Soundcore Boom 2 by Anker

What the wattage and battery numbers mean

Soundcore headlines 80W, but its own FAQ says the speaker runs at 60W standard and reaches 80W only when BassUp 2.0 is switched on. The driver split explains the figure: one 50W racetrack subwoofer plus two 15W tweeters, a 2.1 arrangement. The 24-hour playtime figure is measured at 50% volume with BassUp and the light effects turned off. Because BassUp 2.0 is exactly what unlocks 80W, a buyer who wants the advertised wattage is giving up the advertised runtime, and running the RGB lights costs battery as well. A 5W power-bank output is a phone top-up, not a real charging station.

Bluetooth versions and pairing two units

This is the one unresolved technical point worth flagging. The current product page states Bluetooth 6.0 with SBC and MPEG-2 AAC LC, while Soundcore’s own refurbished listing for the same product name states Bluetooth 5.3 with SBC only. The codec line on the current page is worded for the Boom 2 Plus, which suggests carried-over copy. The most coherent reading is that the Auracast-generation unit is the newer hardware and the refurbished stock is the earlier PartyCast generation, but that is inference, not a Soundcore statement, so verify the unit in hand if you need AAC.

Pairing two units is generation-dependent. Soundcore’s FAQ says only the new version supports TWS, and that speakers from different versions cannot pair. One storefront reviewer who bought a second unit reports difficulty connecting the pair, which the version rule likely explains. The refurbished listing documents the procedure: long-press Bluetooth on both units until the indicator flashes white, after which the main unit lights blue for the left channel and the secondary white for the right.

Water resistance and outdoor use

IPX7 is combined with genuine floatability, which is what separates this speaker from most of its size class. Soundcore sells it for pool, beach and rain use, but attaches one condition: seal the waterproof cover tightly before submerging. That step is easy to skip and is the difference between a floatable speaker and a water-damage claim.

Sound, app and support

No independent instrumented test and no owner forum thread were obtained, so there is no measured frequency response, maximum volume or runtime beyond Soundcore’s own figures. What is available is Soundcore’s own guidance: keep the unit away from walls and corners, use FLAC or WAV sources, enable BassUp 2.0, and contact support if you are still unsatisfied, because Soundcore says its acoustic engineers can customize the EQ for a specific Boom 2. The app offers a customizable pro EQ.

Repeated themes in the storefront reviews are bass and volume for the size, portability and ease of use, plus a single report of a rubber part falling off after four years that the owner blamed on neglect. A storefront widget with no negative ratings at all comes from a returns population and should not be read as proof that defects do not occur.

Is it worth it?

Buy it on sale. At the sale price the published specification set is dense for the money, and the manufacturer’s own money-back and price-match policies reduce the risk of buying without independent test coverage. At list price the value is much weaker, especially because Soundcore’s own collection places larger models close by. There is no ongoing cost beyond charging time and eventual battery degradation.

Which model this is

This page covers the Soundcore Boom 2, model code A3138. The brand is now styled Anker soundcore. Two hardware generations share the product name: an earlier PartyCast generation and a newer Auracast generation, and they do not pair with each other. The US Amazon listing for this model is ASIN B0CQ55VQH8.

The manufacturer does not publish the speaker’s physical dimensions on any page read, so treat any dimension a retailer gives with caution. No warranty term for a new unit could be established from the sources read; only the refurbished units carry a stated short warranty.

Sources

Manufacturer:

• Soundcore Boom 2 product page
• Soundcore Bluetooth speakers collection
• Soundcore Boom 2 refurbished listing (A3138)
• Soundcore support: getting the best sound from the Boom 2
• Soundcore certified refurbished products

Independent reviews:

• No independent instrumented review of the Boom 2 was found during this check.

Owner reports:

• No independent owner forum thread was found; the owner comments cited come from Soundcore’s own storefront review widgets.