Description
The Anker Soundcore Boost, model A3145, is a mid size portable Bluetooth speaker with a genuinely useful thing in this catalog: a published specification sheet. Anker lists audio output, battery capacity, charge time, frequency range and distortion figures, which allows real comparison rather than adjective matching. The speaker is IPX7 rated, runs for a claimed 12 hours and adds Anker’s BassUp processing.
Buyers comparing portable speakers can look at the smaller Sony ULT Field 1, the larger JBL Charge 5, or the rugged Altec Lansing Super LifeJacket Jolt.
The Published Specifications
Anker states audio output at 10 watts per channel for 20 watts total, a battery capacity of 5200 mAh, a charge time of 4 hours, a Bluetooth range of 20 meters, a sound frequency range of 60 Hz to 40 kHz, and total harmonic distortion plus noise below 1 percent. Bluetooth is version 5.0. The specification block adds a 4 ohm impedance and a 62 millimeter woofer diameter.
Several of those deserve comment. The 60 Hz lower limit is honest: a speaker this size cannot produce deep bass, and Anker publishes the real figure rather than claiming 20 Hz. The 40 kHz upper limit is a driver capability figure well beyond human hearing and is a marketing number in practical terms, though it does indicate the titanium drivers Anker fits are capable rather than basic. Distortion below 1 percent is a reasonable figure for a portable speaker, and most competitors publish nothing at all.
BassUp is described as proprietary technology that intensifies bass in real time. In practice that is dynamic processing that lifts the low end, and because the driver cannot extend below 60 Hz it is emphasizing what is there rather than adding depth.
Water Resistance And Durability
IPX7 means protection against immersion in one meter of water for up to 30 minutes, and Anker states the speaker is fully waterproof enough to withstand complete submersion. That is a stronger rating than the IPX6 found on many competitors, which covers jets but not immersion.
The X in IPX7 means dust protection was not rated, so beach and desert use carries some risk of grit ingress even though water is handled. Anker does not state whether the speaker floats, and at 1.29 pounds in a 7.5 by 2.4 by 2.6 inch body, buyers should not assume it does.
Battery, Charging And The Missing AUX Port
The 5200 mAh battery supports a claimed 12 hours of playtime and charges in 4 hours over USB-C. Charging over USB-C rather than micro USB matters on a product first listed in 2017, since it means the same cable used for a modern phone works here. The box contains a USB-A to USB-C cable, a quick start guide and the speaker.
The speaker can also charge other devices, which Anker frames as a convenience when a phone runs flat. There is an ambiguity in the listing about how: one bullet says to charge a phone via the USB-C port on the speaker, while the specification summary lists fast charging via the USB-C connection, which describes charging the speaker itself. Anyone relying on the power bank function should confirm which port outputs power.
The most important limitation is stated clearly by Anker and is easy to miss: this upgraded Soundcore Boost does not have an AUX port. There is no 3.5 mm input, so a wired source cannot be connected, and Bluetooth is the only way to play audio. Earlier versions of this speaker did have an analog input, so anyone replacing an older unit should note the change.
Pairing And Everyday Use
Bluetooth 5.0 handles the connection, with NFC tap pairing available for Android phones. Two Soundcore Boost speakers can be paired wirelessly for stereo, which doubles both the output and the cost. A built in microphone allows calls to be answered through the speaker.
The Soundcore app provides a customizable equalizer, which is a meaningful addition because it lets a listener correct the tuning rather than accepting the factory curve. That is more useful on a speaker with a documented frequency range, since the limits are known.
Highlights
- 10 watts per channel, 20 watts total, with titanium drivers.
- Frequency range published as 60 Hz to 40 kHz with THD plus noise under 1 percent.
- IPX7 rated for complete submersion per Anker.
- 5200 mAh battery with 12 hour playtime and 4 hour charge time.
- USB-C charging, with the ability to charge other devices.
- Bluetooth 5.0 with NFC pairing for Android and a 20 meter range.
- Wireless stereo pairing between two units.
- Soundcore app equalizer and a built in microphone for calls.
Things To Consider
The absence of an AUX input is the clearest functional limitation, and it rules out connecting a turntable, a mixer, a television or any source without Bluetooth. Bluetooth also introduces latency, so this is a poor choice for watching video from a connected device.
Some specification fields are wrong or oddly rendered. Speaker Type reads Subwoofer on a full range portable speaker. Speaker Size reads 19.3 centimeters, which is the length of the body rather than a driver size, while Woofer Diameter separately and correctly reads 62 millimeters. Signal to Noise Ratio reads 8E+1 dB, which is 80 dB rendered in scientific notation. Mounting Type reads Tabletop Mount.
Age is worth noting. Anker first listed this speaker in February 2017 and it is not discontinued, so it has been on sale for a long time. In portable audio that is less of a problem than in computing, and the USB-C charging keeps it current, but newer models offer higher Bluetooth versions and more recent codecs.
The customer feedback here is the strongest in this entire catalog: 4.6 stars across 33,389 ratings. A sample that large with an average that high is meaningful evidence in a way that a specification sheet is not, and it is the single best reason to trust this product. Readers can compare alternatives in the portable Bluetooth speakers category or look at desk options in the computer speakers category.
Who It Suits
The Soundcore Boost suits someone who wants a portable speaker with documented specifications, listens over Bluetooth from a phone, takes the speaker into showers, poolsides and outdoor spaces, and values an app equalizer to tune the sound. The very large body of positive feedback makes it a low risk purchase.
It is the wrong speaker for anyone who needs a wired input, for watching video where Bluetooth latency matters, for filling a large outdoor space where a bigger speaker would be needed, and for listeners who want deep bass below 60 Hz, which Anker honestly states this speaker does not reproduce.
