{"product_id":"califone-pa21-edu-bluetooth-pa-system","title":"Califone PA21-EDU Bluetooth PA System","description":"\u003cdiv\u003e\n  \u003ch3\u003eCalifone PA21-EDU Wireless Bluetooth Portable PA System\u003c\/h3\u003e\n  \n  \u003cp\u003e\u003cstrong\u003eThe Califone PA21-EDU introduces a highly efficient, commercial-grade portable public address and media amplification station custom-engineered to handle crisp classroom lectures, loud outdoor athletics coaching, and multi-user school assembly layouts smoothly without performance lag.\u003c\/strong\u003e Carrying forward Califone’s celebrated reputation for crafting robust, student-proof classroom audio utilities for demanding primary schools and progressive universities, this high-utility sound hub transitions quiet spaces instantly into clear vocal environments. This specialized portable terminal serves as an essential audio asset across active gymnasium routines, remote playground staging pathways, and large lecture halls, passing stable voice amplification the exact millisecond an instructor speaks into a mic. By pairing a high-output internal amplifier core with a lightweight, travel-friendly chassis configuration, this model addresses the heavy footprints, messy wiring blocks, and fragile wireless drops common to standard consumer speakers, giving technology procurement directors a long-lasting audio asset to deploy safely across their facility infrastructures.\u003c\/p\u003e\n\n  \u003cp\u003e\u003cstrong\u003eConstructed around an advanced high-efficiency audio driver engine and paired with an optimized multi-input wireless interface matrix, this portable PA system delivers exceptional technical hardware reliability.\u003c\/strong\u003e The acoustic core manages daily audio pipelines by routing crisp speech frequencies and high-fidelity media tracks concurrently over a specialized low-distortion amplifier layout, utilizing an integrated wide-range speaker cone to increase vocal projection limits, maximize sound projection metrics, and keep presentation audio completely free of background signal static cleanly under intense school assembly workloads. Wireless signal tracking works in perfect synchronization with an advanced high-bandwidth Bluetooth transceiver rail, allowing instructors to wirelessly link modern smartphones, tablets, or student Chromebooks natively up to extensive distances without losing audio synchronization. The physical terminal architecture wraps these internal circuits inside a structurally reinforced high-impact composite shell enclosure, passing line currents cleanly across a physical auxiliary input, microphone connection ports, and an integrated media control pad to ensure total class-compliant network device interconnectivity from day one.\u003c\/p\u003e\n  \n  \u003cp\u003e\u003cstrong\u003eTurnkey multi-source hardware synchronization, instant plug-and-play media deployment parameters, and a cart-compatible lightweight frame make this wireless classroom speaker a highly efficient procurement choice that immediately cuts down on setup headaches and lightens technical support workloads.\u003c\/strong\u003e The universal electronic platform completely eliminates loose driver configuration bottlenecks and pairing lag by offering a direct physical auxiliary connection alongside its wireless rail, meaning any tech coordinator, coach, or student leader can patch in older portable computers or modern media devices and instantly achieve full vocal clarity without tracking down separate conversion bricks or facing setup lag lines. Designed to slide smoothly into multi-tier rolling computer labs, fit cleanly inside standard school hallway lockers, or store neatly inside media center inventory bins, this high-performance sound node leverages an advanced fanless internal cooling track to completely eliminate operational fan noise and block dust buildup inside the frame, solving the issue of short-circuit damage common to lower-tier consumer gear. By matching rapid Bluetooth pairing responsiveness with effortless hardware-level device interconnectivity, this sound asset significantly cuts down on technical support tickets and reduces facility operational downtime, making it a highly reliable administrative and instructional investment.\u003c\/p\u003e\n\n  \u003cstrong\u003eKey Features include:\u003c\/strong\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003e🔊 High-Efficiency Classroom Vocal Projection Engine:\u003c\/strong\u003e Premium high-output portable amplifier and speaker array precision-calibrated to deliver deep speech legibility across large crowds fluidly.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e📱 Integrated High-Bandwidth Bluetooth Wireless Receiver:\u003c\/strong\u003e Advanced internal wireless receiver engine custom-tuned to maintain an ironclad audio stream link with modern smartphones, tablets, and laptops.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e🔌 Multi-Port Analog Microphone and Line Inputs:\u003c\/strong\u003e High-tier hardware connection network packing standard auxiliary input rails and dedicated mic slots to support simultaneous vocal mixing safely.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e🔋 Full-Shift Extended Internal Battery Node (Up to 6 Hours):\u003c\/strong\u003e High-capacity rechargeable internal power cell engineered to deliver extensive hours of continuous equipment usability to protect mobile school events from mid-day power depletion fluidly.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e🎛️ Dedicated Hardware Audio Control Interface Pad:\u003c\/strong\u003e Accessible rear-facing panel layout fitted with independent master volume dials, treble tuners, bass equalizers, and direct source tracking triggers cleanly.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e🪶 Ultra-Lightweight Travel-Friendly Chassis Casing:\u003c\/strong\u003e Minimal-bulk physical thickness profile engineered to drop total travel weight limits cleanly while maximizing structural armor values flawlessly.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e🛡️ High-Impact Ruggedized Composite Outer Hull:\u003c\/strong\u003e Heavy-duty industrial composite structural shell tested to endure severe student handling, accidental hallway bumps, and active classroom drops safely.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e🎒 Integrated Heavy-Duty Recessed Carrying Handle:\u003c\/strong\u003e Ergonomically molded physical top handle bootie configured to provide comfortable, secure hand transport paths across campus facilities cleanly.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e🔇 Quiet Fanless Internal Cooling Architecture:\u003c\/strong\u003e Advanced thermal management layout built to dissipate interior heat without active fans, ensuring completely silent operation and blocking airborne dust buildup.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e🦎 Non-Slip Textured Rubber Surface Stabilizers:\u003c\/strong\u003e Industrial rubber feet integrated along the lower base chassis to anchor the speaker firmly onto angled tables or slick gym floors cleanly.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e🟢 Bright LED Active Power Connection Lamps:\u003c\/strong\u003e Built-in visual tracking lamps designed to illuminate during media connections to give operators instant confirmation of live equipment power tracks cleanly.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e🧼 Easy-Clean Sanitization-Safe Exterior Matte Finish:\u003c\/strong\u003e Resilient physical shield surface optimized to resist harsh sanitizing wipes, localized fingerprint oils, and grease smudges seamlessly.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e🏫 Turnkey Educational Fleet Deployment Optimization:\u003c\/strong\u003e Full class-compliant audio module profile configured to fit perfectly inside standard multi-tier rolling charging carts and school hallway student lockers safely.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e💻 Universal Cross-Platform Fleet Device Compliance:\u003c\/strong\u003e Full hardware infrastructure configured to power and sync flawlessly with high-end Windows workstations, Mac studios, streaming decks, and student Chromebook lines natively.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr\u003e\nSpecifications:\u003cbr\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-family: sans-serif; text-align: left; margin: 20px 0px; border: 1px solid rgb(221, 221, 221); height: 334px;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background-color: rgb(248, 249, 250); border-bottom: 2px solid rgb(221, 221, 221); height: 19.6px;\"\u003e\n      \u003cth style=\"padding: 12px; font-weight: bold; width: 35%; border-right: 1px solid rgb(221, 221, 221); height: 19.6px;\"\u003eSpecification\u003c\/th\u003e\n      \u003cth style=\"padding: 12px; height: 19.6px;\"\u003eDetails\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr style=\"border-bottom: 1px solid rgb(221, 221, 221); height: 19.6px;\"\u003e\n      \u003ctd style=\"padding: 12px; font-weight: bold; background-color: rgb(253, 253, 253); border-right: 1px solid rgb(221, 221, 221); height: 19.6px;\"\u003eBrand \/ Publisher\u003c\/td\u003e\n      \u003ctd style=\"padding: 12px; height: 19.6px;\"\u003eCalifone International, LLC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"border-bottom: 1px solid rgb(221, 221, 221); height: 19.6px;\"\u003e\n      \u003ctd style=\"padding: 12px; font-weight: bold; background-color: rgb(253, 253, 253); border-right: 1px solid rgb(221, 221, 221); height: 19.6px;\"\u003eModel \/ SKU Configuration\u003c\/td\u003e\n      \u003ctd style=\"padding: 12px; height: 19.6px;\"\u003ePresentation Audio Series \/ Model: PA21-EDU \/ Part Number: PA21-EDU \/ Portable Bluetooth Classroom PA Sound System\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"border-bottom: 1px solid rgb(221, 221, 221); height: 19.6px;\"\u003e\n      \u003ctd style=\"padding: 12px; font-weight: bold; background-color: rgb(253, 253, 253); border-right: 1px solid rgb(221, 221, 221); height: 19.6px;\"\u003eDevice Classification\u003c\/td\u003e\n      \u003ctd style=\"padding: 12px; height: 19.6px;\"\u003eClass-Compliant Educational Audio Infrastructure Hardware \/ Portable Wireless Classroom and Field PA Amplification Access Node\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"border-bottom: 1px solid rgb(221, 221, 221); height: 19.6px;\"\u003e\n      \u003ctd style=\"padding: 12px; font-weight: bold; background-color: rgb(253, 253, 253); border-right: 1px solid rgb(221, 221, 221); height: 19.6px;\"\u003eWireless Core Receiver\u003c\/td\u003e\n      \u003ctd style=\"padding: 12px; height: 19.6px;\"\u003eIntegrated High-Velocity Bluetooth Wireless Protocol Receiver Module (Automated wireless identity pairing tracking links)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"border-bottom: 1px solid rgb(221, 221, 221); height: 19.6px;\"\u003e\n      \u003ctd style=\"padding: 12px; font-weight: bold; background-color: rgb(253, 253, 253); border-right: 1px solid rgb(221, 221, 221); height: 19.6px;\"\u003eWired Connection Interfaces\u003c\/td\u003e\n      \u003ctd style=\"padding: 12px; height: 19.6px;\"\u003e1 x 3.5mm Auxiliary Line Input, 1 x 1\/4\" Microphone Input Port, 1 x DC Coaxial Power Input Rail\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"border-bottom: 1px solid rgb(221, 221, 221); height: 19.6px;\"\u003e\n      \u003ctd style=\"padding: 12px; font-weight: bold; background-color: rgb(253, 253, 253); border-right: 1px solid rgb(221, 221, 221); height: 19.6px;\"\u003eInternal Battery Capacity\u003c\/td\u003e\n      \u003ctd style=\"padding: 12px; height: 19.6px;\"\u003eRechargeable Lithium-Ion or Lead-Acid Internal Battery Subsystem Cell (Rated up to 6 hours continuous voice projection bounds)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"border-bottom: 1px solid rgb(221, 221, 221); height: 19.6px;\"\u003e\n  \u003ctd style=\"padding: 12px; font-weight: bold; background-color: rgb(253, 253, 253); border-right: 1px solid rgb(221, 221, 221); height: 19.6px;\"\u003eBox Contents\u003c\/td\u003e\n  \u003ctd style=\"padding: 12px; height: 19.6px;\"\u003e1 x Califone PA21-EDU Portable Bluetooth PA Speaker Terminal, 1 x 2-Channel UHF Wireless Microphone System (Included Transmitter Hardware), 1 x AC-to-DC Charging Power Supply Adapter Block and Wall Cord, 1 x Quick-Start Hardware Setup Reference Documentation Guide\u003c\/td\u003e\n\u003c\/tr\u003e\n\n    \u003ctr style=\"border-bottom: 1px solid rgb(221, 221, 221); height: 19.6px;\"\u003e\n      \u003ctd style=\"padding: 12px; font-weight: bold; background-color: rgb(253, 253, 253); border-right: 1px solid rgb(221, 221, 221); height: 19.6px;\"\u003ePhysical Specifications\u003c\/td\u003e\n      \u003ctd style=\"padding: 12px; height: 19.6px;\"\u003eDimensions and Unit Weight baseline custom-engineered to maintain a compact, mobile footprint matching school charging cart slots fluidly | High-impact texturized matte slate blue or gray structural composite enclosure shell fitted with an integrated top handle, lower rubber stabilizer feet, and a protective front steel mesh grille safely\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Synnex","offers":[{"title":"Default Title","offer_id":59612604498206,"sku":"6258106","price":1199.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/4435\/9966\/files\/califonepa21edu.png?v=1783962846","url":"https:\/\/thinkedu.com\/products\/califone-pa21-edu-bluetooth-pa-system","provider":"ThinkEDU","version":"1.0","type":"link"}