{"product_id":"portable-plug-in-subwoofer-sound-card-reader-with-800mah-lithium-battery-100hz-20khz-frequency-response-32gb-storage-support-and-2-1-channel-audio-for-general-use-in-black-blue-golden-red-or-silver-metal-shell","title":"Portable plug-in subwoofer sound card reader with 800mAh lithium battery, 100Hz-20kHz frequency response, 32GB storage support and 2.1-channel audio for general use in black, blue, golden, red, or silver metal shell","description":"\u003ch1\u003ePortable plug-in subwoofer sound card reader with 800mAh battery and 32GB USB support\u003c\/h1\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Portable metal-shell sound card reader with subwoofer in black, blue, golden, red, or silver colour options\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US10\/742\/2025-10-02\/original-image\/1527020319225.webp\"\u003e\u003c\/div\u003e\n\u003cp\u003eThis portable audio device combines several practical functions in a metal-shell construction, serving as both a sound card reader and subwoofer unit with 2.1-channel output capability. Designed for general use rather than specialised professional applications, it offers multiple connectivity options including USB flash drive support up to 32GB capacity and Bluetooth 4.1 wireless connectivity with an effective range of 10 metres. The built-in 800mAh lithium battery provides approximately two hours of running time, making the device suitable for portable audio playback situations where mains power might not be immediately available. With its FM radio function and simple button-operated controls for both playback and speaker adjustment, this product addresses basic audio amplification and playback needs without claiming professional audio specifications beyond its stated 100Hz-20kHz frequency response range.\u003c\/p\u003e\n\u003ch2\u003eFeatures and Construction\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Portable metal-shell sound card reader with subwoofer in black, blue, golden, red, or silver colour options\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US10\/742\/2025-10-02\/original-image\/1554300025943.webp\"\u003e\u003c\/div\u003e\n\u003cp\u003eThe device's functionality centres on practical audio playback features rather than advanced professional specifications, with the metal shell construction providing physical durability through material choice. Available in five distinct colour options—black, blue, golden, red, and silver—the external appearance offers visual variety while maintaining the same core technical specifications across all variants. Operation occurs exclusively through button controls rather than touch interfaces or app connectivity, with the same button-based system handling both speaker adjustment and mode selection functions as stated in the source text.\u003c\/p\u003e\n\u003ch3\u003eMaterial and Build\u003c\/h3\u003e\n\u003cp\u003eThe metal shell construction represents the primary physical component mentioned in the source text, providing the external housing for the electronic components without additional claims about specific alloys, finishes, or protective treatments. This material choice contributes to the device's structural integrity rather than making unsupported claims about premium quality or exceptional durability. Internal components include the stated 800mAh lithium battery, single speaker unit, and circuitry supporting the 2.1-channel audio output, Bluetooth 4.1 connectivity, and USB flash drive interface without specification of particular chipset brands or audio processing technologies.\u003c\/p\u003e\n\u003ch3\u003eSize and Practical Fit\u003c\/h3\u003e\n\u003cp\u003eWhile exact physical dimensions are not provided in the source text, the device's portable nature is indicated by both its plug-in design and built-in battery system allowing approximately two hours of cord-free operation. The single speaker configuration suggests a compact form factor suitable for personal or small-group listening situations rather than room-filling audio distribution. The effective Bluetooth range of 10 metres positions the device for use within typical indoor spaces without requiring line-of-sight positioning between source and playback unit, while the plug-in capability provides flexibility for both portable and stationary operation modes.\u003c\/p\u003e\n\u003ch2\u003eUses and Placement\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Portable metal-shell sound card reader with subwoofer in black, blue, golden, red, or silver colour options\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US10\/742\/2025-10-02\/original-image\/1565848893787.webp\"\u003e\u003c\/div\u003e\n\u003cp\u003eDesigned explicitly for general use according to the source text, this device serves multiple basic audio playback scenarios without claiming specialised professional applications or exceptional performance characteristics. The combination of USB flash drive support, FM radio reception, and Bluetooth connectivity addresses common consumer audio needs for music playback from various sources in different environments. The 2.1-channel audio output with subwoofer capability provides enhanced bass response compared to basic mono or stereo systems, though the source text doesn't specify wattage, driver size, or other technical parameters that would quantify this enhancement.\u003c\/p\u003e\n\u003ch3\u003eEvent or Professional Use\u003c\/h3\u003e\n\u003cp\u003eThe source text specifies general use rather than professional applications, so any professional deployment would be based on the stated technical capabilities rather than advertised suitability for particular professional environments. The approximately two-hour battery life might support short-duration presentations or small events where mains power is unavailable, while the 32GB USB support allows pre-loaded audio content playback without requiring continuous streaming or external device connections. The 10-metre Bluetooth range enables presenter mobility within typical presentation spaces, though the single speaker configuration limits audio dispersion compared to multi-speaker professional systems.\u003c\/p\u003e\n\u003ch3\u003eEveryday Home Use\u003c\/h3\u003e\n\u003cp\u003eFor domestic applications, the device provides flexible audio playback from smartphones, tablets, or computers via Bluetooth 4.1 connectivity alongside traditional USB flash drive content access. The FM radio function offers broadcast reception without internet dependency, while the metal shell construction may provide resilience against typical household handling compared to plastic alternatives. The five colour options allow visual coordination with existing room decor, and the portable nature permits movement between rooms without requiring separate audio systems in each space. The simple button operation requires minimal technical familiarity compared to app-controlled or touchscreen alternatives.\u003c\/p\u003e\n\u003ch2\u003eBenefits and Buying Value\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Portable metal-shell sound card reader with subwoofer in black, blue, golden, red, or silver colour options\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US10\/742\/2025-10-02\/original-image\/1952645582158.webp\"\u003e\u003c\/div\u003e\n\u003cp\u003eThe practical value derives from combining multiple audio functions—USB playback, FM radio, Bluetooth streaming, and 2.1-channel output—in a single portable device with approximately two hours of battery-powered operation. The metal shell construction offers material-based durability without unsupported claims about lifespan or resilience to specific environmental conditions. With signal-to-noise ratio specified as at least 75dB and frequency response from 100Hz to 20kHz, the device provides measurable audio parameters that buyers can compare against their specific requirements without exaggerated performance claims.\u003c\/p\u003e\n\u003ch3\u003eReuse and Low Maintenance\u003c\/h3\u003e\n\u003cp\u003eThe rechargeable 800mAh lithium battery supports repeated use cycles without disposable battery replacement, while the metal shell construction may withstand typical handling better than plastic alternatives without specific impact resistance claims. The USB flash drive interface allows reusable storage media rather than device-locked memory, enabling content updates without technical expertise. Simple button controls reduce interface complexity and potential failure points compared to touchscreens or multifunction dials, while the absence of specified specialist maintenance procedures suggests straightforward operation without demanding care routines.\u003c\/p\u003e\n\u003ch3\u003eWhy Choose This Product\u003c\/h3\u003e\n\u003cp\u003eSelection might be based on the specific combination of features—particularly the 32GB USB support alongside Bluetooth 4.1 and FM radio functions in a portable format with approximately two-hour battery life. The metal shell construction provides material differentiation from plastic-bodied alternatives, while the five colour options offer visual customisation within identical technical specifications. The 2.1-channel audio output with stated 100Hz-20kHz frequency response and ≥75dB signal-to-noise ratio provides measurable audio parameters for comparison against basic speaker systems without making unsupported claims about audio fidelity or volume capabilities. The explicitly general-use designation accurately positions the device for consumer rather than professional audio applications.\u003c\/p\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Portable metal-shell sound card reader with subwoofer in black, blue, golden, red, or silver colour options\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US10\/742\/2025-10-02\/original-image\/2700474837742.webp\"\u003e\u003c\/div\u003e","brand":"dfewnq-9s","offers":[{"title":"Golden","offer_id":53607343358289,"sku":"CJXFBXYS00203-Golden","price":42.98,"currency_code":"GBP","in_stock":true},{"title":"Red","offer_id":53607343391057,"sku":"CJXFBXYS00203-Red","price":42.98,"currency_code":"GBP","in_stock":true},{"title":"Black","offer_id":53607343423825,"sku":"CJXFBXYS00203-Black","price":42.98,"currency_code":"GBP","in_stock":true},{"title":"Blue","offer_id":53607343456593,"sku":"CJXFBXYS00203-Blue","price":42.98,"currency_code":"GBP","in_stock":true},{"title":"Silver","offer_id":53607343489361,"sku":"CJXFBXYS00203-Silver","price":42.98,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1035\/0795\/1953\/files\/1952645582158.webp?v=1776940513","url":"https:\/\/celovian.com\/products\/portable-plug-in-subwoofer-sound-card-reader-with-800mah-lithium-battery-100hz-20khz-frequency-response-32gb-storage-support-and-2-1-channel-audio-for-general-use-in-black-blue-golden-red-or-silver-metal-shell","provider":"Celovian","version":"1.0","type":"link"}