CPX™ 3800

Professional Install & Touring Power Amplifer


The CPX™ is an affordable line of amplifiers geared toward the install and MI markets. A tradition of great sound quality, flexibility and reliability is carried over into the Crest Performance series. Industry standard connectors and features make the CPX a great backbone for mobile sound systems, project studios and many other applications. Musicians will also find CPX as the power amp of choice.

With a comprehensive set of features including built-in signal limiting, low pass filters and low frequency crossovers with direct outputs, the CPX line addresses several applications and serves as a low-cost solution for most power amplification needs.

Features CPX 3800

• 1300 Watts @ 4 Ω per channel

• 775 Watts @ 8 Ω per channel

• 2650 Watts @ 8 Ω bridged

• GCL™ Gain Comparator Limiting system with rear panel defeat switch

• Built-in crossover 100 Hz, -24 dB per octave Linkwitz-Riley filter, tuned for subs, individual in/out switches for channels A and B

• 1/4” daisy chain outputs

• Built-in low cut filter -18 dB per octave at 40 Hz, individual in/out switches for channels A and B

• Input connectors – XLR-1/4” Combo TRS

• Outputs connectors Speakon for channels A and B

• Mode selector switch for stereo, parallel and bridged-mono operation

• Two speed DC fan

Additional information

Channels (Input)


Channels (Output)


Power per Channel @ 4 Ω

1300 W

Power per Channel @ 8 Ω

775 W

Power per Channel @ 8 Ω Bridged

2650 W


Class H

Minimum Load Impedance

4 Ω

Frequency Response

-3 dB, 10 Hz – 35 kHz; +0

Input Connectors

2 x XLR-1/4" Combo & 2 x 1/4" Jack

Output Connectors

2 x Neutrik® Speakon® NL4


Rack Mount (19")

Yes (2U)

Net Weight

43.0 lbs (19.50 kg)

Product Height

3.50" (89 mm)

Product Width

19.00" (483 mm)

Product Depth

16.06" (408 mm)

AC Power Input

120, 220, 230, 240VAC, 50-60 Hz version available