{"product_id":"arrarown-st-839-2-1-bluetooth-amplifier-100w","title":"ARRAROWN ST-839 2.1 Bluetooth Amplifier 100W","description":"\u003cp\u003e\u003cstrong\u003eThe ARRAROWN ST-839 is a compact 2.1-channel Bluetooth amplifier that delivers stereo output plus a dedicated subwoofer channel for clear highs, punchy bass, and flexible wired or wireless inputs.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis mini amp is designed for small home theaters, desktops, and multiroom audio setups where space is limited but sound quality matters. It pairs Bluetooth 5.0 convenience with USB, AUX and RCA options, onboard treble and bass control, and a supplied DC 12V\/5A power adapter. The unit supports four passive speakers and a subwoofer, offering a combined peak output near 100W while keeping a compact footprint for easy placement.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the ST-839 improve my living room or desktop sound?\u003c\/h3\u003e\n\u003cp\u003eThe amplifier separates audio into two stereo channels plus a sub channel, so mid\/high details remain crisp while low frequencies stay tight and controlled. You can route two pairs of passive speakers and one subwoofer to create fuller, balanced sound without adding a large receiver.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e2.1 channel design: left\/right speakers plus subwoofer output\u003c\/li\u003e\n  \u003cli\u003eRated RMS: 25W x 2 plus 40W subwoofer support\u003c\/li\u003e\n  \u003cli\u003ePeak output up to 100W for short dynamic passages\u003c\/li\u003e\n  \u003cli\u003eAdjustable treble and bass to refine tone for music or movies\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat connectivity options does it offer and how reliable is Bluetooth?\u003c\/h3\u003e\n\u003cp\u003eST-839 provides multiple wired inputs (USB, AUX, RCA) for TVs, PCs, and media players plus Bluetooth 5.0 for wireless streaming from phones and tablets. Bluetooth 5.0 improves pairing stability and range compared with older modules, but for absolute lowest-latency listening you can use wired inputs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBluetooth 5.0 for wireless audio within about 10 meters\u003c\/li\u003e\n  \u003cli\u003eUSB lossless decoding for direct playback from thumb drives\u003c\/li\u003e\n  \u003cli\u003eRCA and 3.5mm AUX for legacy devices and TVs\u003c\/li\u003e\n  \u003cli\u003eRemote control to switch inputs and adjust volume or EQ\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs the ST-839 easy to set up and control daily?\u003c\/h3\u003e\n\u003cp\u003eThe small steel-and-plastic chassis is plug-and-play: connect speakers, attach the supplied 12V\/5A adapter, and select your input. The included remote lets you change inputs, adjust volume, and tweak treble\/bass without touching the unit, making it convenient for everyday use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompact footprint: 150 x 117 x 38 mm for tight spaces\u003c\/li\u003e\n  \u003cli\u003eSimple speaker terminals for 4–8 ohm passive speakers\u003c\/li\u003e\n  \u003cli\u003eRemote and front-panel controls for quick adjustments\u003c\/li\u003e\n  \u003cli\u003eSupplied power adapter reduces need for extra purchases\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich speakers and rooms suit this mini amplifier best?\u003c\/h3\u003e\n\u003cp\u003eThe ST-839 pairs well with bookshelf or small floor speakers rated 4–8Ω and a moderate-power subwoofer. It’s intended for bedrooms, apartments, office studios, small living rooms, and desktop audio rigs rather than large venues or high-SPL club systems.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRecommended speakers: passive bookshelf or compact floor models (4–8Ω, ≤40W each)\u003c\/li\u003e\n  \u003cli\u003eSubwoofer: passive 4–8Ω, ~50W recommended\u003c\/li\u003e\n  \u003cli\u003eIdeal rooms: bedrooms, small living spaces, home offices, garages\u003c\/li\u003e\n  \u003cli\u003eNot designed for large halls or professional live sound reinforcement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: The ARRAROWN ST-839 is aimed at listeners who want a small, affordable amplifier to upgrade TV and desktop audio, add a sub for fuller lows, or stream wirelessly from mobile devices. If you need a compact unit with flexible inputs, simple tone controls, and a remote for casual listening, this amplifier offers a strong balance of features and size without the complexity of a full AV receiver.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can the ST-839 drive four passive speakers at once?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — it supports up to four 4–8Ω passive speakers, configured as stereo pairs, while also powering a subwoofer.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the amplifier include a power adapter and remote?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the ST-839 ships with a DC 12V\/5A power adapter and a remote control for input and EQ adjustments.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ARRAROWN","offers":[{"title":"Default Title","offer_id":48413579772061,"sku":"B0FLXQZJ5S","price":50.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/9596\/1757\/files\/arrarown-st-839-front-panel.jpg?v=1781272485","url":"https:\/\/nexoltic.com\/products\/arrarown-st-839-2-1-bluetooth-amplifier-100w","provider":"Nexoltic","version":"1.0","type":"link"}