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AM Series Amplifiers
Mini Class D Digital Amplifier Series
Models: AM500.2D, AM700.4D, AM800.1D
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
www.aunexusa.com
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Summary of Contents for Aunex AM Series
- Page 1 AM Series Amplifiers Mini Class D Digital Amplifier Series Models: AM500.2D, AM700.4D, AM800.1D 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 AM 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 General Feature Set of the AM Series Amplifiers • Heavy Density Aluminum Extruded Heatsink • 4 Layer PCB, SMD Technology • Conformal Coated PCB • Differential Balanced RCA Inputs • Output Clipping Indicators • Autosensing in High Level Input Mode o Remote Input Becomes Remote Output Trigger if High level Input is used.
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Page 4: Important Safety Considerations
What’s Included • (1) AM Series Mini Amplifier • (1) In-Line Fuse Holder with Mini ANL Fuse o AM500.2D is supplied with a 50A Fuse o AM700.4D is supplied with a 60A Fuse o AM800.1D is supplied with a 80A Fuse •... - Page 5 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 6 For optimum sound quality, it is highly recommended that you purchase Aunex wiring accessories as they are designed to give your amplifiers high-quality signal it needs to operate at peak performance levels.
- Page 7 Side Panel Layout Continued AM700.4D...
- Page 8 Side Panel Layout Continued AM800.1D...
- Page 9 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 AM Series Amplifier is capable to receiving either High Level Speaker Outputs or Low-Level RCA cables.
- Page 10 Side Panel Layout Continued 5. Boost Eq: The AM500.2D 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 11 Side Panel Layout Continued 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 Copper) or Tinned 100% OFC speaker wire.
- Page 12 (If your AM Amplifier is going to be used in a UTV, ATV, Golf Cart or Motorcycle where a good chassis ground is maybe difficult to locate, Aunex recommends connecting the ground of your amplifier directly to your battery ground.) 11.
- Page 13 Aunex recommends setting the Infrasonic Filter between 25Hz – 35Hz. In a ported enclosure Aunex recommends setting the Infrasonic filter at ½ an Octave below your tuned frequency. (The AM500.2D and AM700.4D does not incorporate the Infrasonic Filter.) For example, let say your ported enclosure is tuned at 40Hz.
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Page 14: Power Connection
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 Copper) or Tinned 100% OFC speaker wire. - Page 15 Common Installation Diagrams The illustrations below show the 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-ohm stereo, 2-ohm stereo or 4-channel bridged on the AM500.2D and AM700.4D.
- Page 16 Common Installation Diagrams Continued AM500.2D 1 - Channel (Bridged Mode) Speaker Output Connection Subwoofer 4 ohm Side Panel LP Switch Position AM700.4D 4 - Channel Speaker Output Connection Side Panel Full Switch Position Full Range Full Range Speakers Speakers 2 ohm 2 ohm Minimum Minimum...
- Page 17 Common Installation Diagrams Continued AM700.4D 3 - Channel Stereo/Mono Speaker Output Connection Side Panel Switch Position Full Range Subwoofer Speakers 4 ohm 2 ohm Minimum Side Panel Switch Position AM700.4D 2 - Channel (Bridged Mode) Speaker Output Connection Side Panel Subwoofer Switch Position 4 ohm Minimum...
- Page 18 Common Installation Diagrams Continued AM800.1D 1. A Single Voice Coil Subwoofer Speaker 1-OHM Subwoofer (min) AM800.1D 2. Two Single Voice Coil Subwoofer Speakers (Note: Don’t connect speaker impediance under 1 ohm) 2-4 ohm Subwoofer...
- Page 19 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 20: Technical Specifications
Technical Specifications Specifications AM500.2D AM700.4D Channels Rated RMS Power 4 Ohms Stereo @ 14.4 Volts 150 Watts x 2 100 Watts x 4 Rated RMS Power 2 Ohms Stereo @ 14.4 Volts 250 Watts x 4 175 Watts x 4 Rated RMS Power 4 Ohm Bridged @ 14.4 Volts 500 Watts x 1 350 Watts x 2... -
Page 21: Troubleshooting
3. Check the voltage at the amplifier power input terminals. *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 22 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 23 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 24 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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