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Item History
Pre-owned

Details and Specs
This information is to be used for reference only. Accessories or warranties mentioned in this section may not apply to this specific item. Please check the “What's Included” section and photos of this listing to see everything that comes with this item.

The 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. FEATURES:
Stereo Mode (both channels driven)
• 8 ohms 20 Hz-20 kHz 0.01% THD: 110W
• 8 ohms 1 kHz 1% THD: 125W
• 4 ohms 1 kHz 1% THD: 200W
• 2 ohms 1 kHz 1% THD: 250W
Bridge Mono Mode
• 16 ohms 1 kHz 1% THD: 250W
• 8 ohms 1 kHz 1% THD: 400W
• Signal-to-noise (A weighted): 105 dB
• Input Sensitivity @ 8 ohms: 1.12 Vrms (3.2 dBu)
• Voltage Gain: 28x (29 dB)
• Cooling: Passive
• Weight: 24 lb
• Power Consumption: <6A
• Distortion (SMPTE-IM): Less than 0.025%
• Frequency Response(typical): 20 Hz-20 kHz, 0/-1 dB @ 1 watt
• Damping Factor: greater than 200
• Dynamic Headroom: 2 dB at 8 ohms
• Input Impedance: 10 K ohms unbalanced, 20 K ohms balanced
• Controls: Front: AC Switch, AC Circuit Breaker
Back: Stereo/Bridge Switch, Ch 1 and Ch 2 Gain Knobs 8 Position DIP Switch for Filter and Limiter
• Indicators: POWER: Green LED, CLIP: Red LED, 1 per channel
• 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
• Amplifier Protection: Full short circuit, open circuit, thermal, ultrasonic, and protection. Stable into reactive or mismatched loads.
• Load Protection: On/off muting, DC-fault power protection
• Output Circuit Type: Class AB complementary linear outputs
• Power Requirements: 100, 120, 240 VAC, 50-60 Hz
• 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

Funcitonal Condition
Full Functionality - This item is in full working order with all features operational.

Functional Condition Notes (if any):

Cosmetic Condition
Average - It looks to be in average cosmetic shape for an item of this type with a typical amount of cosmetic wear to a comparable item of its age and use as shown.

Cosmetic Condition Notes (if any):

What's Included
power cored

SKU
B21467QSC

 

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Listed3 months ago
ConditionGood (Used)
Good condition items function properly but may exhibit some wear and tear.Learn more
Brand
Model
  • USA400
Categories

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ZeereeZ

New Orleans, LA, United States
Joined Reverb:2019

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