QSC CX404 4-Channel Contractor Amplifier

Not In Stock Not In Stock, But We'll Order It In For You
This item is not in stock, but can usually be back in our warehouse within 4 to 10 days, depending upon stock levels at QSC. This time frame is not guaranteed, rather an estimate based on historical data. Order now! We'll notify you promptly if we hear of any delay.
Free Shipping FREE Ground Shipping to the contiguous U.S. (details)
Regular Price: $1600.00

Sale Price: $1,319.95

As low as $25/mo.
X

To apply for financing, simply add items to your cart, checkout and choose one of these financing options as the payment method. Questions? Call us at 877-435-4327 or click here to chat!


  • Designed for the individual, not a business.
  • Subject to credit approval, this process takes only seconds after which you can complete your purchase.
  • 3, 6 or 12 months to pay over time, rate range from 10-30% APR. You will see your total at check out.
  • No hidden fess or confusing terminology.
  • May be used with purchases totaling up to $17,500.
  • More details at Affirm.com

  • Can be used for purchases up to $3,000, based on your available credit.
  • Subject to credit approval, this process takes only seconds after which you can complete your purchase.
  • Easily apply for a FuturePay account in seconds during checkout. You will never need a credit card – ever.
  • At the end of every billing period you can pay your balance in full or carry your balance a month longer for as little as $5/month.
  • Your information is kept secure by using the latest in fraud prevention and security tools.
  • More details at Futurepay.com

  • Designed for the individual, not a business.
  • PayPal Credit is a line of credit from Comenity Capital Bank that gives you the flexibility to pay for your purchase now, or pay over time.
  • It’s easy to apply and easy to use. Simply choose PayPal at checkout and select PayPal credit from within your PayPal account.
  • Must have or apply for a PayPal account.
  • More details at PayPal.com
VIP Price:
qsc cx404
Images may show accessories or configurations not packaged with this item.

Be the first to review this product

The new 4-channel CX amplifiers give you four channels in only two rack spaces-without compromising on power. It's equipped with our exclusive PowerLight switching power supply technology to virtually eliminate noise and hum. With high output power, versatile loading options, high thermal capacity and unmatched reliability, the CX Series is the perfect solution to any permanently installed sound system.

Features• Active Inrush Limiting eliminates AC inrush current, removing the need for expensive power sequencers • HD15 DataPort connector for QSControl computer control • Custom integrated security cover for tamper-proof installations • Variable speed fan for low noise • 1 dB detented gain controls for fast and accurate gain settings • Detachable Euro style input connectors • DIP switch control for clip limiters, high pass filters, bridge mono and parallel operation • Exclusive PowerLight switch-mode power supply technology for high performance and compact size • Selectable high-pass filters protect speakers and prevent speaker transformer saturation with minimal effect on program material (33 Hz or 75 Hz on non-V models, 50 Hz or 75 Hz on V models) • Comprehensive front panel indicators including signal, clip, protect and QSC's exclusive bridge mono and parallel input LEDs • Barrier strip output connector • Comprehensive protection circuitry including DC, infrasonic, thermal overload and short circuit protection • High-performance Class AB+B complementary bipolar output circuitry • Light weight-all models only 21 pounds (9.5 kg) for easier racking and shippingDistortion (Typical)• 20 Hz-20 kHz: 10 dB below rated power - Less than 0.01% THD• 1.0 kHz and below: full rated power - Less than 0.01% THD Frequency Response (typical) • 20 Hz-20 kHz, 0.2 dB • 8 Hz-50 kHz, +0/-3 dB Damping Factor • Greater than 500 (1 kHz and below) Input Impedance • 6k ohms unbalanced, 12k ohms balancedCooling • Variable speed fan, rear to front airflow through tunnel heat sink Connectors, each channel• Input: 3 position Euro-style detachable barrier block, Ch 1,2,3 & 4DataPort: HD-15 Connector, Ch 1+2, Ch 3+4Output: Six-position barrier strip with monitor connections, Ch 1+2, Ch 3+4Amplifier Protection• Full short circuit, open circuit, thermal, ultrasonic, & protection. Stable into reactive or mismatched loads.Load Protection• On/off muting, DC-fault power supply protection Indicators• CLIP/PROT: Red LED (1 per channel)LEVEL-10 dB: Yellow LED (1 per channel)LEVEL-20 dB: Yellow LED (1 per channel)SIGNAL -35 dB: Green LED (1 per channel)Controls• Controls Front: AC switch, Ch.1 and Ch.2 gain knobsRear: DIP switch for Ch.1 and Ch.2: clip limiter on/off, LF filter on/off,LF filter freq select 33 Hz or 75 Hz for non-V models; 50 Hz or 75 Hz for V models; inputs parallel or stereo; bridge modeDimensions• 19" (48.3 cm) rack mounting, 3.5" (8.9 cm) tall (2 rack spaces),14" (35.6 cm) deep (from front mounting rails)Weight • 21 lb (9.5 kg) net, 27 lbs (12.3 kg) ShippingPower Requirements • 100, 120, 230 Vac, 50-60 Hz Specifications• Stereo Mode • 8 ohms 20 Hz-20 kHz 0.05% THD - 250W • 4 ohms 20 Hz-20 kHz 0.05% THD - 400W*• Bridged MONO mode • 16 ohms 20 Hz-20 kHz 0.1% THD - 500W • 8 ohms 20 Hz-20 kHz 0.1% THD - 800W • Noise, 20Hz-20kHz - <-106 dB • Input Sensitivity - 1.22Vrms • Gain (for full-rated output power) - 31 dB @ 8 ohms • Input Clipping - Input Clipping • Output Circuitry - AB+B • Distortion (SMPTE-IM) - Less than 0.01%

Additional Information

UPC N/A
SKU CX404
Manufacturer QSC
Product Condition New
Returnable Yes

Write Your Own Review

You're reviewing: QSC CX404 4-Channel Contractor Amplifier

How do you rate this product? *

  1 star 2 stars 3 stars 4 stars 5 stars
Quality