Coolbox x3 m – (altcoox3 m)
Coolbox (8437012429680 / ALTCOOX3M) - Built-in - Lithium-Ion (Li-Ion) - A2DP,AVRCP - 2.1+EDR - Wireless - Other - Aluminum - Battery - Mono portable speaker - Mobile phone / Smartphone - Digital - Audio output channels: 1
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CoolBox X3M – The Compact Bluetooth Speaker Redefined
The CoolBox X3M is a sleek, mono‑powered portable speaker that blends modern design with reliable performance. Its compact dimensions—89 mm wide, 80 mm deep, and only 42 mm tall—make it an ideal companion for on‑the‑go listening, while the lightweight build of just 120 g (0.26 lb) ensures effortless portability.
Design & Build Quality
The speaker’s chassis is crafted from high‑grade aluminum, giving it a sturdy yet stylish finish available in black and silver. The minimalist exterior features subtle backlighting that illuminates the device during playback, adding an elegant visual cue to its operation. Despite its small footprint, the X3M maintains a robust feel thanks to the durable metal housing.
Audio Performance
Equipped with a single high‑efficiency driver, the CoolBox X3M delivers clear sound across the full audible spectrum from 100 Hz to 20 kHz. The built‑in amplifier provides a rated power of 3 W RMS, while the speaker’s sensitivity of 75 dB ensures that even at moderate volumes, the audio remains crisp and engaging. With a mono configuration (1.0 channel), the X3M is perfect for intimate listening experiences or as a portable backup to larger systems.
Connectivity & Compatibility
The device supports Bluetooth 2.1+EDR, enabling seamless pairing with smartphones, tablets, and other Bluetooth‑enabled devices. It offers the standard profiles of A2DP for high‑quality audio streaming and AVRCP for remote control functions such as play/pause and volume adjustments. A typical wireless range of up to 10 m (33 ft) allows users to enjoy music from a comfortable distance without compromising signal integrity.
Battery Life & Power Management
The X3M is powered by an integrated Lithium‑Ion (Li‑Ion) battery, providing up to 8 hours of continuous playback on a single charge. The charging cycle takes approximately 4 hours, after which the speaker is ready for another full session. Digital volume control ensures precise adjustments, while the plug‑and‑play design means no additional setup is required—simply power up and connect via Bluetooth.
User Experience & Practical Features
Designed with everyday use in mind, the CoolBox X3M excels as a mobile phone / smartphone companion. Its lightweight form factor allows it to be carried in a pocket or bag without adding bulk. The backlight not only enhances visibility but also serves as an indicator of active playback. Quick‑start guides are included for hassle‑free setup, and the device’s digital volume control offers fine‑tuned listening preferences.
Specifications Summary
- Dimensions: 89 mm (W) × 80 mm (D) × 42 mm (H)
- Weight: 120 g (0.26 lb)
- Material: Aluminum
- Color Options: Black, Silver
- Driver Count: 1 (Mono)
- Audio Output: 3 W RMS
- Sensitivity: 75 dB
- Frequency Range: 100–20,000 Hz
- Bluetooth Version: 2.1+EDR
- Profiles: A2DP, AVRCP
- Wireless Range: 10 m (33 ft)
- Battery Type: Lithium‑Ion (Li‑Ion) – Built‑in
- Battery Life: Up to 8 hours
- Charging Time: 4 hours
- Backlight: Yes
- Volume Control: Digital
- Plug & Play: Yes
The CoolBox X3M stands out as a thoughtfully engineered portable speaker that balances form, function, and portability. Whether you’re heading to a picnic, traveling, or simply enjoying music in the living room, this compact device delivers reliable performance without compromising on style.
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Category
This product is cataloged in our store in these categories
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- Speakers |
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International
Find this product in one of our international stores
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| Colors
Predominant colors of the product |
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| Tags | Coolbox Coolbox x3 Coolbox m Coolbox x3 m Coolbox altcoox3 Coolbox altcoox3m Coolbox x3 m altcoox3 Coolbox m altcoox3 Coolbox x3 altcoox3 Coolbox altcoox3 m Coolbox m altcoox3m Coolbox x3 m altcoox3m Coolbox altcoox3 m x3 Coolbox m x3 altcoox3 Coolbox x3 altcoox3 m Coolbox m altcoox3 x3 Coolbox x3 m altcoox3 m Coolbox m altcoox3 m |
| Identifiers | |
| Brand |  |
| Model | Coolbox ALTCOOX3M |
| MPN | Coolbox ALTCOOX3M |
| ID | 2930822 |
| Dimensions / Weight | |
| Key Features | |
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Amplifier Indicates whether the product has a built‑in component or feature that is permanently integrated into its design, such as a speaker, battery, or microphone. A value of "Yes" means the component is included and cannot be removed; "No" indicates it must be added separately.
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Built-in |
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Audio output channels Indicates the total number of independent audio channels that a product can produce or process, including sub‑channels such as those used in surround sound configurations (e.g., 5.1, 7.2). The value may be an integer or a decimal to represent fractional channel groups.
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1.0 channels |
| Backlight | Yes |
| Battery recharge time | 4 h |
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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.
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Lithium-Ion (Li-Ion) |
| Bluetooth | Yes |
| Bluetooth profiles | A2DP,AVRCP |
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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.
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2.1+EDR |
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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.
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Wireless |
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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.
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80 mm |
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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.
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Other |
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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.
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100 - 20000 Hz |
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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.
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42 mm |
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Housing material Indica el material o la combinación de materiales con los que está fabricado el componente más importante de un producto, como metal, plástico, vidrio u otros compuestos. Este atributo ayuda a comprender la durabilidad, peso y estética del artículo.
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Aluminum |
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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.
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1 |
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Plug and play Indicates whether the product can be used immediately after installation without requiring additional configuration or drivers.
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Yes |
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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.
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Battery |
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Product Type Indicates the general classification or type of an item, such as "laptop", "projector", "router" or "paint". It helps users quickly identify the nature of the product and compare similar items across categories.
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Mono portable speaker |
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Quick start guide Indicates whether a quick‑start guide is provided with the product. A value of "Yes" means that a brief, introductory manual or overview is included to help users get started quickly; "No" indicates that no such guide is supplied.
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Yes |
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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.
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Mobile phone / Smartphone |
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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.
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3 W |
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Sensitivity The sensitivity of a device expressed in decibels (dB), indicating how much sound or signal it can detect or respond to. Values may include positive, negative, or zero levels and sometimes reference frequencies such as 1 kHz. This attribute helps users compare the responsiveness of microphones, speakers, or other audio equipment.
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75 dB |
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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.
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Digital |
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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.
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120 g |
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Width The horizontal measurement of a product, expressed in a linear unit such as millimetres or inches. It indicates how wide the item is from one side to the other and is used for sizing, fitting, and compatibility purposes.
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89 mm |
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