{"product_id":"stca500-63-r","title":"STCA500-63-R | REFURBISHED: 500W 70V\/100V Stereo\/Mono 6-Zone Commercial Amplifier w\/ Bluetooth, USB, Optical Input for Restaurants, Bars, Multi-Room Installation","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e\u003cspan style=\"color: #ff2a00;\"\u003eRefurbished Condition:\u003c\/span\u003e\u003cem\u003e \u003cspan style=\"color: #808080;\"\u003e100% testing and function is in good condition while outside box worn out and small cosmetic dents. cosmetic damages will vary, including but not limited to, damaged or cracked, bent ears, scratches, dents, etc.\u003c\/span\u003e\u003c\/em\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Sound Town STCA500-63 is a professional 2-channel commercial power amplifier delivering 500W RMS (2 × 250W) in 70V\/100V operation, with additional support for 4–16Ω low-impedance speakers through its direct output terminals. Designed for multi-room installations, it features a dedicated 70V zone output section that provides three stereo or six mono zones using independent left and right volume controls per zone. This architecture offers exceptional flexibility for distributed audio environments while maintaining proper power routing and load management. An integrated clipping limiter helps safeguard both the amplifier and connected speakers from signal overload.\u003c\/p\u003e\n\u003cp\u003eThe amplifier offers comprehensive connectivity, including stereo RCA input\/output, Optical (SPDIF), Bluetooth streaming, a USB\/MP3 player, a recorder, and a built-in FM radio. Three microphone inputs are also provided, and all playback and source settings are conveniently managed through the clear front-panel LCD display.\u003c\/p\u003e\n\u003cp\u003eFor precise system tuning, the STCA500-63 provides six individual zone volume controls (Left and Right for each zone), along with master volume, left\/right balance, global bass and treble, and dedicated volume knobs for Line, MP3, and SPDIF sources. Microphone control is equally flexible, with MIC 1–3 level adjustments, echo control available on Mic 2 and Mic 3, and a Mic 1 priority function offering adjustable attenuation from 0–30 dB to ensure important announcements override background audio when needed. Its durability and feature set make it an excellent choice for restaurants, bars, lounges, schools, warehouses, and other commercial environments.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eFEATURES\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-CHANNEL AMP WITH 3-STEREO \/ 6-MONO ZONES:\u003c\/strong\u003e The Sound Town STCA500-63 delivers 2 × 250W RMS in 70V\/100V operation through its direct output terminals, which also support 4–16Ω low-impedance speakers. A separate 70V zone output section provides three stereo or six mono zones with individual left and right volume controls, ideal for distributed multi-room installations. \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCOMPREHENSIVE CONNECTIVITY:\u003c\/strong\u003e Includes RCA input\/output and three microphone inputs, plus an Optical (SPDIF) input, Bluetooth streaming, a USB port, a recorder, and a built-in FM radio, with playback functions managed through a clear front-panel LCD display. \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePRECISION AUDIO CONTROL:\u003c\/strong\u003e Zones 1–3 include separate Left and Right volume knobs (six total) for precise level adjustment in each area. Additional controls include master volume, left\/right balance, global bass and treble, individual MIC 1–3 levels with dedicated echo control on Mic 2 and Mic 3, and dedicated volume knobs for Line, MP3, and SPDIF inputs. Mic 1 also features a priority mute function with adjustable attenuation (0–30 dB) to ensure announcements are heard clearly. \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBUILT FOR DURABILITY AND SAFETY:\u003c\/strong\u003e An integrated clipping limiter prevents the amplifier and connected speakers from signal overload, while the rugged cast aluminum front panel, heavy-duty metal chassis, and 2U rack-mountable design ensure reliable performance. Ideal for venues such as restaurants, bars, schools, and warehouses.  \u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eSPECIFICATIONS\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong style=\"font-size: 18px;\"\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"height: 254.719px;\" width=\"100%\" border=\"0\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"height: 19.5938px;\" width=\"30%\" bgcolor=\"#F2F2F2\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"height: 19.5938px;\" width=\"70%\"\u003eSTCA500-63\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"height: 19.5938px;\" bgcolor=\"#F2F2F2\"\u003eOutput Power\u003c\/td\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003e 2 x 250W RMS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"height: 19.5938px;\" bgcolor=\"#F2F2F2\"\u003eOutput Type\u003c\/td\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003e70V \/ 100V \/ 4–16Ω\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"height: 19.5938px;\" bgcolor=\"#F2F2F2\"\u003eMic Input\u003c\/td\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003e 3 mV, 600Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"height: 19.5938px;\" bgcolor=\"#F2F2F2\"\u003eLine Input\u003c\/td\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003e 200 mV, 10 kΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"height: 19.5938px;\" bgcolor=\"#F2F2F2\"\u003eFrequency Range\u003c\/td\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003e 50 Hz - 20 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"height: 19.5938px;\" bgcolor=\"#F2F2F2\"\u003eTHD (Distortion)\u003c\/td\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003e 0.5% (at 1 kHz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"height: 19.5938px;\" bgcolor=\"#F2F2F2\"\u003eS\/N Ratio (AUX)\u003c\/td\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003e 88 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"height: 19.5938px;\" bgcolor=\"#F2F2F2\"\u003eS\/N Ratio (MIC)\u003c\/td\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003e 116 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"height: 19.5938px;\" bgcolor=\"#F2F2F2\"\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003e 110V - 230V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong style=\"font-size: 18px;\"\u003e\u003cbr\u003eDimension \u0026amp; Weight\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\" border=\"0\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"25%\" bgcolor=\"#F2F2F2\"\u003eProduct Width (in.)\u003c\/td\u003e\n\u003ctd width=\"25%\"\u003e19.0\"\u003c\/td\u003e\n\u003ctd width=\"25%\" bgcolor=\"#F2F2F2\"\u003ePackage Width (in.)\u003c\/td\u003e\n\u003ctd width=\"25%\"\u003e21.8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd bgcolor=\"#F2F2F2\"\u003eProduct Height (in.)\u003c\/td\u003e\n\u003ctd\u003e3.5\"\u003c\/td\u003e\n\u003ctd bgcolor=\"#F2F2F2\"\u003ePackage Height (in.)\u003c\/td\u003e\n\u003ctd\u003e7.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd bgcolor=\"#F2F2F2\"\u003eProduct Depth (in.)\u003c\/td\u003e\n\u003ctd\u003e16.1\"\u003c\/td\u003e\n\u003ctd bgcolor=\"#F2F2F2\"\u003ePackage Depth (in.)\u003c\/td\u003e\n\u003ctd\u003e21.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd bgcolor=\"#F2F2F2\"\u003eProduct Weight (lb.)\u003c\/td\u003e\n\u003ctd\u003e33.5 lbs\u003c\/td\u003e\n\u003ctd bgcolor=\"#F2F2F2\"\u003ePackage Weight (lb.)\u003c\/td\u003e\n\u003ctd\u003e38.6 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong style=\"font-size: 18px;\"\u003e\u003cbr\u003eWarranty\/Certifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\" border=\"0\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"30%\" bgcolor=\"#F2F2F2\"\u003eManufacturer Warranty\u003c\/td\u003e\n\u003ctd width=\"70%\"\u003e\u003cspan\u003e180 Days (6 Months)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch5\u003eFAQ\u003c\/h5\u003e\n\u003cp style=\"font-size: 1.1em; font-weight: 600; margin-bottom: 6px;\"\u003eQ: What speaker wire should be used for this system?\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 8px 0;\"\u003eA: Speaker wire is not included. To ensure optimal performance and minimize signal loss, select the appropriate wire gauge based on the distance between your amplifier and speakers:\u003c\/p\u003e\n\u003ctable style=\"width: 100%; max-width: 420px; border-collapse: collapse; font-size: 0.95em;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50%; padding: 6px 8px; border-bottom: 1px solid #ddd; background-color: #f2f2f2; font-style: normal !important;\"\u003e\u003cstrong\u003eDistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 50%; padding: 6px 8px; border-bottom: 1px solid #ddd; font-style: normal !important;\"\u003e\u003cstrong\u003eWire Gauge\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 4px 8px; background-color: #f2f2f2;\"\u003e10–15 ft\u003c\/td\u003e\n\u003ctd style=\"padding: 4px 8px;\"\u003e18 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 4px 8px; background-color: #f2f2f2;\"\u003e15–25 ft\u003c\/td\u003e\n\u003ctd style=\"padding: 4px 8px;\"\u003e16 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 4px 8px; background-color: #f2f2f2;\"\u003e25–50 ft\u003c\/td\u003e\n\u003ctd style=\"padding: 4px 8px;\"\u003e14 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 4px 8px; background-color: #f2f2f2;\"\u003e50–100 ft\u003c\/td\u003e\n\u003ctd style=\"padding: 4px 8px;\"\u003e12 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 4px 8px; background-color: #f2f2f2;\"\u003eOver 100 ft\u003c\/td\u003e\n\u003ctd style=\"padding: 4px 8px;\"\u003e10 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"margin-top: 8px;\"\u003eUsing a thicker (lower gauge) wire for longer runs helps maintain signal strength and overall audio quality.\u003c\/p\u003e\n\u003ch5\u003eDOWNLOADS\u003c\/h5\u003e\n\u003cp\u003e\u003ca title=\"Sound Town STCA500-63 User Manual\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2486\/2094\/files\/STCA500-63-User-Manual.pdf?v=1765997067\" rel=\"noopener\" target=\"_blank\"\u003eSTCA500-63 User Manual\u003c\/a\u003e\u003c\/p\u003e","brand":"Sound Town","offers":[{"title":"Default Title","offer_id":51463324991721,"sku":"STCA500-63-R","price":249.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2486\/2094\/files\/STCA500-63-500W-70V-100V-Stereo-Mono-6-Zone-Commercial-Amplifier-Bluetooth-Installation-Front-View.jpg?v=1782807725","url":"https:\/\/www.soundtown.com\/products\/stca500-63-r","provider":"Sound Town","version":"1.0","type":"link"}