{"product_id":"jbl-boombox-4-portable-bluetooth-speaker","title":"JBL Boombox 4 Portable Bluetooth Speaker","description":"\u003ch2\u003eJBL Boombox 4 Portable Bluetooth Speaker\u003c\/h2\u003e\n\n\u003cp\u003eThe JBL Boombox 4 Portable Waterproof Bluetooth Speaker delivers massive JBL Pro Sound with AI Sound Boost, deep bass, and portable wireless playback. It combines IP68 waterproof and dustproof protection, up to 28 hours of music playtime, and Playtime Boost for up to 34 total hours.\u003c\/p\u003e\n\n\u003cp\u003eMade for buyers who want a powerful portable Bluetooth speaker for parties, outdoor gatherings, beach days, and backyard events, the Boombox 4 brings louder sound in a lighter redesigned format. Dual Bass Boost modes let users choose deeper low-end impact or tighter, punchier bass for different listening moods.\u003c\/p\u003e\n\n\u003cp\u003eUSB-C lossless audio playback supports wired digital listening from compatible sources, while Auracast enables stereo pairing with two Boombox 4 speakers or connection with multiple compatible JBL speakers. Its rechargeable 99.02Wh Li-ion battery pack, powerbank capability, and rugged enclosure make it ready for mobile audio use.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eJBL Pro Sound with AI Sound Boost:\u003c\/strong\u003e Analyzes music in real time to deliver more output with reduced distortion.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUp to 34 Hours of Playtime:\u003c\/strong\u003e Runs up to 28 hours, with Playtime Boost adding up to 6 extra hours.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIP68 Waterproof and Dustproof Design:\u003c\/strong\u003e Protects the speaker for outdoor use around water, dust, and changing conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuracast Multi-Speaker Connection:\u003c\/strong\u003e Pairs two Boombox 4 speakers in stereo or links multiple compatible JBL speakers.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTwo Bass Boost Settings:\u003c\/strong\u003e Offers Deep Bass mode and Punchy Bass mode for adjustable low-end response.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUSB-C Lossless Audio Playback:\u003c\/strong\u003e Supports wired digital playback from compatible audio sources and content.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-In Powerbank:\u003c\/strong\u003e Provides charging support for compatible devices while the music keeps playing.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReplaceable Battery Design:\u003c\/strong\u003e Allows the rechargeable battery pack to be replaced separately when needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e JBL\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e Boombox 4\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Portable waterproof Bluetooth speaker\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAvailable Colorways:\u003c\/strong\u003e Black, Blue, Squad\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Input:\u003c\/strong\u003e 100 - 240 Vac; 50\/60 Hz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSignal-to-Noise Ratio:\u003c\/strong\u003e \u0026gt; 80 dB\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Power:\u003c\/strong\u003e AC mode: 2 x 65W RMS woofer, 2 x 40W RMS tweeter; Battery mode: 2 x 60W RMS woofer, 2 x 40W RMS tweeter\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrequency Response:\u003c\/strong\u003e 37 Hz - 20 kHz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTransducers:\u003c\/strong\u003e 2 x 5\" woofers, 2 x 0.75\" tweeters, 2 circle passive radiators, 1 racetrack passive radiator\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBluetooth Version:\u003c\/strong\u003e 5.4\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBluetooth Profiles:\u003c\/strong\u003e A2DP 1.4, AVRCP 1.6\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBluetooth Frequency:\u003c\/strong\u003e 2.4 GHz - 2.4835 GHz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBluetooth Transmitter Frequency Range:\u003c\/strong\u003e 2.4 GHz - 2.4835 GHz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBluetooth Transmitter Modulation:\u003c\/strong\u003e GFSK, π\/4 DQPSK, 8DPSK\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBluetooth Transmitter Power:\u003c\/strong\u003e ≤ 14 dBm EIRP\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnections:\u003c\/strong\u003e AC-in, USB-C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery Type:\u003c\/strong\u003e Rechargeable Li-ion battery pack, 99.02Wh\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery Charge Time:\u003c\/strong\u003e 3 hours\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Music Playing Time:\u003c\/strong\u003e 28 hours\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Playtime with Playtime Boost:\u003c\/strong\u003e Up to 34 hours\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIP Code:\u003c\/strong\u003e IP68\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDustproof:\u003c\/strong\u003e Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWaterproof:\u003c\/strong\u003e Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWireless:\u003c\/strong\u003e Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBluetooth:\u003c\/strong\u003e Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupports Auracast:\u003c\/strong\u003e Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAI Sound Boost:\u003c\/strong\u003e Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePowerbank:\u003c\/strong\u003e Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCable Type:\u003c\/strong\u003e AC power cable\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCable Length:\u003c\/strong\u003e 6.6 ft\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eJBL Boombox 4:\u003c\/strong\u003e Portable waterproof Bluetooth speaker.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAC Power Cord:\u003c\/strong\u003e AC plug and quantity vary by region.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuick Start Guide:\u003c\/strong\u003e Setup documentation for basic operation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSafety Sheet:\u003c\/strong\u003e Safety information for product use.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JBL","offers":[{"title":"Black","offer_id":46310688653509,"sku":"JBL-JBLBOOMBOX4BLKAM","price":549.95,"currency_code":"USD","in_stock":true},{"title":"Blue","offer_id":46310688686277,"sku":"JBL-JBLBOOMBOX4BLUAM","price":549.95,"currency_code":"USD","in_stock":true},{"title":"Squad","offer_id":46310688719045,"sku":"JBL-JBLBOOMBOX4SQUADAM","price":549.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0630\/3085\/3829\/files\/1-jbl-jblboombox4blkam_004aff96-7f0a-4458-b856-ebfa2e3e94f4.jpg?v=1780594361","url":"https:\/\/avlgear.com\/products\/jbl-boombox-4-portable-bluetooth-speaker","provider":"AVLGEAR","version":"1.0","type":"link"}