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AC Series 4 Channel Amplifiers
Compact Full Range Class D Amplifier Series
Models: AC600.4D, AC1000.4D, AC1500.4D, AC2000.4D
Installation and Operation Manual
Please take time to thoroughly read through this manual to familiarize yourself with your new amplifier.
This will ensure that your amplifier will perform at its optimum capabilities.
Para obtener una copia de este manual en español, visite
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Summary of Contents for Aunex AC Series
- Page 1 AC Series 4 Channel Amplifiers Compact Full Range Class D Amplifier Series Models: AC600.4D, AC1000.4D, AC1500.4D, AC2000.4D Installation and Operation Manual Please take time to thoroughly read through this manual to familiarize yourself with your new amplifier. This will ensure that your amplifier will perform at its optimum capabilities.
- Page 2 Congratulations and thank you for purchasing an Aunex AC Series Amplifier. This product has been engineered and manufactured utilizing precision quality parts and craftsmanship. Improvements in sound quality and system performance will be greatly enhanced with the use of this amplifier.
- Page 3 Feature Set of the AC Series 4 Channel Amplifiers • Heavy Density Aluminum Extruded Heatsink • 4 Layer PCB, SMD Technology • Conformal Coated PCB • Differential Balanced RCA Inputs • Output Clipping Indicators • Fully Variable Crossover 12dB/Octave Slope •...
- Page 4 If you do not have the required knowledge and experience, we recommend that you have your equipment installed by an Authorized Aunex Dealer. • Turn off all stereo and other electrical devices before you begin. • Disconnect the negative (-) lead from your vehicle’s battery to avoid an electrical short.
- Page 5 Important Installation Precautions Continued • Install this product in a dry location away from your vehicles’ safety equipment. Each AC Series amplifier circuit board has been coated with a protective layer of Conformal Coating. This will help protect the electronic circuit from harsh environments that may contain humidity and a range of airborne contaminants and varying temperatures.
- Page 6 Side Panel Layout 11 12 13...
- Page 7 1. Low Level RCA Inputs: These are your differential balanced inputs that are used to connect audio signal from your headunit / source unit to your amplifier. Your AC Series Amplifier is capable to receiving either High Level Speaker Outputs or Low-Level RCA cables.
- Page 8 Side Panel Layout Continued 5. Boost Eq: Your AC Series amplifier incorporates a two stage Boost Eq. circuit that is not only active in Low Pass Mode but is also active in High Pass Mode. In Low Pass Mode, the Boost Eq.
- Page 9 For maximum current flow, Aunex recommends that you tin your speaker wire before connecting it to the speaker output terminals. In addition, Aunex recommends using high quality 100% OFC (Oxygen Free Cooper) or Tinned 100% OFC speaker wire.
- Page 10 +12Volt connection. Ensure that all dirt, grease and paint is removed from your chassis ground point prior to attaching the ground wire. Aunex recommends when making your chassis ground to use a Star Washer which will help prevent your ground bolt from...
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Page 11: Power Connection
Grounds as short as possible Vehicle Battery For maximum current flow, Aunex recommends that you tin your ground wire before connecting it to the ground terminal of your amplifier. In addition, Aunex recommends using high quality 100% OFC (Oxygen Free Cooper) or Tinned 100% OFC speaker wire. -
Page 12: Installation
Common Installation Diagrams illustrations below show common installation methods for your amplifier. It is important to make sure that the impedance of the speakers connected to your amplifier are either in 4-ohms stereo, 2-ohms stereo or 4-ohms bridged. Connecting your amplifier below these impedances are not recommended as they will cause your amplifier to go into protection. - Page 13 Common Installation Diagrams Continued 3 - Channel Stereo/Mono Speaker Output Connection Full Range Speakers 2 ohm 2 ohm Minimum Minimum Side Panel Switch Position Side Panel Switch Position Subwoofer 4 ohm...
- Page 14 Common Installation Diagrams Continued 2 - Channel (Bridged Mode) Speaker Output Connection Subwoofer 4 ohm Minimum Side Panel Switch Position Subwoofer 4 ohm Minimum...
- Page 15 As all Aunex amplifiers are designed to deliver high power output, we recommend that you do not use any power wires that contains CCA (Copper Clad Aluminum).
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Page 16: Technical Specifications
*This manual is the exclusive property of Aunex, Inc. Any reproduction of this manual or use other than its intended purposes is strictly prohibited without the express written consent of Aunex, Inc. ©Copyright 2020 Aunex, Inc. -
Page 17: Troubleshooting
Troubleshooting Problem Solution 1. Check to see if Power, Remote and Ground is connected to the Amplifier. Amplifier does not work; no 2. Check Power and Remote Turn-on lead for proper LED's on +12 Voltage. (12 - 16 Volts DC acceptable range.) 3. - Page 18 While this law is only for California and Aunex sells products to consumers in California, Aunex is required to display this warning. Warning: This product can expose you to...
- Page 19 Products purchased outside of the United States of America are covered by that country’s distributor and not by Aunex, Inc. For Service Information in the U.S.A. and to obtain a Return Merchandise...
- Page 20 Declare Your Independence! Aunex, Inc. 13865 Magnolia Avenue, Unit C Chino, CA 91710 T. (909) 589-5010 / F. (909) 589-5011 8:30am – 5:30pm (PST – Pacific Standard Time) www.aunexusa.com...
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