CPX 3 Professional Power Amplifier
• Professional Class H Power Amplifier
• Two-Channel Stereo Amplification
• Stereo and Bridged Mono Operation
• GCL Gain Comparator Limiting
• XLR and 1/4-Inch Combo Inputs
• 4-Pin Twist-Lock and Binding-Post Outputs
• Two-Speed DC Cooling Fan
• Multiple Built-in Protection Circuits
• Professional 19-Inch Rack-Mount Design
• Ideal for Touring, Live Sound and PA Installations
Crest Audio CPX 3 Professional Power Amplifier – High-Power Touring & Installation Amplifier
Looking to buy the Crest Audio CPX 3 Professional Power Amplifier online in India? The Crest Audio CPX 3 is a professional Class H power amplifier designed for touring sound systems, live performances, professional PA applications and permanent audio installations. With two-channel amplification and flexible stereo and bridged mono operating modes, this professional PA amplifier offers versatile configuration options for demanding sound reinforcement environments.
The Crest Audio CPX 3 Power Amplifier delivers different power outputs according to speaker impedance, making it suitable for compatible professional PA speakers and sound reinforcement systems. Its Class H amplifier design supports high-power audio applications, while its built-in 150Hz Lackwits-Riley crossover and 40Hz low-cut filter provide additional flexibility for managing audio signals.
For professional audio performance and operational reliability, the CPX 3 features GCL (Gain Comparator Limiting), which helps control excessive signal levels. Its professional connectivity includes XLR and 1/4-inch combo inputs, barrier-strip connections, 4-pin twist-lock outputs and binding posts, allowing integration into compatible professional audio setups.
Frequently Asked Questions (FAQs)
1. What is the Crest Audio CPX 3 Power Amplifier used for?
The Crest Audio CPX 3 is designed for professional sound reinforcement, live performances, touring PA systems, auditoriums, DJ setups and permanent commercial audio installations.
2. What type of amplifier is the Crest Audio CPX 3?
The CPX 3 is a professional Class H power amplifier that supports stereo and bridged mono operating modes for different sound system configurations.
3. How much power does the Crest Audio CPX 3 deliver?
According to the supplied specifications, the CPX 3 delivers 625W × 2 at 2 ohms, 1,250W × 2 at 4 ohms and 750W × 2 at 8 ohms. Bridged power ratings are listed separately. Always check the manufacturer’s operating conditions before connecting speakers.
4. Does the Crest Audio CPX 3 have built-in protection?
Yes. It includes short-circuit, overload, over-temperature, RF and DC protection circuits to help protect the amplifier and connected audio equipment.
5. Is the Crest Audio CPX 3 suitable for professional PA speaker systems?
Yes. It is designed for professional PA applications, including touring sound systems, live events, auditoriums and commercial audio installations. Select compatible speakers by checking their impedance and power-handling requirements.
Specification
| Specification | Details |
|---|---|
| Brand | Crest Audio |
| Model | CPX 3 |
| Product Type | Professional Power Amplifier |
| Amplifier Type | Stereo / Bridged Mono |
| Amplifier Class | Class H |
| Input Channels | 2 |
| Output Channels | 2 |
| Power Output @ 2Ω | 625W × 2 |
| Power Output @ 4Ω | 1,250W × 2 |
| Power Output @ 8Ω | 750W × 2 |
| Bridged Power @ 4Ω | 1,250W |
| Bridged Power @ 8Ω | 2,500W |
| Minimum Load Impedance | 2Ω Stereo |
| Frequency Response | 12Hz – 35kHz |
| Total Harmonic Distortion (THD) | Less than 0.1% |
| Input Sensitivity | 1.26V RMS |
| Input Impedance | 10kΩ |
| Signal-to-Noise Ratio | Greater than 88dB |
| Damping Factor | Greater than 250:1 |
| Slew Rate | Greater than 12V/µs |
| Built-in Crossover | 150Hz Linkwitz-Riley |
| Low-Cut Filter | 40Hz |
| Limiter | GCL Gain Comparator Limiting |
| Input Connectors | XLR / 1/4-inch Combo, Barrier Strip |
| Output Connectors | 4-Pin Twist-Lock, Binding Post |
| Cooling System | Two-Speed DC Fan |
| Protection | Short Circuit, Overload, Over-Temperature, RF and DC Protection |
| Power Supply | 115V / 220–240V AC, 50/60Hz |
| Rack Mount | 19-Inch Rack Mount |
| Height | 89mm |
| Width | 483mm |
| Depth | 380mm |
| Net Weight | 22.3kg |
| SKU | 03620140 |





















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