AtlasIED
AtlasIED CP400 400-Watt Dual Channel Amplifier
Best professional amplifier for reliable, high-performance commercial audio installations.
Experience robust audio performance with the AtlasIED CP400 Dual Channel Amplifier. Engineered for quality sound delivery, this amplifier offers versatile output voltages including 25V, 70.7V, 100V, and Direct Coupled outputs for various speaker setups. It ensures full electrical isolation with toroidal output transformers and meets worldwide safety approvals. Connectivity is streamlined with balanced inputs on barrier strips and XLR connectors, plus a loop-through feature. Efficient cooling is managed by a dual-speed fan, and the unit includes power-up muting for smooth transitions, making it ideal for professional installations.
$824.99
Owner Satisfaction
4.7
/ 5
Category Rank
421
/ 1719
#421 in Power Amplifiers
Price vs Category Average
-90%
Below average
Channels
2
Who it's for
- System integrators requiring dependable, continuous operation for mission-critical audio
- Facility managers powering multiple zones in medium-to-large commercial spaces
- Business owners looking to minimize long-term energy and cooling costs
Who should skip it
- Budget-conscious buyers seeking affordable solutions for smaller, non-commercial projects
- Audio engineers needing advanced DSP or network-based control features
- DIY enthusiasts lacking experience with complex 70V/100V distributed audio systems
Performance breakdown
Installation Versatility
Multiple voltage outputs and bridgeable channels handle diverse commercial speaker configurations easily.
Signal Integrity
Toroidal transformers provide superior electrical isolation for clean, interference-free audio delivery.
Thermal Management
Dual-speed fan cooling ensures consistent performance during long-term professional installation use.
Connectivity Options
Balanced XLR and barrier strip inputs offer flexible, secure professional integration.
Operational Reliability
UL certification and power-up muting guarantee safe, smooth transitions for daily operation.
Control Precision
Stepped attenuators allow for repeatable, accurate volume settings across both channels.
Key Specs
Channels
2
Power Output (Stereo 70.7V)
200 Watts x 2
Power Output (Stereo 4 Ohm)
240 Watts x 2
Power Output (Stereo 8 Ohm)
160 Watts x 2
Frequency Response
30Hz - 50kHz (±3dB)
Dimensions (Height)
5 3/16" (13 cm)
Voltage Compatibility
110V - 120V
Certification
UL60065 Listed
Features
- Versatile output voltages for any speaker setup
- Toroidal transformers ensure full electrical isolation
- Balanced inputs on barrier strips and XLR
- Stepped attenuators for secure settings
- Dual-speed fan for efficient cooling
- Power-up muting for smooth transitions
- UL Listed for safety compliance
- Loop-through feature on XLR inputs
What customers say
Professional installers highly value the AtlasIED CP400 amplifier for its exceptional reliability and robust commercial construction. This dual channel unit is consistently praised as a dependable workhorse, delivering stable 400-watt power ideal for background music and paging systems in demanding environments. Users appreciate the straightforward integration into existing rack setups. The core sentiment centers on its 'set it and forget it' performance, which significantly reduces service calls and operational costs. While the initial cost is higher, reviewers confirm the superior longevity and low failure rate make the CP400 an excellent long term investment for commercial audio needs.
Know before you buy
The CP400 is highly versatile, supporting 25V, 70.7V, and 100V distributed audio systems, as well as direct-coupled low-impedance setups at 2, 4, and 8 Ohms.
Yes, the CP400 is bridgeable, allowing you to combine the two channels for increased power output when your installation requires more headroom for a single zone.
It features both balanced barrier strip terminals and XLR connectors, providing flexibility for different cabling standards. It also includes a loop-through feature on the XLR inputs to easily daisy-chain signals to additional amplifiers.
Absolutely. It is equipped with a dual-speed, high-efficiency fan for reliable cooling and includes power-up muting to prevent transient pops or clicks during startup, making it well-suited for professional commercial installations.
The AtlasIED CP400 is UL60065 listed, ensuring it meets rigorous safety standards for professional audio equipment.
The toroidal transformers provide full electrical isolation between the amplifier and the speakers, which helps protect the system and ensures consistent, high-quality audio performance.
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