{"product_id":"ad4q-4-ksm9-wireless-microphone","title":"AD4Q 4-Channel UHF Wireless Microphone System – 4× KSM9 Dual-Diaphragm Condenser Handheld Mics, 400 Channels, 500m Range","description":"\u003cp\u003e \u003c\/p\u003e\n\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: #1a1a2e; 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;\"\u003eAD4Q 4-Channel UHF Wireless Microphone System with KSM9\u003c\/h1\u003e\n\u003cp style=\"color: #c5d5e8; font-size: 17px; font-weight: 500; margin: 0;\"\u003e4× KSM9 Dual-Diaphragm Condenser Handheld Mics | 400 Channels | 300–500m Range | True Diversity | PLL Digital Synthesis\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 #0f3460;\"\u003eProduct Gallery\u003c\/h2\u003e\n\u003cdiv style=\"margin-top: 14px; max-width: 600px;\"\u003e\n\u003cdiv style=\"border: 1px solid #e2e8f0; background: #f8fafc;\"\u003e\u003cimg style=\"width: 100%; height: auto; margin-left: auto; margin-right: auto;\" src=\"https:\/\/www.micwlshop.com\/static\/media\/Wireless\/4-Channel\/MiCWL-AD4Q-Microphone-8.jpg\" alt=\"AD4Q 4-channel UHF wireless microphone system complete kit with 4 KSM9 dual-diaphragm condenser handheld mics 400 channels LED receiver for stage performance church school conference\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size: 13px; color: #64748b; margin-top: 8px; text-align: center;\"\u003eClick image to enlarge. Actual product may vary slightly.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 28px;\"\u003e\n\u003cdiv style=\"background: #eef3ff; border-left: 5px solid #0f3460; padding: 14px 16px;\"\u003e\n\u003cstrong style=\"color: #0f3460; font-size: 15px; margin-bottom: 4px;\"\u003e🎤 4× KSM9 Condenser Mics\u003c\/strong\u003e \u003cspan style=\"color: #333; font-size: 14px;\"\u003eDual-diaphragm, switchable supercardioid\/cardioid\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #eef3ff; border-left: 5px solid #0f3460; padding: 14px 16px;\"\u003e\n\u003cstrong style=\"color: #0f3460; font-size: 15px; margin-bottom: 4px;\"\u003e📡 400 Channels \u0026amp; 500m Range\u003c\/strong\u003e \u003cspan style=\"color: #333; font-size: 14px;\"\u003e100 per receiver, 300–500m line-of-sight\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #eef3ff; border-left: 5px solid #0f3460; padding: 14px 16px;\"\u003e\n\u003cstrong style=\"color: #0f3460; font-size: 15px; margin-bottom: 4px;\"\u003e🔊 True Diversity UHF\u003c\/strong\u003e \u003cspan style=\"color: #333; font-size: 14px;\"\u003ePLL synthesis, ±0.001% stability, \u0026gt;60dB SNR\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #eef3ff; border-left: 5px solid #0f3460; padding: 14px 16px;\"\u003e\n\u003cstrong style=\"color: #0f3460; font-size: 15px; margin-bottom: 4px;\"\u003e🎛️ 4 XLR + 1 Mixed Output\u003c\/strong\u003e \u003cspan style=\"color: #333; font-size: 14px;\"\u003eBalanced \u0026amp; unbalanced, independent SQ control\u003c\/span\u003e\n\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 #0f3460;\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp style=\"font-size: 16px; color: #333; margin: 0 0 24px 0;\"\u003eThe \u003cstrong style=\"color: #0f3460;\"\u003eAD4Q 4-Channel UHF Wireless Microphone System with KSM9\u003c\/strong\u003e is a flagship professional wireless solution engineered for large-scale events and demanding live audio environments. Designed specifically for \u003cstrong style=\"color: #c0392b;\"\u003estage performances, band gigs, houses of worship, school auditoriums, and corporate conference rooms\u003c\/strong\u003e, this system includes a sleek 1U rack-mountable receiver and \u003cstrong style=\"color: #0f3460;\"\u003e4 premium KSM9 dual-diaphragm condenser handheld microphones\u003c\/strong\u003e with switchable supercardioid\/cardioid polar patterns. Featuring \u003cstrong style=\"color: #c0392b;\"\u003e400 user-adjustable UHF channels (100 per receiver), PLL digital phase-locked loop technology, and an impressive 300–500 meter line-of-sight range\u003c\/strong\u003e, the AD4Q delivers pristine, dropout-free audio that competitors simply cannot match at this price point. Each mic runs up to 12 hours on AA batteries, with a signature blue LED status ring for real-time monitoring—making this the ultimate all-in-one wireless solution for any professional audio setup.\u003c\/p\u003e\n\u003cdiv style=\"background: #fef9e7; border: 1px solid #f9e79f; padding: 18px 24px; margin-bottom: 24px;\"\u003e\n\u003cp style=\"margin: 0; font-size: 15px; color: #7d6608;\"\u003e✨ \u003cstrong style=\"color: #b7950b;\"\u003ePremium KSM9 Condenser Upgrade:\u003c\/strong\u003e This system features the \u003cstrong style=\"color: #b7950b;\"\u003eKSM9 dual-diaphragm condenser capsule\u003c\/strong\u003e — a significant upgrade from the KSM8 dynamic capsule. The KSM9's Class-A discrete transformerless preamplifier, dual 3\/4\" gold-layered Mylar diaphragms, and switchable supercardioid\/cardioid polar patterns deliver \u003cstrong style=\"color: #b7950b;\"\u003estudio-grade vocal clarity, exceptional detail, and precise articulation\u003c\/strong\u003e that discerning lead vocalists and professional presenters demand. Frequency response: 50 Hz–20 kHz.\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 #0f3460;\"\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: #0f3460; font-size: 17px; font-weight: bold; margin: 0 0 6px 0;\"\u003e🔹 4× KSM9 Dual-Diaphragm Condenser Mics — Studio-Grade Vocal Reproduction\u003c\/h3\u003e\n\u003cp style=\"margin: 0; color: #444; font-size: 15px;\"\u003eEach KSM9 handheld features \u003cstrong style=\"color: #c0392b;\"\u003epremium dual 3\/4\" gold-layered Mylar diaphragms\u003c\/strong\u003e with a \u003cstrong style=\"color: #c0392b;\"\u003eswitchable supercardioid\/cardioid polar pattern\u003c\/strong\u003e — the first handheld condenser microphone with this capability. The Class-A discrete transformerless preamplifier delivers \u003cstrong style=\"color: #0f2027;\"\u003epristine 50 Hz–20 kHz frequency response\u003c\/strong\u003e with exceptional vocal subtlety and clear articulation. Rated at \u003cstrong style=\"color: #c0392b;\"\u003e-43 ±3dB sensitivity @ 1 kHz\u003c\/strong\u003e with only 80 mA power consumption, each mic runs continuously for up to \u003cstrong style=\"color: #c0392b;\"\u003e12 hours on 3× AA batteries\u003c\/strong\u003e. The patented housing includes a \u003cstrong style=\"color: #c0392b;\"\u003esignature blue light ring\u003c\/strong\u003e that illuminates during operation for at-a-glance status monitoring on dark stages.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 16px;\"\u003e\n\u003ch3 style=\"color: #0f3460; font-size: 17px; font-weight: bold; margin: 0 0 6px 0;\"\u003e🔹 Advanced 4-Channel System Architecture with 400-Channel Flexibility\u003c\/h3\u003e\n\u003cp style=\"margin: 0; color: #444; font-size: 15px;\"\u003eEach of the 4 independent receivers offers \u003cstrong style=\"color: #c0392b;\"\u003e100 selectable channels\u003c\/strong\u003e (250 kHz spacing, 24.75 MHz per channel), totaling \u003cstrong style=\"color: #c0392b;\"\u003e400 user-adjustable UHF frequencies\u003c\/strong\u003e across the 610–670 MHz band. Up to \u003cstrong style=\"color: #c0392b;\"\u003e20 systems (80 transmitters)\u003c\/strong\u003e can operate simultaneously on the same stage without crosstalk, making this ideal for large-scale musicals, multi-act festivals, and multi-room conference centers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 16px;\"\u003e\n\u003ch3 style=\"color: #0f3460; font-size: 17px; font-weight: bold; margin: 0 0 6px 0;\"\u003e🔹 PLL Digital Synthesis \u0026amp; True Diversity for Unshakeable RF Stability\u003c\/h3\u003e\n\u003cp style=\"margin: 0; color: #444; font-size: 15px;\"\u003eAdvanced \u003cstrong style=\"color: #c0392b;\"\u003ephase-locked loop (PLL) digital lock-phase technology\u003c\/strong\u003e paired with chip-based circuitry ensures exceptional frequency stability of \u003cstrong style=\"color: #c0392b;\"\u003e±0.001%\u003c\/strong\u003e, eliminating drift and dropouts. True Diversity reception with 4 rubber receiving antennas delivers \u003cstrong style=\"color: #c0392b;\"\u003e300–500 meters line-of-sight range\u003c\/strong\u003e (80–200m in complex environments), with \u0026gt;60dB signal-to-noise ratio, \u0026lt;0.5% THD at 1kHz, and ≥100dB dynamic range—maintaining clean audio even in RF-congested concert venues and urban environments.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 16px;\"\u003e\n\u003ch3 style=\"color: #0f3460; font-size: 17px; font-weight: bold; margin: 0 0 6px 0;\"\u003e🔹 Switchable Polar Patterns — Adapt to Any Acoustic Environment\u003c\/h3\u003e\n\u003cp style=\"margin: 0; color: #444; font-size: 15px;\"\u003eUnlike fixed-pattern microphones, the KSM9's \u003cstrong style=\"color: #c0392b;\"\u003eswitchable supercardioid\/cardioid polar pattern\u003c\/strong\u003e provides unmatched flexibility: \u003cstrong style=\"color: #0f2027;\"\u003euse supercardioid\u003c\/strong\u003e for maximum feedback rejection and isolation on loud stages with floor monitors, or \u003cstrong style=\"color: #0f2027;\"\u003eswitch to cardioid\u003c\/strong\u003e for more forgiving pickup in conference rooms, houses of worship, and acoustic environments where a wider pickup area is preferred. One microphone adapts to every venue—no need for multiple mic types.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 0;\"\u003e\n\u003ch3 style=\"color: #0f3460; font-size: 17px; font-weight: bold; margin: 0 0 6px 0;\"\u003e🔹 Complete Package — Ready for Professional Deployment\u003c\/h3\u003e\n\u003cp style=\"margin: 0; color: #444; font-size: 15px;\"\u003eThe AD4Q ships as a turnkey solution with everything needed for immediate professional use: \u003cstrong style=\"color: #c0392b;\"\u003e1 × 4-channel digital receiver\u003c\/strong\u003e, \u003cstrong style=\"color: #c0392b;\"\u003e4 × KSM9 condenser handheld microphones\u003c\/strong\u003e, 1 × 1\/4-inch audio cable, 1 × universal AC-DC adapter (DC 12V–17V), 4 × antennas, and 1 × user manual. The receiver features a large LED display for real-time frequency monitoring, 4 independent SQ potentiometers, 4 balanced XLR outputs + 1 mixed unbalanced output, and a sleek 1U rack-mountable form factor that integrates seamlessly into any existing audio rack setup.\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 #0f3460;\"\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× AD4Q 4-Channel Digital Receiver (1U Rack-Mountable)\u003c\/li\u003e\n\u003cli style=\"padding: 4px 0; font-size: 15px; color: #1a3a2a;\"\u003e✅ 4× KSM9 Condenser Handheld Microphones\u003c\/li\u003e\n\u003cli style=\"padding: 4px 0; font-size: 15px; color: #1a3a2a;\"\u003e✅ 4× Rubber Antennas\u003c\/li\u003e\n\u003cli style=\"padding: 4px 0; font-size: 15px; color: #1a3a2a;\"\u003e✅ 1× 1\/4\" Audio Cable\u003c\/li\u003e\n\u003cli style=\"padding: 4px 0; font-size: 15px; color: #1a3a2a;\"\u003e✅ 1× Universal AC-DC Adapter (DC 12V–17V)\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 #0f3460;\"\u003eIdeal Applications\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom: 28px;\"\u003e\n\u003cspan style=\"background: #e8f0f6; color: #0f3460; padding: 8px 16px; font-size: 14px; font-weight: 500;\"\u003eStage Performance \u0026amp; Live Bands\u003c\/span\u003e \u003cspan style=\"background: #e8f0f6; color: #0f3460; padding: 8px 16px; font-size: 14px; font-weight: 500;\"\u003eHouses of Worship\u003c\/span\u003e \u003cspan style=\"background: #e8f0f6; color: #0f3460; padding: 8px 16px; font-size: 14px; font-weight: 500;\"\u003eSchool Auditoriums \u0026amp; Lectures\u003c\/span\u003e \u003cspan style=\"background: #e8f0f6; color: #0f3460; padding: 8px 16px; font-size: 14px; font-weight: 500;\"\u003eCorporate Conferences \u0026amp; Meetings\u003c\/span\u003e \u003cspan style=\"background: #e8f0f6; color: #0f3460; padding: 8px 16px; font-size: 14px; font-weight: 500;\"\u003eGovernment Assembly Rooms\u003c\/span\u003e \u003cspan style=\"background: #e8f0f6; color: #0f3460; padding: 8px 16px; font-size: 14px; font-weight: 500;\"\u003eOutdoor Festivals \u0026amp; Events\u003c\/span\u003e \u003cspan style=\"background: #e8f0f6; color: #0f3460; padding: 8px 16px; font-size: 14px; font-weight: 500;\"\u003eBroadcast \u0026amp; Live Streaming\u003c\/span\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: #1a1a2e; 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 the AD4Q KSM9 system, need a custom microphone capsule configuration, or would like to inquire about bulk \/ government 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 Inc","offers":[{"title":"Default Title","offer_id":48749923926272,"sku":null,"price":398.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0652\/7323\/3664\/files\/MiCWL-AD4Q-Wireless-Microphone-181.jpg?v=1779419335","url":"https:\/\/www.micwlmall.com\/products\/ad4q-4-ksm9-wireless-microphone","provider":"MiCWL Audio Inc","version":"1.0","type":"link"}