Product Overview
The Soundcore 2 is a compact portable Bluetooth speaker manufactured by Anker Innovations. Model A3105 uses two full-range drivers to produce stereo audio and includes a passive radiator system designed to reinforce lower frequencies. Its enclosure carries an IPX7 waterproof rating, allowing the speaker to withstand temporary water exposure under the conditions defined by that rating.
The speaker contains a rechargeable lithium-ion battery and supports up to 24 hours of playback under specified operating conditions. Playback time varies with volume level, audio content, connection conditions, battery age, and other factors. Charging is performed through the speaker’s Micro-USB connection on the documented A3105 version.
Soundcore 2 connects wirelessly to compatible Bluetooth audio sources such as smartphones, tablets, and computers. It can also pair with another compatible Soundcore 2 speaker using True Wireless Stereo functionality. Integrated controls provide access to playback, volume, Bluetooth pairing, phone-call functions, and supported voice-assistant commands.
Product Information
| Field | Value |
|---|---|
| Brand | soundcore by Anker |
| Manufacturer | Anker Innovations |
| Category | Portable Bluetooth Speaker |
| Series | Soundcore |
| Model | A3105 |
| MPN | A3105 |
| UPC | 848061063943 |
| ASIN | B01MTB55WH |
| Color | Black |
| Dimensions | 168 × 47 × 56 mm (6.6 × 1.9 × 2.2 in) |
| Weight | 414 g (14.6 oz) |
Product Identifier Summary
- Model Number: A3105 identifies the hardware model and is useful when locating instructions, troubleshooting information, accessories, and technical support.
- MPN: A manufacturer part number distinguishes a specific product or hardware configuration in manufacturer, distributor, and inventory systems.
- UPC: A Universal Product Code identifies a retail product configuration and is commonly used for inventory, cataloging, and barcode scanning.
- EAN: A European Article Number is another standardized retail product identifier. An independently verified EAN is not included for this configuration.
- GTIN: Global Trade Item Number is the broader identification system that includes formats such as UPC and EAN.
- ASIN: This catalog identifier distinguishes the referenced product configuration within the catalog system where the identifier originated.
Common Uses
The Soundcore 2 is designed for portable wireless audio playback. Typical uses include listening to music, podcasts, audiobooks, and other audio from Bluetooth-enabled devices.
- Audio playback in bedrooms, offices, kitchens, and other indoor spaces
- Portable audio during travel or recreational activities
- Outdoor listening where exposure to water or weather may occur
- Audio playback from smartphones, tablets, and compatible computers
- Speakerphone use with compatible mobile devices
- Two-speaker stereo playback using compatible Soundcore 2 units
Maintenance and Care
Keep the charging-port cover properly closed when the speaker may be exposed to water. Water resistance can be compromised when a protective port cover is not secured correctly.
After exposure to water, remove surface moisture and allow the speaker and its ports to dry before charging. Avoid inserting objects into the speaker grille, charging connector, or other openings.
Store the speaker in a dry environment away from excessive heat. Rechargeable batteries should not be left for extended periods in extremely hot or cold conditions.
Safety Information
- The A3105 speaker carries an IPX7 waterproof rating.
- Do not charge the speaker while its charging connector or surrounding area is wet.
- Keep the product away from excessive heat, open flames, and conditions that could damage its rechargeable battery.
- Use an appropriate 5 V DC power source that meets the documented charging requirements.
- The product contains a rechargeable battery and should be handled and disposed of according to applicable electronic-waste and battery regulations.
- Water resistance does not mean the product is designed for unrestricted or permanent underwater operation.
Technical Specifications
| Specification | Value |
|---|---|
| Speaker Type | Portable wireless speaker |
| Audio Configuration | Stereo |
| Audio Output | 12 W total |
| Full-Range Drivers | Two 1.5-inch drivers |
| Frequency Response | 70 Hz–20 kHz |
| Wireless Connection | Bluetooth |
| Wireless Range | Up to 20 m (66 ft) under suitable conditions |
| Waterproof Rating | IPX7 |
| Battery Type | Rechargeable lithium-ion |
| Battery Capacity | 5,200 mAh |
| Rated Playback Time | Up to 24 hours; varies with volume and audio content |
| Charging Time | Approximately 3 hours |
| Charging Input | 5 V DC, 2 A |
| Charging Connector | Micro-USB |
| True Wireless Stereo | Supported with two compatible Soundcore 2 speakers |
| Built-In Microphone | Yes |
| Speakerphone Function | Supported |
Product History
The Soundcore 2 is part of Anker Innovations’ portable wireless-speaker product family. Official support documentation identifies A3105 as the Soundcore 2 hardware model.
Soundcore 3 was introduced later within the portable-speaker family. It differs from Soundcore 2 in driver construction, rated output, charging connection, and multi-speaker technology, so the two models should not be treated as identical hardware.
Key Features
- Portable stereo Bluetooth audio
- Two full-range speaker drivers
- Passive radiator for additional low-frequency output
- IPX7-rated waterproof enclosure
- Rechargeable internal battery
- Physical playback and volume controls
- Built-in microphone for supported call functions
- True Wireless Stereo pairing between two compatible units
- Voice-assistant activation with supported connected devices
Package Contents
- Soundcore 2 portable Bluetooth speaker
- Micro-USB charging cable
- User documentation
Compatibility
The Soundcore 2 works with devices capable of sending audio through a compatible Bluetooth connection. These may include smartphones, tablets, notebook computers, desktop computers with Bluetooth capability, and other Bluetooth audio sources.
Some functions depend on the connected device and operating system. Call controls and voice-assistant commands require compatible phone or voice-assistant functionality.
True Wireless Stereo requires another compatible Soundcore 2 speaker. This feature should not be confused with newer Soundcore multi-speaker systems that use different pairing technologies.
Frequently Asked Questions
How can I identify a Soundcore 2 A3105?
Check the product label for model number A3105. The model number is more reliable for technical support and manual identification than relying only on the product’s appearance.
Can the Soundcore 2 connect to a smartphone?
Yes. A compatible smartphone can transmit audio to the speaker through Bluetooth after the devices have been paired.
Can it connect to a laptop or tablet?
Yes, provided the computer or tablet supports a compatible Bluetooth audio profile. Connection procedures vary by operating system.
Can two Soundcore 2 speakers operate together?
Compatible Soundcore 2 units support True Wireless Stereo pairing. This allows two speakers to operate together as a paired audio system.
How is the speaker charged?
The documented A3105 version charges through Micro-USB. The charging connector should be dry before a charging cable is attached.
Can the speaker be used near water?
The enclosure carries an IPX7 rating. The charging-port cover should remain closed during water exposure, and the speaker should be dried before charging.
Does the Soundcore 2 have a microphone?
Yes. The integrated microphone supports compatible phone-call functions when the speaker is connected to an appropriate mobile device.
How can the speaker be reset?
Soundcore documentation provides a hardware reset procedure using the speaker’s physical controls. A reset may be useful when troubleshooting pairing or operating problems.
Does battery runtime remain constant?
No. Actual runtime depends on factors including playback volume, audio content, wireless conditions, temperature, battery condition, and usage patterns.
Is the Soundcore 2 the same as the Soundcore 3?
No. They are separate models with differences in their acoustic hardware, connectivity features, charging systems, and multi-speaker capabilities.
Buying Considerations
Model identification is important because the Soundcore 2 has existed alongside later Soundcore portable speakers with different hardware. Users comparing accessories, manuals, or charging requirements should confirm that information applies specifically to A3105.
The speaker uses Micro-USB charging rather than the USB-C connection found on many newer portable audio products. Its compact driver system is designed primarily for portable listening rather than the output levels or deep bass extension associated with substantially larger speakers.
IPX7 protection addresses water exposure but does not provide a separate certified rating for dust resistance. Wireless performance and battery duration can also vary according to environmental and operating conditions.
Customer Feedback Summary
This section summarizes recurring themes in publicly available customer feedback and independent product discussions. These observations are generalized user reports and are not verified technical specifications.
Commonly reported positive themes include the speaker’s compact size, straightforward Bluetooth pairing, long operating time between charges, and durability during routine portable use. Users also frequently describe the audio as clear for a speaker of this physical size.
Reported limitations generally relate to the constraints of a compact speaker. Low-frequency extension may be limited compared with larger speakers, and maximum output may not be sufficient for large or noisy spaces. Some users also regard the Micro-USB charging connection as less convenient than the USB-C connectors used by newer devices.
Related Products
- Soundcore 3 — later portable speaker model with revised drivers and connectivity features
- Soundcore Mini — smaller portable speaker within the Soundcore range
- Soundcore Boost — larger portable speaker designed for increased audio output
- Soundcore Select series — portable Bluetooth speakers offered in related size and performance categories
Last Updated
August 17, 2026
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