discontinued$208.00
Ranked#14 of 175 in Medium Size Portable Bluetooth Speakers#75 of 175 in Medium Size Portable Bluetooth Speakers
AppYesYes
Aux InputYesNo
Battery Life12 hours (Manufacturer specified)24 hours (Manufacturer specified)
Built-in MicrophoneYesYes
EQYesYes (App + ULT button)
IP RatingIPX5IP67
Power BankNoYes (USB-C, 5V/1.5A)
Power InputMicro USBUSB-C
StereoYesYes
OmnidirectionalNoNo
TWSNoYes
Weight1.3 lbs (590 g)2.6 lbs (1.2 kg)
BluetoothYesYes
Bluetooth CodecsSBCSBC, AAC, LDAC
Bluetooth Version4.25.2
Drivers1.75” x 2 active drivers + passive radiator1x 20mm tweeter + 1x 86mm x 46mm woofer
Amplifier Power20W (10W × 2)27W
Digital Aux InputNoNo
Dimensions8”H x 2.8”W x 2.7”D (203 x 71 x 69 mm)10.1” x 4.4” x 3.1” (256 x 113 x 79 mm)
Party Mode-Yes (Party Connect up to 100 speakers)
Strap-Yes (detachable shoulder strap)

More top alternatives to Soundcore Boost “original model” pre-2021:

Prices on this page were last checked October 12, 2026 at 4:13 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 Boost “original model” pre-2021: $60 Discontinued eBay

Soundcore Boost “original model” pre-2021 ranking card

Newer model: the Soundcore Boost “upgraded” 2021, ranked higher, rated 4.4/5, released Jul 2021 (also discontinued). It adds power bank charging and stereo pairing, but drops the aux input. Water resistance goes from IPX5 to IPX7. See every Soundcore Boost generation.

Pros: At 590 g, Soundcore Boost “original model” pre-2021 combines 1.75” x 2 active drivers + passive radiator with Bluetooth and aux. Claimed 12 hours (manufacturer specified) battery life, ipx5 protection and stereo playback make its feature set practical for its intended room or portable use. A great sounding, neutral speaker.

Cons: Careful placement is still important for balanced bass. This old version charges over micro-USB. Discontinued.

ReleasedJun 2017 (9 years ago)
Amplifier Power20W (10W × 2)
AppYes
Aux InputYes
Battery Life12 hours (Manufacturer specified)
BluetoothYes
Bluetooth CodecsSBC
Bluetooth Version4.2
Built-in MicrophoneYes
Digital Aux InputNo
Dimensions8”H x 2.8”W x 2.7”D (203 x 71 x 69 mm)
Drivers1.75” x 2 active drivers + passive radiator
EQYes
IP RatingIPX5
OmnidirectionalNo
Power BankNo
Power InputMicro USB
StereoYes
TWSNo
Weight1.3 lbs (590 g)

Sony ULT Field 3: $208.00 Amazon $208.00 eBay

Sony ULT Field 3 ranking card

Older models: the Sony XB33 (ranked lower, rated 3.4/5), the Sony SRS-XE300 (ranked lower, rated 2.8/5), the Sony SRS-XB31 (ranked lower, rated 2.8/5) and the Sony SRS-XB30 (ranked lower, rated 2.6/5). See every Sony XB and ULT generation.

Same family: the Sony ULT Field 1 (smaller model, ranked lower, rated 3.1/5), the Sony ULT Field 7 (smaller model, rated 3.2/5), the Sony ULT Tower 10 (smaller model, rated 3.9/5), the Sony ULT Field 5 (larger model, rated 3.5/5), the Sony ULT Tower 5 (larger model, rated 4.5/5), the Sony ULT Tower 7 (larger model, rated 4.7/5), the Sony ULT Tower 9 (larger model, rated 4.2/5) and the Sony ULT Tower Max (larger model, rated 4.8/5).

Pros: IP67 rated, dustproof and water resistant. 24 hour battery life. App with 10-band EQ. Party Connect with up to 100 speakers. USB-C in/out for charging your phone.

Cons: Sounds a bit hollow, a bit boosted in the treble. Custom EQ and the ULT bass-boost button can’t be used together: turning on ULT disables the EQ. Bass is very weak with ULT off. Lost to the JBL Charge 6 in a side-by-side comparison despite being the larger speaker.

ReleasedApr 2025 (1 year ago)
Amplifier Power27W
AppYes
Aux InputNo
Battery Life24 hours (Manufacturer specified)
BluetoothYes
Bluetooth CodecsSBC, AAC, LDAC
Bluetooth Version5.2
Built-in MicrophoneYes
Digital Aux InputNo
Dimensions10.1” x 4.4” x 3.1” (256 x 113 x 79 mm)
Drivers1x 20mm tweeter + 1x 86mm x 46mm woofer
EQYes (App + ULT button)
IP RatingIP67
OmnidirectionalNo
Party ModeYes (Party Connect up to 100 speakers)
Power BankYes (USB-C, 5V/1.5A)
Power InputUSB-C
StereoYes
StrapYes (detachable shoulder strap)
TWSYes
Weight2.6 lbs (1.2 kg)