QSC
DCA 3422 2-Channel Power Amplifier
Best high-performance amplifier for professional cinema subwoofer systems.
Experience powerful audio with the QSC DCA 3422, a 2-channel digital cinema amplifier built for professional environments. It delivers robust performance, offering 1250 watts per channel at 4 ohms, perfect for driving subwoofers. The exclusive PowerLight™ power supply ensures deep bass and clear highs with minimal distortion. Designed for efficiency, it's only 3.5 inches high and features a DataPort for seamless integration with cinema processors. Enjoy reliable, high-fidelity sound reproduction for demanding applications.
$2085.00
Owner Satisfaction
4.7
/ 5
Category Rank
421
/ 1684
#421 in Power Amplifiers
Price vs Category Average
-75%
Below average
Channels
2
Who it's for
- Cinema operators needing dependable, round-the-clock performance
- Facility managers looking to lower energy and cooling expenses
- System integrators requiring streamlined setup and remote diagnostics
Who should skip it
- Budget-conscious buyers seeking affordable commercial audio solutions
- Live sound engineers needing versatile, multi-purpose amplification
- Installers preferring lightweight, portable rack equipment
Performance breakdown
Power Output
Massive wattage handles demanding cinema subwoofers with effortless authority.
Signal Clarity
Ultra-low distortion ensures pristine audio reproduction for professional environments.
Rack Efficiency
Compact 3.5-inch profile maximizes limited space in crowded equipment racks.
System Integration
DataPort connectivity simplifies setup with standard cinema processors.
Operational Reliability
Active inrush limiting and short-circuit protection prevent unexpected downtime.
Thermal Management
Variable-speed fan cooling maintains stable performance during long cinema sessions.
Key Specs
Channels
2
Power Output @ 8 ohms
800 watts/ch
Power Output @ 4 ohms
1250 watts/ch
Power Output @ 2 ohms
1700 watts/ch
Height
3.5 inches
Depth
14-inch
Weight
21 pounds
Cooling Method
Variable-speed fan cooling
Features
- Exclusive PowerLight power supply for superior sound
- DataPort for cinema processor integration
- Active Inrush Limiting prevents breaker trips
- Compact 3.5-inch height saves rack space
- Patented Output Averaging short circuit protection
- Hum-free noise floor and ultra-low distortion
- Gain control security cover protects settings
- Variable-speed fan cooling with efficient airflow
What customers say
Integrators consistently regard the QSC DCA 3422 as the benchmark for reliability and clean power delivery in demanding professional settings. Users praise its workhorse capability, noting continuous high load operation without performance loss, which is vital for cinema uptime. The amplifier delivers a transparent, uncolored sonic signature, accurately reproducing source material. Its robust, over-engineered build quality ensures exceptional longevity and low maintenance over many years. Professionals trust its consistent output and protection circuitry. While the initial cost is higher, the long term value is outstanding due to its dependable, high performance nature. This amplifier remains essential for critical audio applications.
Know before you buy
The DCA 3422 is specifically engineered for professional cinema environments. Its high power output makes it an excellent choice for driving demanding subwoofer systems or large-scale cinema speaker arrays.
The amplifier delivers 800 watts per channel at 8 ohms, 1250 watts per channel at 4 ohms, and 1700 watts per channel at 2 ohms, providing significant flexibility for various speaker configurations.
The DataPort allows for seamless integration with compatible cinema processors. It enables remote control and monitoring of the amplifier's status, simplifying system management in complex theater setups.
Yes, the unit is designed for rack mounting. It features a compact 3.5-inch height, which helps conserve valuable rack space in professional installations.
The PowerLight technology is designed to provide high-efficiency power delivery, which results in deep, controlled bass and clear high-frequency reproduction while keeping distortion levels extremely low.
Yes, it includes patented Output Averaging short-circuit protection and Active Inrush Limiting. These features help prevent breaker trips and protect your equipment from potential electrical faults.
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