Clever Acoustics CPA 40 User Manual Download Page 4

This amplifier was designed specifically for use in permanent audio installations, where 

reliability and premium sound quality are a must. Highly rugged construction and high 

efficiency design make this amplifier perfect for continuous duty applications in situations 

were power will be left on for indefinite periods of time. 

This amplifier is warranted from defects for one year from the date of purchase. Should your 

amplifier require service, either within or beyond that warranty period, please contact your 

Prolight Dealer.

This unit includes a host of features, along with an impressive list of specifications, which 

are detailed over the next pages. Please take the time to read this document completely 

prior to installation of this product.

Features 

• Ultra compact Class D amplifier

• Stereo 2 x 20W 4ohms

• Rugged steel chassis with wall/panel mount ears

• High efficient about 85%, low heat-generation technology

• Environment-protection green technology to save power consumption

• Stereo RCA unbalanced line level inputs with gain control

• Independent L/R volume controls 

• Independent bass and treble controls

• Stereo left & right channel outputs

• Built-in intelligent limiter to eliminate the earth line noise when connected with 

  laptop or MP3

• Automatic standby when no input signal is detected for 5 minutes

• Automatic power on when input signal is detected

• Switch on delay for added speaker protection

• Convenient push terminal speaker outputs 

• Overload, high temp and short-circuit protection

• Supplied with DC 24V power adaptor

Specifications

• Power Output: Both channels 20W x 2 driven at 4Ω, 10W x 2 driven at 8Ω

• Frequency Response: 50Hz ~ 18KHz

• S/N Ratio: <85dB

• Total Harmonic Distortion (THD): 0.1% @1kHz, 1/3 power

• Controls: Power, input sensitivity, gain control, treble and bass

• Protection: Overload, high temp and short circuit

• Power requirements: DC 24V, AC (adaptor supplied)

• Dimensions: 56mm (H) x 230mm (W) x 115mm (D)

• Weight: 1kg

Applications

• Installation behind flat panel monitors to power local speakers

• Kiosk and retail displays

• Powering additional zones on an existing distributed audio system

• Audio program material for digital signage installations

• Classroom installations, especially where video projectors are used

• Gaming & Vending machines

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Summary of Contents for CPA 40

Page 1: ...USER MANUAL CPA 40 Two Channel Amplifier Order code CRAM01 www cleveracoustics co uk...

Page 2: ...TION TAKE CARE USING THIS EQUIPMENT HIGH VOLTAGE RISK OF ELECTRIC SHOCK Before your initial start up please make sure that there is no damage caused during transportation Should there be any consult y...

Page 3: ...e power cable periodically If the equipment is dropped or damaged disconnect the mains power supply immediately Have a qualified engineer inspect the equipment before operating again If the equipment...

Page 4: ...puts with gain control Independent L R volume controls Independent bass and treble controls Stereo left right channel outputs Built in intelligent limiter to eliminate the earth line noise when connec...

Page 5: ...ntional consumer devices such as CD DVD players television monitors tape decks and tuners Note that stereo operation requires connection to left and right inputs 5 Left Right Channel Level Controls In...

Page 6: ...r source mains power supply included Do not connect the CPA 40 directly to the mains voltage outlet If a replacement PSU is required contact your loacal Prolight dealer Operation After having connecte...

Page 7: ...6 Connections 4 8 4 8 AUDIO SOURCE...

Page 8: ...Maintenance and service operations are only to be carried out by authorised dealers Replacing the fuse Only replace the fuse by a fuse of the same type and rating Before replacing the fuse unplug the...

Page 9: ...the environment or human health from uncontrolled waste disposal please seperate this from other types of wastes and recycle it responsibly to promote the sustainable reuse of material resources House...

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