{"product_id":"inandon-ks400-pro-karaoke-mixer-amplifier","title":"InAndOn KS400 Pro Karaoke Mixer Amplifier 110V-240V","description":"\u003c!-- InAndOn KS400 Pro SEO \u0026 GEO Optimized Product Description --\u003e\n\u003cstyle\u003e\n  .ks400-pdp-wrap {\n    font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Helvetica, Arial, sans-serif;\n    color: #1e293b;\n    line-height: 1.6;\n    max-width: 100%;\n    margin: 0 auto;\n    box-sizing: border-box;\n  }\n  .ks400-hero-banner {\n    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);\n    color: #ffffff;\n    border-radius: 14px;\n    padding: 28px 24px;\n    margin-bottom: 24px;\n  }\n  .ks400-badge {\n    display: inline-block;\n    background: #4353ff;\n    color: #ffffff;\n    font-size: 11px;\n    font-weight: 800;\n    text-transform: uppercase;\n    letter-spacing: 1.5px;\n    padding: 5px 12px;\n    border-radius: 20px;\n    margin-bottom: 12px;\n  }\n  .ks400-hero-title {\n    font-size: clamp(22px, 3.5vw, 30px);\n    font-weight: 800;\n    line-height: 1.25;\n    margin: 0 0 8px 0;\n    color: #ffffff;\n  }\n  .ks400-hero-subtitle {\n    font-size: 15px;\n    color: #94a3b8;\n    margin: 0 0 14px 0;\n  }\n  .ks400-hero-desc {\n    font-size: 14px;\n    color: #cbd5e1;\n    margin: 0;\n    line-height: 1.7;\n  }\n  .ks400-grid-3col {\n    display: grid;\n    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));\n    gap: 12px;\n    margin: 20px 0 28px 0;\n  }\n  .ks400-grid-item {\n    background: #f8fafc;\n    border: 1px solid #e2e8f0;\n    border-radius: 10px;\n    padding: 14px;\n    font-size: 13.5px;\n    font-weight: 600;\n    color: #334155;\n    display: flex;\n    align-items: center;\n    gap: 8px;\n  }\n  .ks400-card {\n    background: #ffffff;\n    border: 1px solid #e2e8f0;\n    border-radius: 14px;\n    padding: 24px;\n    margin-bottom: 20px;\n    box-shadow: 0 4px 15px rgba(0,0,0,0.02);\n  }\n  .ks400-card-tag {\n    font-size: 11px;\n    font-weight: 800;\n    color: #4353ff;\n    text-transform: uppercase;\n    letter-spacing: 1px;\n    margin-bottom: 4px;\n  }\n  .ks400-card-heading {\n    font-size: 20px;\n    font-weight: 800;\n    color: #0f172a;\n    margin: 0 0 14px 0;\n  }\n  .ks400-bullet-list {\n    list-style: none;\n    padding: 0;\n    margin: 0;\n  }\n  .ks400-bullet-list li {\n    font-size: 13.5px;\n    color: #334155;\n    padding: 8px 0;\n    border-bottom: 1px dashed #f1f5f9;\n    display: flex;\n    align-items: flex-start;\n    gap: 10px;\n  }\n  .ks400-bullet-list li:last-child {\n    border-bottom: none;\n  }\n  .ks400-bullet-icon {\n    color: #10b981;\n    font-weight: bold;\n    flex-shrink: 0;\n  }\n  .ks400-table {\n    width: 100%;\n    border-collapse: collapse;\n    margin-top: 14px;\n    font-size: 13px;\n    border: 1px solid #e2e8f0;\n    border-radius: 8px;\n    overflow: hidden;\n  }\n  .ks400-table th, .ks400-table td {\n    padding: 9px 12px;\n    text-align: left;\n    border-bottom: 1px solid #e2e8f0;\n  }\n  .ks400-table th {\n    background: #f8fafc;\n    color: #475569;\n    width: 38%;\n    border-right: 1px solid #e2e8f0;\n  }\n  .ks400-table td {\n    color: #0f172a;\n    font-weight: 500;\n  }\n  .ks400-table tr:last-child th, .ks400-table tr:last-child td {\n    border-bottom: none;\n  }\n  .ks400-included-box {\n    background: #f8fafc;\n    border: 2px dashed #cbd5e1;\n    border-radius: 12px;\n    padding: 22px;\n    margin-top: 24px;\n  }\n  .ks400-included-grid {\n    display: grid;\n    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));\n    gap: 10px;\n    margin-top: 12px;\n  }\n  .ks400-included-item {\n    background: #ffffff;\n    border: 1px solid #e2e8f0;\n    border-radius: 8px;\n    padding: 10px 12px;\n    font-size: 13px;\n    font-weight: 600;\n    color: #1e293b;\n    display: flex;\n    align-items: center;\n    gap: 6px;\n  }\n  @media (max-width: 600px) {\n    .ks400-hero-banner { padding: 20px 16px; }\n    .ks400-card { padding: 18px 14px; }\n    .ks400-table th { width: 45%; font-size: 12px; }\n    .ks400-table td { font-size: 12px; }\n    .ks400-included-grid { grid-template-columns: 1fr; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"ks400-pdp-wrap\"\u003e\n\n  \u003c!-- 1. Hero Overview --\u003e\n  \u003cdiv class=\"ks400-hero-banner\"\u003e\n    \u003cspan class=\"ks400-badge\"\u003eAll-in-One KTV Audio Solution\u003c\/span\u003e\n    \u003ch1 class=\"ks400-hero-title\"\u003eInAndOn KS400 Pro Karaoke Mixer Amplifier\u003c\/h1\u003e\n    \u003cdiv class=\"ks400-hero-subtitle\"\u003eGerman PFC Digital Amplifier • Smart Color Touchscreen • Integrated Dual UHF Wireless Mics\u003c\/div\u003e\n    \u003cp class=\"ks400-hero-desc\"\u003e\n      The \u003cstrong\u003eInAndOn KS400 Pro\u003c\/strong\u003e is an intelligent, high-fidelity audio centerpiece that consolidates a powerful 800W peak digital amplifier, professional DSP vocal effects processor, and a dual-channel UHF wireless microphone system into a sleek 1.5U rack-mountable chassis (17\" × 10.3\" × 3\"). Featuring comprehensive HDMI 2.0 with ARC (Audio Return Channel), optical input, and Bluetooth 5.0, the KS400 Pro transforms any smart TV, projector, or standalone karaoke player into an authentic commercial-grade KTV sound lounge.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- 2. Fast Spec Highlights for GEO\/AI Crawlers --\u003e\n  \u003cdiv class=\"ks400-grid-3col\"\u003e\n    \u003cdiv class=\"ks400-grid-item\"\u003e⚡ 400W + 400W (8Ω) Dynamic Output\u003c\/div\u003e\n    \u003cdiv class=\"ks400-grid-item\"\u003e📺 3× HDMI 2.0 In + 1× HDMI ARC Out\u003c\/div\u003e\n    \u003cdiv class=\"ks400-grid-item\"\u003e🎤 2× Studio UHF Mics with Auto-Sync\u003c\/div\u003e\n    \u003cdiv class=\"ks400-grid-item\"\u003e🎛️ Intelligent Color Touchscreen UI\u003c\/div\u003e\n    \u003cdiv class=\"ks400-grid-item\"\u003e📶 Lossless Bluetooth 5.0 \u0026amp; Optical In\u003c\/div\u003e\n    \u003cdiv class=\"ks400-grid-item\"\u003e🌍 110V–240V Universal Wide Voltage\u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- 3. Key Technological Innovations --\u003e\n  \u003cdiv class=\"ks400-card\"\u003e\n    \u003cdiv class=\"ks400-card-tag\"\u003eAcoustic Engineering\u003c\/div\u003e\n    \u003ch2 class=\"ks400-card-heading\"\u003eKey Features \u0026amp; Performance Innovations\u003c\/h2\u003e\n\n    \u003cul class=\"ks400-bullet-list\"\u003e\n      \u003cli\u003e\n        \u003cspan class=\"ks400-bullet-icon\"\u003e✓\u003c\/span\u003e\n        \u003cdiv\u003e\n          \u003cstrong\u003eIntuitive Capacitive Touchscreen:\u003c\/strong\u003e Front-panel full-color touch display allows instantaneous switching between Music, Microphone, and Reverb effects with English\/Chinese language options. Equipped with startup\/maximum volume locks to protect speakers from accidental surges.\n        \u003c\/div\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"ks400-bullet-icon\"\u003e✓\u003c\/span\u003e\n        \u003cdiv\u003e\n          \u003cstrong\u003eStudio-Grade Dual UHF Wireless Microphones:\u003c\/strong\u003e Bundled with 2 professional handheld microphones (10.3\" length) featuring 200 frequency channels (CH 001–200) and infrared (IR) auto-frequency pairing. Built-in dual DSP chips deliver anti-howling, zero-latency vocal reproduction.\n        \u003c\/div\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"ks400-bullet-icon\"\u003e✓\u003c\/span\u003e\n        \u003cdiv\u003e\n          \u003cstrong\u003eGerman PFC Digital Amplification:\u003c\/strong\u003e Engineered with premium microcontroller circuitry and power factor correction (PFC), producing 400W + 400W @ 8Ω (EIAJ) of clean, dynamic power capable of driving demanding 8-inch, 10-inch, and 12-inch KTV passive speakers.\n        \u003c\/div\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"ks400-bullet-icon\"\u003e✓\u003c\/span\u003e\n        \u003cdiv\u003e\n          \u003cstrong\u003eComplete HDMI ARC \u0026amp; Digital Integration:\u003c\/strong\u003e Connect directly to Smart TVs via HDMI ARC to transmit pristine digital audio back to the amplifier. Also features 3 HDMI inputs for TV boxes, gaming consoles, or karaoke players, plus 1 Optical digital input.\n        \u003c\/div\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"ks400-bullet-icon\"\u003e✓\u003c\/span\u003e\n        \u003cdiv\u003e\n          \u003cstrong\u003eAcoustic Scene Modes \u0026amp; DSP Software Tuning:\u003c\/strong\u003e One-touch acoustic modes for KTV, Vocal, Professional, Magic Reverb, and Conference. Supports USB connection to PC tuning software for precision equalizer, delay, and limiter adjustments.\n        \u003c\/div\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"ks400-bullet-icon\"\u003e✓\u003c\/span\u003e\n        \u003cdiv\u003e\n          \u003cstrong\u003eFlexible System Expansion:\u003c\/strong\u003e Features dedicated analog outputs for Center channel (CEN), Active Subwoofer (SUB), and Audio Recording (REC). Includes 2 additional rear 6.35mm inputs for wired or headset microphones with independent gain controls.\n        \u003c\/div\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"ks400-bullet-icon\"\u003e✓\u003c\/span\u003e\n        \u003cdiv\u003e\n          \u003cstrong\u003eUniversal Worldwide Voltage:\u003c\/strong\u003e Auto-switching AC 110V–240V power supply compatible with North America (110V–120V) as well as Europe, Australia, and Asia (220V–240V).\n        \u003c\/div\u003e\n      \u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- 4. Verified Technical Specifications Table (Critical for GEO\/AI Extraction) --\u003e\n  \u003cdiv class=\"ks400-card\"\u003e\n    \u003cdiv class=\"ks400-card-tag\"\u003eAuthoritative Specs\u003c\/div\u003e\n    \u003ch2 class=\"ks400-card-heading\"\u003eTechnical Specifications\u003c\/h2\u003e\n\n    \u003ctable class=\"ks400-table\"\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003cth\u003eModel\u003c\/th\u003e\n          \u003ctd\u003e\u003cstrong\u003eInAndOn KS400 Pro\u003c\/strong\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eRated Output Power\u003c\/th\u003e\n          \u003ctd\u003e400W + 400W (Main Channel, 8Ω, EIAJ)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eFrequency Response\u003c\/th\u003e\n          \u003ctd\u003e20Hz – 20kHz (±1.5dB)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eTotal Harmonic Distortion (THD)\u003c\/th\u003e\n          \u003ctd\u003e≤ 0.2%\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eSignal-to-Noise Ratio (S\/N)\u003c\/th\u003e\n          \u003ctd\u003e≥ 95dB\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eInput Sensitivity\u003c\/th\u003e\n          \u003ctd\u003e0.5V\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eBalanced Input Impedance\u003c\/th\u003e\n          \u003ctd\u003e10kΩ \/ Unbalanced\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eChannel Separation\u003c\/th\u003e\n          \u003ctd\u003e\u0026gt; 70dB\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eDamping Factor\u003c\/th\u003e\n          \u003ctd\u003e\u0026gt; 240 (f=1kHz, 8Ω)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eSlew Rate\u003c\/th\u003e\n          \u003ctd\u003e15V\/μS\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eHardware Protection\u003c\/th\u003e\n          \u003ctd\u003eSoft Start, Short Circuit, Limiter, DC Fault, AC Fuse, Thermal Cut\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eWireless Mic Specs\u003c\/th\u003e\n          \u003ctd\u003eUHF 200 Channels (A: 001–100, B: 101–200), IR Auto-Sync, 10.3\" Length\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eDigital Audio Inputs\u003c\/th\u003e\n          \u003ctd\u003e3× HDMI 2.0 In, 1× Optical, Bluetooth 5.0, USB MP3\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eAudio Outputs\u003c\/th\u003e\n          \u003ctd\u003e1× HDMI ARC, 2-CH Speaker Binding Posts, 1× Center, 1× Subwoofer, 1× REC\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eOperating Voltage\u003c\/th\u003e\n          \u003ctd\u003eAC 110V – 240V, 50\/60Hz (Universal Worldwide Compatibility)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eDimensions (W × D × H)\u003c\/th\u003e\n          \u003ctd\u003e17\" × 10.3\" × 3\" (432 × 262 × 76 mm)\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- 5. What's in the Box (Updated to 100% Match Official Packaging Diagram) --\u003e\n  \u003cdiv class=\"ks400-included-box\"\u003e\n    \u003ch3 style=\"font-size: 18px; font-weight: 800; color: #0f172a; margin: 0 0 4px 0;\"\u003e📦 What It Includes\u003c\/h3\u003e\n    \u003cp style=\"font-size: 13px; color: #64748b; margin: 0 0 14px 0;\"\u003eComplete all-in-one package ready for immediate setup and singing:\u003c\/p\u003e\n    \n    \u003cdiv class=\"ks400-included-grid\"\u003e\n      \u003cdiv class=\"ks400-included-item\"\u003e✔ 1× InAndOn KS400 Pro Mixing Amplifier\u003c\/div\u003e\n      \u003cdiv class=\"ks400-included-item\"\u003e✔ 2× UHF Wireless Microphones (10.3\")\u003c\/div\u003e\n      \u003cdiv class=\"ks400-included-item\"\u003e✔ 2× Microphone Holders (Anti-Roll Rings)\u003c\/div\u003e\n      \u003cdiv class=\"ks400-included-item\"\u003e✔ 2× UHF Mic Antennas\u003c\/div\u003e\n      \u003cdiv class=\"ks400-included-item\"\u003e✔ 1× Bluetooth (BT) Antenna\u003c\/div\u003e\n      \u003cdiv class=\"ks400-included-item\"\u003e✔ 1× Computer Connection Cable (USB)\u003c\/div\u003e\n      \u003cdiv class=\"ks400-included-item\"\u003e✔ 1× AC Power Cable\u003c\/div\u003e\n      \u003cdiv class=\"ks400-included-item\"\u003e✔ 2× Rack Mount Ears \u0026amp; Screws\u003c\/div\u003e\n      \u003cdiv class=\"ks400-included-item\"\u003e✔ 1× Full-Function Remote Control\u003c\/div\u003e\n      \u003cdiv class=\"ks400-included-item\"\u003e✔ 1× User Manual \u0026amp; Setup Guide\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"InAndOn","offers":[{"title":"Default Title","offer_id":48911912632477,"sku":null,"price":499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/0421\/8781\/files\/KS400zhu-1.webp?v=1789540794","url":"https:\/\/inandonvip.com\/products\/inandon-ks400-pro-karaoke-mixer-amplifier","provider":"InAndOn","version":"1.0","type":"link"}