{"product_id":"qsc-usa400","title":"QSC USA400 400 Watt 2 Channel Pro Audio Power Amplifier","description":"\u003cdiv class=\"short-description\"\u003e\n\u003cdiv class=\"std\"\u003eThe USA series amplifiers deliver legendary QSC reliability and audio performance at an economical price. The 400 offers 250 watts of power at 2 ohms and is the perfect choice for studio and control room use.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"std\"\u003eFEATURES:\u003cbr\u003eStereo Mode (both channels driven)\u003cbr\u003e• 8 ohms 20 Hz-20 kHz 0.01% THD: 110W \u003cbr\u003e• 8 ohms 1 kHz 1% THD: 125W \u003cbr\u003e• 4 ohms 1 kHz 1% THD: 200W \u003cbr\u003e• 2 ohms 1 kHz 1% THD: 250W \u003cbr\u003eBridge Mono Mode\u003cbr\u003e• 16 ohms 1 kHz 1% THD: 250W \u003cbr\u003e• 8 ohms 1 kHz 1% THD: 400W \u003cbr\u003e• Signal-to-noise (A weighted): 105 dB \u003cbr\u003e• Input Sensitivity @ 8 ohms: 1.12 Vrms (3.2 dBu) \u003cbr\u003e• Voltage Gain: 28x (29 dB) \u003cbr\u003e• Cooling: Passive \u003cbr\u003e• Weight: 24 lb \u003cbr\u003e• Power Consumption: \u0026lt;6A \u003cbr\u003e• Distortion (SMPTE-IM): Less than 0.025% \u003cbr\u003e• Frequency Response(typical): 20 Hz-20 kHz, 0\/-1 dB @ 1 watt \u003cbr\u003e• Damping Factor: greater than 200 \u003cbr\u003e• Dynamic Headroom: 2 dB at 8 ohms \u003cbr\u003e• Input Impedance: 10 K ohms unbalanced, 20 K ohms balanced \u003cbr\u003e• Controls: Front: AC Switch, AC Circuit Breaker\u003cbr\u003eBack: Stereo\/Bridge Switch, Ch 1 and Ch 2 Gain Knobs 8 Position DIP Switch for Filter and Limiter \u003cbr\u003e• Indicators: POWER: Green LED, CLIP: Red LED, 1 per channel \u003cbr\u003e• Connectors (each channel): Input: Barrier strip and Neutrik Combo 1\/4 inch TRS and XLR, tip and pin 2 positive: Speakers: Touch-proof binding posts \u003cbr\u003e• Amplifier Protection: Full short circuit, open circuit, thermal, ultrasonic, and protection. Stable into reactive or mismatched loads. \u003cbr\u003e• Load Protection: On\/off muting, DC-fault power protection \u003cbr\u003e• Output Circuit Type: Class AB complementary linear outputs \u003cbr\u003e• Power Requirements: 100, 120, 240 VAC, 50-60 Hz \u003cbr\u003e• Dimensions: 19 inch (48.3 cm) rack mounting, 5.25 inch (13.3 cm)tall (3 rack spaces), 9.5 inch (24.1 cm) deep\u003c\/div\u003e","brand":"QSC","offers":[{"title":"Default Title","offer_id":47464114258142,"sku":"B21467QSC","price":117.1,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0222\/5546\/8616\/files\/IMG_3047.jpg?v=1756160564","url":"https:\/\/zeereez.com\/products\/qsc-usa400","provider":"ZeereeZ","version":"1.0","type":"link"}