{"product_id":"ca-6400-4-channel-digital-power-amplifier","title":"CA-6400W Pro 4-Channel Digital Power Amplifier 5200W Drive 4 Speaker","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"product-description-seo\" style=\"font-family: 'Segoe UI', '-apple-system', BlinkMacSystemFont, Roboto, Arial, sans-serif; max-width: 960px; margin: 0 auto; color: #1a1a1a; line-height: 1.65;\"\u003e\n\u003cdiv style=\"background: #0f0f1a; padding: 32px 28px; margin-bottom: 28px; text-align: center;\"\u003e\n\u003ch1 style=\"color: #ffffff; font-size: 26px; font-weight: bold; margin: 0 0 8px 0; letter-spacing: -0.3px;\"\u003eCA-6400W 6400W 4-Channel Digital Pro Amplifier\u003c\/h1\u003e\n\u003cp style=\"color: #c5d5e8; font-size: 17px; font-weight: 500; margin: 0;\"\u003e1300W RMS per Channel @ 4Ω | 1U Rack-Mountable | Class-D | For Large Stage, KTV \u0026amp; Conferences\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 28px;\"\u003e\n\u003ch2 style=\"color: #1a1a2e; font-size: 22px; font-weight: bold; margin: 0 0 14px 0; padding-bottom: 10px; border-bottom: 3px solid #162447;\"\u003eProduct Gallery\u003c\/h2\u003e\n\u003cdiv style=\"margin-top: 14px;\"\u003e\n\u003cdiv style=\"border: 1px solid #e2e8f0; background: #f8fafc; padding: 10px; max-width: 450px;\"\u003e\u003cimg style=\"width: 100%; height: auto; max-width: 450px;\" src=\"https:\/\/www.micwlshop.com\/static\/media\/Amplifier\/Q6400-210.jpg\" alt=\"CA6400 4-Channel 5200W Digital Power Amplifier 1U Rack-Mount Front Panel with Running Status Indicators\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size: 13px; color: #64748b; margin-top: 8px; text-align: center;\"\u003e \u003c\/p\u003e\n\u003cp style=\"margin-top: 8px; text-align: left;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #64748b; font-family: Segoe UI, -apple-system, BlinkMacSystemFont, Roboto, Arial, sans-serif;\"\u003e\u003cspan style=\"font-size: 13px;\"\u003eModel：\u003cspan style=\"white-space: pre;\"\u003e \u003c\/span\u003eCA-6400W\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin-top: 8px; text-align: left;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #64748b; font-family: Segoe UI, -apple-system, BlinkMacSystemFont, Roboto, Arial, sans-serif;\"\u003e\u003cspan style=\"font-size: 13px;\"\u003e4 Channel  Power Amplifier: (6400W PEAK)\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin-top: 8px; text-align: left;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #64748b; font-family: Segoe UI, -apple-system, BlinkMacSystemFont, Roboto, Arial, sans-serif;\"\u003e\u003cspan style=\"font-size: 13px;\"\u003e5200 Watts @ 4 Ohms  RMS  ( 1300W + 1300W + 1300W + 1300W)\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin-top: 8px; text-align: left;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #64748b; font-family: Segoe UI, -apple-system, BlinkMacSystemFont, Roboto, Arial, sans-serif;\"\u003e\u003cspan style=\"font-size: 13px;\"\u003e2600 Watts @ 8 Ohms  RMS ( 650W + 650W + 650W + 650W )\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 28px;\"\u003e\n\u003cdiv style=\"background: #eef3ff; border-left: 5px solid #162447; padding-top: 14px; padding-right: 16px; padding-bottom: 14px;\"\u003e\n\u003cspan style=\"color: #162447; font-size: 15px; margin-bottom: 4px;\"\u003e\u003cstrong\u003e🔊 CA-6400W: 6400W PEAK High-Power Output\u003c\/strong\u003e\u003c\/span\u003e \u003cspan style=\"color: #333; font-size: 14px;\"\u003e4 independent channels with 1300W each @ 4Ω and 650W each @ 8Ω, handling extremely heavy speaker arrays\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #eef3ff; border-left: 5px solid #162447; padding: 14px 16px;\"\u003e\n\u003cstrong style=\"color: #162447; font-size: 15px; margin-bottom: 4px;\"\u003e🔌 Drive Up to 4 Speakers\u003c\/strong\u003e \u003cspan style=\"color: #333; font-size: 14px;\"\u003e4 separate XLR\/RCA channels allow you to connect 4 passive PA speakers simultaneously for wide coverage\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #eef3ff; border-left: 5px solid #162447; padding: 14px 16px;\"\u003e\n\u003cstrong style=\"color: #162447; font-size: 15px; margin-bottom: 4px;\"\u003e📦 Ultra-Compact 1U Rack Chassis\u003c\/strong\u003e \u003cspan style=\"color: #333; font-size: 14px;\"\u003eLightweight slim metal housing, saving valuable rack space for professional mobile touring or fixed installs\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #eef3ff; border-left: 5px solid #162447; padding: 14px 16px;\"\u003e\n\u003cstrong style=\"color: #162447; font-size: 15px; margin-bottom: 4px;\"\u003e🔧 Pro Interfaces \u0026amp; Selectable Voltage\u003c\/strong\u003e \u003cspan style=\"color: #333; font-size: 14px;\"\u003eEquipped with 4-channel XLR\/RCA inputs, binding post outputs, and switchable 100-120VAC or 220-240VAC power supply\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #eef3ff; border-left: 5px solid #162447; padding: 14px 16px;\"\u003e \u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"color: #1a1a2e; font-size: 22px; font-weight: bold; margin: 0 0 14px 0; padding-bottom: 10px; border-bottom: 3px solid #162447;\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp style=\"font-size: 16px; color: #333; margin: 0 0 24px 0;\"\u003eThe \u003cstrong style=\"color: #162447;\"\u003eCA-6400W 4-Channel Digital Power Amplifier\u003c\/strong\u003e is a high-performance professional audio powerhouse engineered for large-scale live stage performances, KTV bars, commercial conferences, and outdoor events. Delivering a massive \u003cstrong style=\"color: #c0392b;\"\u003e6400W PEAK at 4 ohms (1300W x 4 channels)\u003c\/strong\u003e and 2600W RMS at 8 ohms, it provides immense driving force to power up to four high-load PA speakers simultaneously. Featuring \u003cstrong style=\"color: #162447;\"\u003e4 independent XLR\/RCA input channels\u003c\/strong\u003e, this amplifier supports multi-zone sound distribution and complex system configurations. The \u003cstrong style=\"color: #162447;\"\u003eultra-compact 1U rack-mountable metal chassis\u003c\/strong\u003e is built for space efficiency and durability. With a \u003cstrong style=\"color: #162447;\"\u003edual-voltage selector (100-120VAC or 220-240VAC)\u003c\/strong\u003e, the CA6400 offers the versatility and global compatibility audio professionals depend on for their largest gigs and installations.\u003c\/p\u003e\n\u003ch2 style=\"color: #1a1a2e; font-size: 22px; font-weight: bold; margin: 28px 0 14px 0; padding-bottom: 10px; border-bottom: 3px solid #162447;\"\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e\n\u003cdiv style=\"background: #f9fbfc; border: 1px solid #dde4ea; padding: 22px 24px; margin-bottom: 24px;\"\u003e\n\u003cdiv style=\"margin-bottom: 16px;\"\u003e\n\u003ch3 style=\"color: #162447; font-size: 17px; font-weight: bold; margin: 0 0 6px 0;\"\u003e🔹 4-Channel High-Thrust Output for Heavy Loads\u003c\/h3\u003e\n\u003cp style=\"margin: 0; color: #444; font-size: 15px;\"\u003eThe CA-6400W provides robust power delivery across 4 channels, providing \u003cstrong style=\"color: #c0392b;\"\u003e1300W RMS per channel at 4 ohms\u003c\/strong\u003e (5200W total) and 650W per channel at 8 ohms. This power easily drives multiple passive speakers, stage monitors, and subwoofers with headroom to spare for dynamic live performances.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 16px;\"\u003e\n\u003ch3 style=\"color: #162447; font-size: 17px; font-weight: bold; margin: 0 0 6px 0;\"\u003e🔹 Expand Your Audio Coverage with 4 Channels\u003c\/h3\u003e\n\u003cp style=\"margin: 0; color: #444; font-size: 15px;\"\u003eUnlike standard 2-channel amplifiers, this unit features \u003cstrong style=\"color: #c0392b;\"\u003e4 independent XLR and RCA input channels\u003c\/strong\u003e. It allows you to drive four separate passive PA speakers or subwoofers independently, making it incredibly adaptable for larger venues, multi-room setups, and complex array configurations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 16px;\"\u003e\n\u003ch3 style=\"color: #162447; font-size: 17px; font-weight: bold; margin: 0 0 6px 0;\"\u003e🔹 Lightweight 1U Rack-Mount for Space Efficiency\u003c\/h3\u003e\n\u003cp style=\"margin: 0; color: #444; font-size: 15px;\"\u003eHoused in a robust \u003cstrong style=\"color: #c0392b;\"\u003e1U rack-mountable metal chassis\u003c\/strong\u003e, the CA6400 packs high power into a slim profile. It saves significant space in standard 19-inch equipment racks, allowing you to fit more audio gear into mobile flight cases or compact server rooms.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 16px;\"\u003e\n\u003ch3 style=\"color: #162447; font-size: 17px; font-weight: bold; margin: 0 0 6px 0;\"\u003e🔹 Professional Inputs\/Outputs \u0026amp; Dual Voltage Support\u003c\/h3\u003e\n\u003cp style=\"margin: 0; color: #444; font-size: 15px;\"\u003eDesigned with \u003cstrong style=\"color: #c0392b;\"\u003eXLR and RCA inputs\u003c\/strong\u003e for versatile source connections, and durable speaker binding post outputs for secure, reliable wiring. Crucially, it supports a \u003cstrong style=\"color: #162447;\"\u003eselectable dual power supply (100-120VAC or 220-240VAC)\u003c\/strong\u003e, making it effortless to deploy in different global regions without external transformers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 0;\"\u003e\n\u003ch3 style=\"color: #162447; font-size: 17px; font-weight: bold; margin: 0 0 6px 0;\"\u003e🔹 Built for Professional Users and Diverse Scenarios\u003c\/h3\u003e\n\u003cp style=\"margin: 0; color: #444; font-size: 15px;\"\u003eSpecifically tailored for \u003cstrong style=\"color: #c0392b;\"\u003eprofessional touring sound engineers, large KTV \u0026amp; bar system integrators, and high-end audio enthusiasts\u003c\/strong\u003e. Whether it's energizing a \u003cstrong style=\"color: #c0392b;\"\u003emassive concert stage\u003c\/strong\u003e, powering the audio in a \u003cstrong style=\"color: #c0392b;\"\u003elarge conference hall\u003c\/strong\u003e, or delivering non-stop playback in a \u003cstrong style=\"color: #c0392b;\"\u003ebustling nightclub\u003c\/strong\u003e, the CA6400 delivers dependable performance day in and day out.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"color: #1a1a2e; font-size: 22px; font-weight: bold; margin: 28px 0 14px 0; padding-bottom: 10px; border-bottom: 3px solid #162447;\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom: 28px;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 14px; border: 1px solid #dde4ea;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: #1a1a2e; color: #ffffff;\"\u003e\n\u003cth style=\"padding: 12px 16px; text-align: left; font-weight: 600; width: 40%;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"padding: 12px 16px; text-align: left; font-weight: 600; width: 60%;\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #ffffff;\"\u003e\n\u003ctd style=\"padding: 10px 16px; border-bottom: 1px solid #eee; font-weight: 600;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 16px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong style=\"color: #c0392b;\"\u003eCA-6400W 4CH Digital Amp\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f9fafb;\"\u003e\n\u003ctd style=\"padding: 10px 16px; border-bottom: 1px solid #eee; font-weight: 600;\"\u003eChannels\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 16px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong style=\"color: #c0392b;\"\u003e4 Channel\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #ffffff;\"\u003e\n\u003ctd style=\"padding: 10px 16px; border-bottom: 1px solid #eee; font-weight: 600;\"\u003ePower Output RMS @ 4Ω\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 16px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong style=\"color: #c0392b;\"\u003e5200W (1300W x 4)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f9fafb;\"\u003e\n\u003ctd style=\"padding: 10px 16px; border-bottom: 1px solid #eee; font-weight: 600;\"\u003ePower Output RMS @ 8Ω\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 16px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong style=\"color: #c0392b;\"\u003e2600W (650W x 4)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #ffffff;\"\u003e\n\u003ctd style=\"padding: 10px 16px; border-bottom: 1px solid #eee; font-weight: 600;\"\u003eInputs\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 16px; border-bottom: 1px solid #eee;\"\u003eRCA, XLR (4 Channels)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f9fafb;\"\u003e\n\u003ctd style=\"padding: 10px 16px; border-bottom: 1px solid #eee; font-weight: 600;\"\u003eOutputs\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 16px; border-bottom: 1px solid #eee;\"\u003eSpeaker Terminals (Binding Posts)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #ffffff;\"\u003e\n\u003ctd style=\"padding: 10px 16px; border-bottom: 1px solid #eee; font-weight: 600;\"\u003eVoltage\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 16px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong style=\"color: #c0392b;\"\u003e100-120VAC \/ 220-240VAC, 50\/60Hz (Selectable)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f9fafb;\"\u003e\n\u003ctd style=\"padding: 10px 16px; border-bottom: 1px solid #eee; font-weight: 600;\"\u003eForm Factor\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 16px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong style=\"color: #c0392b;\"\u003e1U Rack-Mountable Metal Chassis\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #ffffff;\"\u003e\n\u003ctd style=\"padding: 10px 16px; border-bottom: 1px solid #eee; font-weight: 600;\"\u003eAmplifier Class\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 16px; border-bottom: 1px solid #eee;\"\u003eClass-D Digital\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f9fafb;\"\u003e\n\u003ctd style=\"padding: 10px 16px; font-weight: 600;\"\u003eIndicators\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 16px;\"\u003eRunning Status LEDs (Power, Signal, Clip)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"color: #1a1a2e; font-size: 22px; font-weight: bold; margin: 28px 0 14px 0; padding-bottom: 10px; border-bottom: 3px solid #162447;\"\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cdiv style=\"background: #f0f7f4; border: 1px solid #c3e6d1; padding: 20px 24px; margin-bottom: 28px;\"\u003e\n\u003cul style=\"list-style: none; padding: 0; margin: 0;\"\u003e\n\u003cli style=\"padding: 4px 0; font-size: 15px; color: #1a3a2a;\"\u003e✅ 1× CA-6400W 4-Channel 1U Power Amplifier\u003c\/li\u003e\n\u003cli style=\"padding: 4px 0; font-size: 15px; color: #1a3a2a;\"\u003e✅ 1× AC Power Cord\u003c\/li\u003e\n\u003cli style=\"padding: 4px 0; font-size: 15px; color: #1a3a2a;\"\u003e✅ 1× User Manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"color: #1a1a2e; font-size: 22px; font-weight: bold; margin: 28px 0 14px 0; padding-bottom: 10px; border-bottom: 3px solid #162447;\"\u003eIdeal Applications\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom: 28px;\"\u003e\n\u003cspan style=\"background: #e8f0f6; color: #162447; padding: 8px 16px; font-size: 14px; font-weight: 500; margin: 4px;\"\u003e🎤 Large Live Stage \u0026amp; Concerts\u003c\/span\u003e \u003cspan style=\"background: #e8f0f6; color: #162447; padding: 8px 16px; font-size: 14px; font-weight: 500; margin: 4px;\"\u003e🎬 Large KTV \u0026amp; Entertainment Bars\u003c\/span\u003e \u003cspan style=\"background: #e8f0f6; color: #162447; padding: 8px 16px; font-size: 14px; font-weight: 500; margin: 4px;\"\u003e🍸 Nightclubs \u0026amp; Pubs\u003c\/span\u003e \u003cspan style=\"background: #e8f0f6; color: #162447; padding: 8px 16px; font-size: 14px; font-weight: 500; margin: 4px;\"\u003e💼 Corporate Conference Halls\u003c\/span\u003e \u003cspan style=\"background: #e8f0f6; color: #162447; padding: 8px 16px; font-size: 14px; font-weight: 500; margin: 4px;\"\u003e⛪ Houses of Worship\u003c\/span\u003e \u003cspan style=\"background: #e8f0f6; color: #162447; padding: 8px 16px; font-size: 14px; font-weight: 500; margin: 4px;\"\u003e🎧 Professional Touring Sound Rigs\u003c\/span\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"color: #1a1a2e; font-size: 22px; font-weight: bold; margin: 28px 0 14px 0; padding-bottom: 10px; border-bottom: 3px solid #162447;\"\u003eCompatibility \u0026amp; Certifications\u003c\/h2\u003e\n\u003cdiv style=\"background: #f4f7f9; border: 1px solid #dde4ea; padding: 20px 24px; margin-bottom: 28px;\"\u003e\n\u003ch3 style=\"color: #162447; font-size: 17px; font-weight: bold; margin: 0 0 12px 0;\"\u003e🔌 System Compatibility\u003c\/h3\u003e\n\u003cul style=\"margin: 0 0 20px 20px; padding: 0; color: #444; font-size: 15px;\"\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eRack Mount:\u003c\/strong\u003e Fits standard 19-inch equipment racks (1U height).\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eSpeaker Load:\u003c\/strong\u003e Compatible with 4Ω and 8Ω passive speakers and subwoofers.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eInput Source:\u003c\/strong\u003e Works seamlessly with professional mixers, audio interfaces, and preamps via 4 independent XLR or RCA inputs.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eMulti-Zone Setup:\u003c\/strong\u003e Perfectly supports 4 independent speaker zones or mono setups for large arrays.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"color: #162447; font-size: 17px; font-weight: bold; margin: 0 0 12px 0;\"\u003e🏅 Product Certifications\u003c\/h3\u003e\n\u003cul style=\"margin: 0 0 0 20px; padding: 0; color: #444; font-size: 15px;\"\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eCE Certified:\u003c\/strong\u003e Complies with European safety and EMC standards.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eRoHS Compliant:\u003c\/strong\u003e Manufactured with restricted hazardous substances for environmental safety.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eFCC Standards:\u003c\/strong\u003e Meets US electromagnetic interference limits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"color: #1a1a2e; font-size: 22px; font-weight: bold; margin: 28px 0 14px 0; padding-bottom: 10px; border-bottom: 3px solid #162447;\"\u003eFrequently Asked Questions (FAQ)\u003c\/h2\u003e\n\u003cdiv style=\"background: #f9fbfc; border: 1px solid #dde4ea; padding: 20px 24px; margin-bottom: 28px;\"\u003e\n\u003ch3 style=\"color: #162447; font-size: 16px; font-weight: bold; margin: 0 0 6px 0;\"\u003eQ: What is the recommended speaker impedance for the CA-6400W?\u003c\/h3\u003e\n\u003cp style=\"margin: 0 0 16px 0; color: #444; font-size: 15px;\"\u003eA: The CA-6400W operates optimally with 8Ω and 4Ω speaker loads.  we recommend 8Ω setups.\u003c\/p\u003e\n\u003ch3 style=\"color: #162447; font-size: 16px; font-weight: bold; margin: 0 0 6px 0;\"\u003eQ: How many speakers can I connect to this amplifier?\u003c\/h3\u003e\n\u003cp style=\"margin: 0 0 16px 0; color: #444; font-size: 15px;\"\u003eA: It features 4 independent amplification channels. You can easily connect up to 4 passive PA speakers or subwoofers simultaneously, ideal for wide coverage areas.\u003c\/p\u003e\n\u003ch3 style=\"color: #162447; font-size: 16px; font-weight: bold; margin: 0 0 6px 0;\"\u003eQ: What power voltage does it support? Can I use it overseas?\u003c\/h3\u003e\n\u003cp style=\"margin: 0 0 16px 0; color: #444; font-size: 15px;\"\u003eA:  100-120VAC (for US\/Japan) OR 220-240VAC (for EU\/UK\/Australia) to use.\u003c\/p\u003e\n\u003ch3 style=\"color: #162447; font-size: 16px; font-weight: bold; margin: 0 0 6px 0;\"\u003eQ: Can I use this amplifier to drive passive PA speakers?\u003c\/h3\u003e\n\u003cp style=\"margin: 0 0 0px 0; color: #444; font-size: 15px;\"\u003eA: Absolutely. The 4-channel binding post outputs are designed to connect seamlessly with standard passive PA speakers and stage monitors.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"color: #1a1a2e; font-size: 22px; font-weight: bold; margin: 28px 0 14px 0; padding-bottom: 10px; border-bottom: 3px solid #162447;\"\u003eShipping \u0026amp; Warranty Services\u003c\/h2\u003e\n\u003cdiv style=\"background: #f0faf4; border: 1px solid #b9d9c1; padding: 20px 24px; margin-bottom: 28px;\"\u003e\n\u003ch3 style=\"color: #167a3c; font-size: 17px; font-weight: bold; margin: 0 0 12px 0;\"\u003e🚚 Global Shipping Options\u003c\/h3\u003e\n\u003cul style=\"margin: 0 0 20px 20px; padding: 0; color: #333; font-size: 15px;\"\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eFast Express (FedEx\/UPS\/DHL):\u003c\/strong\u003e 5-10 business days worldwide. Tracking number provided.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eAir Freight:\u003c\/strong\u003e 7-15 business days for bulk orders.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eSea Shipping:\u003c\/strong\u003e Cost-effective option for large OEM\/ODM orders. Usually takes 30-45 days.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eLocal Warehousing:\u003c\/strong\u003e Quick dispatch from our overseas warehouses (US\/EU) for select products.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"color: #167a3c; font-size: 17px; font-weight: bold; margin: 0 0 12px 0;\"\u003e🛡️ Quality Warranty \u0026amp; After-Sales\u003c\/h3\u003e\n\u003cul style=\"margin: 0 0 0 20px; padding: 0; color: #333; font-size: 15px;\"\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003e1-Year Manufacturer Warranty:\u003c\/strong\u003e Covers any manufacturing defects (excluding user-inflicted damage).\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eProfessional Support:\u003c\/strong\u003e Our technical team provides email support and troubleshooting guidance within 24 hours.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eEasy Returns:\u003c\/strong\u003e If you receive a damaged item, contact us immediately for a replacement or repair.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #fffbf0; border: 1px solid #f0d78c; padding: 18px 24px; margin-bottom: 28px;\"\u003e\n\u003cp style=\"margin: 0; font-size: 15px; color: #6b4c00;\"\u003e🛡️ \u003cstrong style=\"color: #b45309;\"\u003eAuthorized Dealer Warranty:\u003c\/strong\u003e This product is brand new in original packaging, sold by \u003cstrong style=\"color: #b45309;\"\u003eMiCWL Audio Inc.\u003c\/strong\u003e as an authorized dealer. Covered by a \u003cstrong style=\"color: #b45309;\"\u003e1-Year Manufacturer Warranty\u003c\/strong\u003e. Buy with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #0f0f1a; padding: 28px; text-align: center; margin-top: 32px;\"\u003e\n\u003ch3 style=\"color: #ffffff; font-size: 20px; font-weight: bold; margin: 0 0 8px 0;\"\u003e📩 Have Questions or Need a Custom Configuration?\u003c\/h3\u003e\n\u003cp style=\"color: #c5d5e8; font-size: 15px; margin: 0 0 16px 0;\"\u003eIf you have any questions about this 4-channel power amplifier, need help with system matching, or want to discuss bulk \/ custom OEM orders — our team is ready to assist you.\u003c\/p\u003e\n\u003ca style=\"background: #ffffff; color: #1a1a2e; padding: 12px 32px; font-size: 16px; font-weight: bold; text-decoration: none;\" href=\"mailto:shop@micwlaudio.com\"\u003e ✉️ shop@micwlaudio.com \u003c\/a\u003e\n\u003cp style=\"color: #8899aa; font-size: 13px; margin: 12px 0 0 0;\"\u003e© 2026 MiCWL Audio Inc. All rights reserved.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"MiCWL Audio Official Store","offers":[{"title":"Default Title","offer_id":48942198096055,"sku":null,"price":288.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/0071\/8263\/files\/Q6400-213.jpg?v=1785461123","url":"https:\/\/www.micwlaudio.com\/products\/ca-6400-4-channel-digital-power-amplifier","provider":"MiCWL Audio Official Store","version":"1.0","type":"link"}