{"product_id":"qsc-spa4-100","title":"QSC {QSYS) SPA4-100","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\r\n\u003cp\u003e\u003cspan\u003eThe SPA4-100 four channel amplifier delivers 100 watts rms per channel into 4 or 8 ohms; the four channels can also be bridged in pairs, each pair providing up to 200 watts rms into 4 or 8 ohms. The SPA4-100 bridged pair channels can be switched into 70V or 100V direct drive mode providing up to 350 watts rms into a 70V or 100V output; when in 70V or 100V mode the 80Hz highpass filter is automatically engaged.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch3\u003eFeatures\u003c\/h3\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\n\u003cspan\u003eUp to 200 watts per channel into 4 and 8 ohms \u003c\/span\u003e— the outputs of the SPA4-100 model are designed to provide up to 100 watts per channel into Low-Z loads. \u003c\/li\u003e\r\n\u003cli\u003e\n\u003cspan\u003eENERGY STAR® qualified amplifier -\u003c\/span\u003e The ENERGY STAR qualified SPA amplifiers employ an efficient class-D design to conserve energy and reduce operational cost.\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cspan\u003eBridgeable outputs for higher power\u003c\/span\u003e — Bridgeable outputs for higher power - Bridging the outputs of the SPA4-100 will deliver up to 350 watts into 70V or 100V when bridged.\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cspan\u003eAuto-Ramp provides quiet startup and power-down\u003c\/span\u003e — The ENERGY STAR auto-ramp circuitry ensures quiet and fast power up from standby and seamless power-down following 25 minutes of inactivity, dramatically reducing power consumption.\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cspan\u003eRack-mountable 1U, half rack width enclosure\u003c\/span\u003e — The SPA amplifers can be mounted in 1 RU, 1\/2 rack space, and their clever joining brackets enable easy under-table and wall-mounting\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ch3\u003eSpecs\u003c\/h3\u003e\r\n\u003ctable class=\"striped\" style=\"width: 1053px; height: 908px;\"\u003e\r\n\u003cthead\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eSPECIFICATIONS\u003c\/td\u003e\r\n\u003ctd\u003e\u003cspan\u003eSPA2-60\u003c\/span\u003e\u003c\/td\u003e\r\n\u003ctd\u003e\u003cspan\u003eSPA4-60\u003c\/span\u003e\u003c\/td\u003e\r\n\u003ctd\u003e\u003cspan\u003eSPA2-200\u003c\/span\u003e\u003c\/td\u003e\r\n\u003ctd\u003e\u003cspan\u003eSPA4-100\u003c\/span\u003e\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003c\/thead\u003e\r\n\u003ctbody\u003e\r\n\u003ctr\u003e\r\n\u003ctd class=\"align-left\" colspan=\"5\"\u003e\u003cspan\u003eStereo Mode Watts Per Channel\u003c\/span\u003e\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003e8Ω dynamic, both channels driven\u003c\/td\u003e\r\n\u003ctd\u003e60 W\u003c\/td\u003e\r\n\u003ctd\u003e60 W\u003c\/td\u003e\r\n\u003ctd\u003e200 W\u003c\/td\u003e\r\n\u003ctd\u003e100 W\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003e4Ω dynamic, both channels driven\u003c\/td\u003e\r\n\u003ctd\u003e60 W\u003c\/td\u003e\r\n\u003ctd\u003e60 W\u003c\/td\u003e\r\n\u003ctd\u003e200 W\u003c\/td\u003e\r\n\u003ctd\u003e100 W\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd class=\"align-left\" colspan=\"5\"\u003e\u003cspan\u003eBridged Mode, watts per channel\u003c\/span\u003e\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003e8Ω \u0026amp; 4Ω\u003c\/td\u003e\r\n\u003ctd\u003e200 W\u003c\/td\u003e\r\n\u003ctd\u003e200 W\u003c\/td\u003e\r\n\u003ctd\u003e400 W\u003c\/td\u003e\r\n\u003ctd\u003e200 W\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003e\r\n\u003cp\u003e70V \u0026amp; 100v\u003c\/p\u003e\r\n\u003c\/td\u003e\r\n\u003ctd\u003e250 W\u003c\/td\u003e\r\n\u003ctd\u003e250 W\u003c\/td\u003e\r\n\u003ctd\u003e350 W\u003c\/td\u003e\r\n\u003ctd\u003e350 W*\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003e\r\n\u003cp\u003eSignal to Noise (A weighted, 20 Hz-20 kHz)\u003c\/p\u003e\r\n\u003c\/td\u003e\r\n\u003ctd\u003e\u0026gt;100 dB\u003c\/td\u003e\r\n\u003ctd\u003e\u0026gt;100 dB\u003c\/td\u003e\r\n\u003ctd\u003e\u0026gt;100 dB\u003c\/td\u003e\r\n\u003ctd\u003e\u0026gt;100 dB\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003e\r\n\u003cp\u003eInput Sensitivity\u003c\/p\u003e\r\n\u003c\/td\u003e\r\n\u003ctd\u003e1.23 Vrms (+4 dBu)\u003c\/td\u003e\r\n\u003ctd\u003e1.23 Vrms (+4 dBu)\u003c\/td\u003e\r\n\u003ctd\u003e1.23 Vrms (+4 dBu)\u003c\/td\u003e\r\n\u003ctd\u003e1.23 Vrms (+4 dBu)\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003e\r\n\u003cp\u003eMaximum Voltage Gain\u003c\/p\u003e\r\n\u003c\/td\u003e\r\n\u003ctd\u003e25.0 dB\u003c\/td\u003e\r\n\u003ctd\u003e25.0 dB\u003c\/td\u003e\r\n\u003ctd\u003e25.0 dB\u003c\/td\u003e\r\n\u003ctd\u003e25.0 dB\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003e\r\n\u003cp\u003eOuput Circuitry\u003c\/p\u003e\r\n\u003c\/td\u003e\r\n\u003ctd\u003eClass D\u003c\/td\u003e\r\n\u003ctd\u003eClass D\u003c\/td\u003e\r\n\u003ctd\u003eClass D\u003c\/td\u003e\r\n\u003ctd\u003eClass D\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003e\r\n\u003cp\u003eFrequency Response (20 Hz - 20 kHz)\u003c\/p\u003e\r\n\u003c\/td\u003e\r\n\u003ctd colspan=\"4\"\u003eFrequency Response (20 Hz - 20 kHz)\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003e\r\n\u003cp\u003eInput Impedance\u003c\/p\u003e\r\n\u003c\/td\u003e\r\n\u003ctd colspan=\"4\"\u003e\u0026gt;10 kΩ (balanced), \u0026gt;10 kΩ (unbalanced)\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003e\r\n\u003cp\u003eMaximum Input Level\u003c\/p\u003e\r\n\u003c\/td\u003e\r\n\u003ctd colspan=\"4\"\u003e 12.3V (+24 dBu)\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003e\r\n\u003cp\u003eHighpass Filter\u003c\/p\u003e\r\n\u003c\/td\u003e\r\n\u003ctd colspan=\"4\"\u003eSwitchable 80 Hz when Bridged in 70V \u0026amp; 100V\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003e\r\n\u003cp\u003eFront Panel Indicators\u003c\/p\u003e\r\n\u003c\/td\u003e\r\n\u003ctd colspan=\"4\"\u003ePower, per channel Signal, per channel Protect\/Limit\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003e\r\n\u003cp\u003eControls\u003c\/p\u003e\r\n\u003c\/td\u003e\r\n\u003ctd colspan=\"4\"\u003e4Ω\/8Ω\/70V Bridge Highpass On\/100V Bridged Highpass On per channel pair\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003e\r\n\u003cp\u003eDimensions (HWD) inches\u003c\/p\u003e\r\n\u003c\/td\u003e\r\n\u003ctd colspan=\"4\"\u003e1.7 x 8.7 x 9.5 \/ 1RU\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003e\r\n\u003cp\u003eDimensions (HWD) mm\u003c\/p\u003e\r\n\u003c\/td\u003e\r\n\u003ctd colspan=\"4\"\u003e43 x 220 x 241 \/ 1RU\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003e\r\n\u003cp\u003eWeight (Net)\u003c\/p\u003e\r\n\u003c\/td\u003e\r\n\u003ctd\u003e3.5 lb \/ 1.6 kg\u003c\/td\u003e\r\n\u003ctd\u003e3.5 lb \/ 1.6 kg\u003c\/td\u003e\r\n\u003ctd\u003e4.0 lb \/ 1.4 kg\u003c\/td\u003e\r\n\u003ctd\u003e4.0 lb \/ 1.4 kg\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003e\r\n\u003cp\u003eWeight (Shipping)\u003c\/p\u003e\r\n\u003c\/td\u003e\r\n\u003ctd\u003e6 lb \/ 2.3 kg\u003c\/td\u003e\r\n\u003ctd\u003e6 lb \/ 2.3 kg\u003c\/td\u003e\r\n\u003ctd\u003e6.5 lb \/ 2.5 kg\u003c\/td\u003e\r\n\u003ctd\u003e6.5 lb \/ 2.5 kg\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003e\r\n\u003cp\u003eAgency Approvals\u003c\/p\u003e\r\n\u003c\/td\u003e\r\n\u003ctd colspan=\"4\"\u003eUL, CE, ENERGY STAR, RoHS\/WEEE compliant, FCC Class B (Conducted and Radiated emissions), UL 2043 witd PL-Kit\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003e\r\n\u003cp\u003eCarton Contents\u003c\/p\u003e\r\n\u003c\/td\u003e\r\n\u003ctd colspan=\"4\"\u003ePower cable, quick start guide, connector kit, rack mount ears, mounting brackets\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003c\/tbody\u003e\r\n\u003c\/table\u003e","brand":"QSC","offers":[{"title":"Default Title","offer_id":43895024975915,"sku":"QSC-SPA4-100","price":863.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0642\/3019\/5243\/files\/q_amp_spa_4100_herofftlftang__11685.1682435619.1280.1280.jpg?v=1775683560","url":"https:\/\/www.empirepro.com\/products\/qsc-spa4-100","provider":"Empire Pro","version":"1.0","type":"link"}