Sharp GX-BT280(RD) Stereo Bluetooth Speaker - immersive sound - powerful bass - highly dynamic sound range/ 12 h playtime - rechargeable battery/splash-dustproof /Call Answering (Google & Siri) - Red
Sharp (4974019103860 / GX-BT280(RD)) - 3.5 mm connector - Bluetooth - Built-in microphone - LED indicators - On/off switch - USB connectivity - Battery capacity: 2800 mAh - Lithium-Ion (Li-Ion) - Built-in battery
Stores where to buy this product
Similar products
Sharp GX-BT280(RD) Stereo Bluetooth Speaker
The Sharp GX‑BT280(RD) is a compact yet powerful portable speaker that delivers an immersive audio experience with dynamic sound range and deep bass. Designed for everyday use, it combines wireless connectivity, robust build quality, and intelligent features such as call answering via Google Assistant or Siri.
Key Specifications
- Power Output: 20 W RMS (two 10 W drivers) for clear highs and punchy lows.
- Frequency Response: 150 Hz – 20 kHz, covering the full audible spectrum.
- Bluetooth Version: 4.2, ensuring stable pairing with Android and iOS devices.
- Battery Capacity: 2800 mAh Li‑Ion, providing up to 12 hours of continuous playtime.
- Charging Method: Micro‑USB port for convenient recharging.
- Dimensions: Height 186 mm, Width 67 mm, Depth 67 mm; weight 440 g.
- IP Rating: IP56 – splash and dust resistant, suitable for outdoor adventures.
- Connectivity: Dual‑mode (Bluetooth + wired via 3.5 mm AUX).
- Controls: Physical volume buttons, on/off switch, LED indicators.
- Built‑in Microphone: Enables hands‑free calling and voice assistant activation.
Audio Performance
The speaker’s two drivers work in tandem to produce a balanced soundstage. The low frequencies are amplified by the 20 W RMS power, delivering deep bass that feels as much as it sounds. Midrange clarity is maintained through precise driver tuning, while high frequencies remain crisp without distortion. Whether you’re listening to podcasts, streaming music, or watching videos, the GX‑BT280 delivers a dynamic sound range that adapts to any genre.
Battery Life and Charging
The 2800 mAh Li‑Ion battery is engineered for endurance. With a typical listening session of 12 hours, you can enjoy uninterrupted playback from morning workouts to evening gatherings. The Micro‑USB charging port allows quick recharging; a full charge typically takes around 2–3 hours, after which the speaker is ready for the next adventure.
Durability and Portability
The IP56 rating guarantees protection against dust ingress and splashes from any direction. This makes the GX‑BT280 ideal for beach trips, picnics, or indoor use where accidental spills might occur. Its cylindrical design not only looks sleek but also enhances portability; a built‑in handle allows you to carry it effortlessly.
Smart Features
The integrated microphone supports call answering via Google Assistant and Siri. Simply say “Hey Google” or “Hey Siri” followed by the desired command, and the speaker will respond. This hands‑free capability is perfect for multitasking while keeping your audio experience uninterrupted.
Connectivity Options
While Bluetooth 4.2 offers wireless freedom, the 3.5 mm AUX input provides a reliable wired connection when battery power is low or when you need a guaranteed link to legacy devices. The Micro‑USB port serves dual purposes: charging and firmware updates if needed.
Power Consumption
The speaker consumes 10 W during active playback, but its standby consumption drops dramatically to just 0.001 W, ensuring minimal energy waste when not in use. This efficient power management extends battery life and reduces environmental impact.
Compatibility
Compatible with a wide range of mobile operating systems including Android and iOS, the GX‑BT280 can be paired with any Bluetooth-enabled device. Its universal design means it works seamlessly with smartphones, tablets, laptops, and even gaming consoles that support audio output.
Physical Design
The speaker’s cylindrical shape measures 186 mm in height and 67 mm in width and depth, making it compact enough to fit into a backpack or tote. The weight of 440 g strikes a balance between portability and stability, ensuring the device remains steady on surfaces while still being easy to carry.
LED Indicators
LED lights provide visual feedback for power status, battery level, and Bluetooth connectivity. These indicators help users quickly assess the speaker’s state without needing to access a mobile app.
Environmental Certifications
The GX‑BT280 meets CE (EMC), CB (Safety), and ErP (Energy) certifications, confirming compliance with European safety and energy efficiency standards. This ensures reliable performance across various climates and usage scenarios.
Conclusion
The Sharp GX‑BT280(RD) is a feature-rich portable speaker that blends powerful audio output, long battery life, rugged construction, and smart connectivity into one sleek package. Whether you’re at home, outdoors, or on the move, this speaker delivers an engaging listening experience while staying resilient against everyday challenges.
| This product in Comparor | |
|---|---|
|
Category
This product is cataloged in our store in these categories
|
- Speakers |
|
International
Find this product in one of our international stores
|
 68.04 EUR  |
| Colors
Predominant colors of the product |
|
| Identifiers | |
| Brand |  Sharp is a brand that produces electronics, appliances, and services. Some of their well-known products include televisions, air conditioners, and smartphones. Sharp is a subsidiary of Foxconn, a Taiwanese electronics manufacturer. |
| Model | Sharp GX-BT280(RD) |
| MPN | Sharp GX-BT280(RD) |
| ID | 10529457 |
| Dimensions / Weight | |
| Key Features | |
|
3.5 mm connector Indicates whether a product includes a standard 3.5 mm audio connector, the common analog jack used for headphones, microphones and other audio devices.
|
Yes |
|
Battery capacity The total amount of electrical energy a battery can store, expressed as a numeric value with an appropriate unit such as mAh or Ah. It indicates how long the device can operate between charges and allows users to compare power supplies across products.
|
2800 mAh |
|
Battery technology The chemical composition or classification of a battery, such as lithium‑ion, lithium‑polymer, nickel‑metal hydride, sealed lead acid, alkaline, zinc‑air, etc. It indicates the type of electrochemical reaction that stores and delivers energy in the device.
|
Lithium-Ion (Li-Ion) |
|
Battery type The chemical composition or classification of a battery, such as alkaline, lithium‑ion, NiMH, or lead‑acid. It indicates the energy storage technology used in the product and helps users identify compatibility with devices that require specific battery chemistries.
|
Built-in battery |
| Bluetooth | Yes |
|
Bluetooth version The specific version of the Bluetooth standard supported by the product, indicating its capabilities for wireless communication and compatibility with other devices. Values may be numeric (e.g., 4.2, 5.0) or include additional descriptors such as "+HS" or feature lists.
|
4.2 |
|
Built-in microphone Indicates whether the product includes at least one built‑in microphone. A value of "Yes" means that the device has an integrated microphone, while "No" indicates it does not.
|
Yes |
|
Cables included A list of the cable types that are supplied with the product, such as USB, HDMI, VGA, DisplayPort, LAN (RJ‑45), SATA, audio or other relevant connectors.
|
AUX,Micro-USB |
|
Card reader integrated Indicates whether the device includes a built‑in card reader that can read removable memory cards such as SD, microSD, MMC or similar formats.
|
No |
|
Certification A list of official certifications or compliance marks that the product has received from regulatory bodies, safety organizations, or industry standards groups. Each entry represents a distinct certification such as CE, FCC, RoHS, UL, or WEEE, and may include additional details like version numbers or specific test reports.
|
CE (EMC), CB (Safety), ErP (Energy) |
|
Connectivity technology The network and data interface technologies supported by the product, such as Wired, Wireless, USB, Bluetooth, or combinations thereof. Each value represents a distinct technology that can be used for communication or power delivery.
|
Wired & Wireless |
|
Depth The linear measurement of an object from front to back or top to bottom, expressed in a physical unit such as millimeters, centimeters, inches, etc. It indicates how deep the item is and can be used for fitting, compatibility, or spatial planning.
|
67 mm |
|
Design The visual style or aesthetic category of a product, such as "Digital signage flat panel", "Modern", "Retro", or "Sporty". It describes the overall look and feel that distinguishes the item from others in its class.
|
Cylinder |
|
FM Radio Indicates whether a product includes a built‑in radio receiver or transmitter capable of receiving or broadcasting FM radio signals without external accessories.
|
No |
|
Frequency Range The span of frequencies, expressed in hertz (Hz), that a device can operate within or respond to. It may be given as a single value, a numeric range (e.g., "20 000‑50 000 Hz"), or an open‑ended interval such as "2.4 GHz+" indicating the lower bound only.
|
150 - 20000 Hz |
|
Height The vertical dimension of a product measured from its lowest to highest point. It is expressed in a physical unit such as millimetres, centimetres or inches and applies to any item where height is relevant, including books, electronics, furniture and other objects.
|
186 mm |
|
LED indicators A list of the functions or statuses that an LED indicator on a device can display, such as power status, activity, link, and other operational signals.
|
Yes |
|
Mobile operating systems supported A list of mobile operating systems that the product supports, including specific versions and architectures when relevant. Each value represents a distinct OS that is compatible with the device.
|
Android,iOS |
|
Number of speakers The total count of individual speaker units included in the product. It indicates how many separate speakers are present, whether built‑in or external, and helps users compare audio capabilities across models.
|
2 |
|
On/off switch Indicates whether the product includes an on/off switch that allows the user to power it on or off manually.
|
Yes |
|
Package depth The linear measurement from front to back or top to bottom of a product’s packaging, expressed in a physical unit such as millimeters, centimeters, inches, etc. It indicates how deep the packaged item is and can be used for fitting, compatibility, or spatial planning.
|
105 mm |
|
Package Height The vertical dimension of a product’s packaging measured from its lowest to highest point. It is expressed in a physical unit such as millimetres, centimetres or inches and helps customers assess how tall the package will be when stored or shipped.
|
99 mm |
|
Package type The form of packaging used for a product, such as box, blister pack, bag, or pallet. It indicates how the item is contained and protected during shipping and storage.
|
Gift box |
|
Package width The horizontal measurement of a product’s packaging, expressed in a linear unit such as millimetres or inches. It indicates how wide the package is from one side to the other and helps customers assess fit for storage, shipping, or display.
|
217 mm |
| Power consumption (StandBy) | 0.001 W |
|
Power source type The type of electrical supply that powers the device, such as mains electricity, batteries, USB power, or a combination of these options.
|
Battery |
|
Quantity per pack The total count of individual units contained within a single package or bundle. This value helps customers understand how many pieces they receive when purchasing the product, and it is useful for inventory, shipping, and comparison purposes.
|
1 pc(s) |
|
Recommended usage A brief statement of the intended or most suitable use cases for a product, such as the type of environment (indoor, outdoor), activity (gaming, office work, music listening) or general application category. It helps customers quickly determine whether the item fits their needs.
|
Universal |
|
RMS rated power The root‑mean‑square (RMS) power rating of a device, expressed in watts (W). It represents the average electrical power that the product can deliver or consume under normal operating conditions.
|
20 W |
|
USB connectivity Indicates whether the product has a USB interface for data transfer or power delivery. A value of "Yes" means at least one USB port is present; "No" indicates no USB ports are available.
|
Yes |
|
USB connector type The type(s) of USB connector(s) present on a device, such as Micro‑USB, USB Type‑C, USB Type‑A, or combinations thereof. This attribute indicates the physical ports that can be used for data transfer, charging, or peripheral connectivity.
|
Micro-USB |
|
Volume control Indica el mecanismo o método con que se opera la función de ajuste de volumen en un producto, como botones físicos, controles giratorios, táctiles, digitales o combinaciones de estos. Los valores comunes incluyen "Tocar", "Botones", "Giratorio", "Control en línea" y otras variantes similares.
|
Buttons |
|
Weight The mass of the product expressed in a standard unit such as grams or kilograms. It represents how heavy the item is and can be used for shipping calculations, handling instructions, or consumer information.
|
440 g |
|
Wi-Fi Indicates whether the product has built‑in Wi‑Fi capability, allowing it to connect to wireless networks without requiring external adapters or dongles.
|
No |
Related articles
