{"product_id":"w4u-rl4","title":"Studiomaster W4U-RL4 - 4 channel digital wireless system with 4 beltpack transmitters","description":"\u003cp\u003eThe Studiomaster W4U-RL4 is a 4-channel digital wireless system designed for professional sound reinforcement applications including mobile performances, auditorium sound reinforcement, speeches, conferences, education and training, religious venues, and government meetings. The system includes one 4-channel receiver and four beltpack transmitters, allowing all 4 channels to be used simultaneously. Suitable for a wide variety of entertainment and professional audio environments.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e4-channel digital wireless receiver\u003c\/li\u003e\n\u003cli\u003eIncludes 4 beltpack transmitters\u003c\/li\u003e\n\u003cli\u003eAll 4 channels usable simultaneously\u003c\/li\u003e\n\u003cli\u003eIdeal for live performance, conferences, education, and houses of worship\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin-top:24px;font-size:15px\"\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable style=\"border-collapse:collapse;width:100%;font-size:13px;margin-top:8px\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:45%;color:#555;padding:6px 10px;border:1px solid #e0e0e0;background:#f9f9f9\"\u003e\u003cstrong\u003eFrequency Response\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #e0e0e0\"\u003e20Hz - 20KHz (+1dB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:45%;color:#555;padding:6px 10px;border:1px solid #e0e0e0;background:#f9f9f9\"\u003e\u003cstrong\u003eCarrier Wave Frequency Band\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #e0e0e0\"\u003eUHF 520-580MHz \/ 610-690MHz \/ 707-757MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:45%;color:#555;padding:6px 10px;border:1px solid #e0e0e0;background:#f9f9f9\"\u003e\u003cstrong\u003eBandwidth\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #e0e0e0\"\u003e40MHz - 80MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:45%;color:#555;padding:6px 10px;border:1px solid #e0e0e0;background:#f9f9f9\"\u003e\u003cstrong\u003eNumber of Channels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #e0e0e0\"\u003e400\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:45%;color:#555;padding:6px 10px;border:1px solid #e0e0e0;background:#f9f9f9\"\u003e\u003cstrong\u003eFrequency Sync\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #e0e0e0\"\u003eOne button IR frequency sync\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:45%;color:#555;padding:6px 10px;border:1px solid #e0e0e0;background:#f9f9f9\"\u003e\u003cstrong\u003eModulation Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #e0e0e0\"\u003eFM (Frequency Modulation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:45%;color:#555;padding:6px 10px;border:1px solid #e0e0e0;background:#f9f9f9\"\u003e\u003cstrong\u003ePilot Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #e0e0e0\"\u003e30.27KHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:45%;color:#555;padding:6px 10px;border:1px solid #e0e0e0;background:#f9f9f9\"\u003e\u003cstrong\u003eRF Sensitivity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #e0e0e0\"\u003e\u0026lt;-99dBm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:45%;color:#555;padding:6px 10px;border:1px solid #e0e0e0;background:#f9f9f9\"\u003e\u003cstrong\u003eImage Suppression\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #e0e0e0\"\u003e\u0026gt;80dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:45%;color:#555;padding:6px 10px;border:1px solid #e0e0e0;background:#f9f9f9\"\u003e\u003cstrong\u003eFrequency Stability\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #e0e0e0\"\u003e±0.005% (-10°C to 60°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:45%;color:#555;padding:6px 10px;border:1px solid #e0e0e0;background:#f9f9f9\"\u003e\u003cstrong\u003eDynamic Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #e0e0e0\"\u003e90dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:45%;color:#555;padding:6px 10px;border:1px solid #e0e0e0;background:#f9f9f9\"\u003e\u003cstrong\u003eMaximum Frequency Deviation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #e0e0e0\"\u003e±45KHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:45%;color:#555;padding:6px 10px;border:1px solid #e0e0e0;background:#f9f9f9\"\u003e\u003cstrong\u003eSignal-to-Noise Ratio\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #e0e0e0\"\u003e\u0026gt;85dB (A-weighted)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:45%;color:#555;padding:6px 10px;border:1px solid #e0e0e0;background:#f9f9f9\"\u003e\u003cstrong\u003eTotal Harmonic Distortion\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #e0e0e0\"\u003e\u0026lt;0.5% @ 1KHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:45%;color:#555;padding:6px 10px;border:1px solid #e0e0e0;background:#f9f9f9\"\u003e\u003cstrong\u003eAudio Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #e0e0e0\"\u003eBalanced XLR: +5dBV \/ Unbalanced TS 6.35mm: +5dBV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:45%;color:#555;padding:6px 10px;border:1px solid #e0e0e0;background:#f9f9f9\"\u003e\u003cstrong\u003eAudio Output Impedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #e0e0e0\"\u003eBalanced XLR: 6.6kΩ \/ Unbalanced: 440Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:45%;color:#555;padding:6px 10px;border:1px solid #e0e0e0;background:#f9f9f9\"\u003e\u003cstrong\u003eVolume Control\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #e0e0e0\"\u003e30-level electronic volume control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:45%;color:#555;padding:6px 10px;border:1px solid #e0e0e0;background:#f9f9f9\"\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #e0e0e0\"\u003e1.77\" TFT color full view display\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:45%;color:#555;padding:6px 10px;border:1px solid #e0e0e0;background:#f9f9f9\"\u003e\u003cstrong\u003eControl Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #e0e0e0\"\u003eRS485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:45%;color:#555;padding:6px 10px;border:1px solid #e0e0e0;background:#f9f9f9\"\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #e0e0e0\"\u003e12V DC, 2000mA max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:45%;color:#555;padding:6px 10px;border:1px solid #e0e0e0;background:#f9f9f9\"\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #e0e0e0\"\u003e10W (4-channel)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:45%;color:#555;padding:6px 10px;border:1px solid #e0e0e0;background:#f9f9f9\"\u003e\u003cstrong\u003eWorking Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #e0e0e0\"\u003e-10°C to 60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:45%;color:#555;padding:6px 10px;border:1px solid #e0e0e0;background:#f9f9f9\"\u003e\u003cstrong\u003eWorking Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #e0e0e0\"\u003eUp to 80m (environment dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:45%;color:#555;padding:6px 10px;border:1px solid #e0e0e0;background:#f9f9f9\"\u003e\u003cstrong\u003ePackage Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #e0e0e0\"\u003e520 x 350 x 170mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:45%;color:#555;padding:6px 10px;border:1px solid #e0e0e0;background:#f9f9f9\"\u003e\u003cstrong\u003eTransmitter Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #e0e0e0\"\u003eBeltpack with lavalier\/headset input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Studiomaster","offers":[{"title":"Default Title","offer_id":52168756822290,"sku":"W4U-RL4","price":960.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0379\/2529\/0029\/files\/studiomaster-w4u-rl4-4-channel-wireless-system-with-4-beltpacks.jpg?v=1779153815","url":"https:\/\/sixstarpsl.com\/products\/w4u-rl4","provider":"SixStarPSL","version":"1.0","type":"link"}