Table of Contents
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Features
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Compact High Power 4-Channel Amplifier
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High Current Design
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4 x 50 Watts @ 4 Ohms, 4 x 75 Watts @ 2 Ohms
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2 x 150 Watts @ 4 Ohms, Bridged Mono
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12 dB/Octave Linkwitz-Riley Alignment Crossover
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GTO™ Signal Sense (Great Turn On)
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4 Speaker-level/ Line-Level RCA Inputs
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All-weather IPX6 rated!
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Filled with home-grown audio goodness
COMPACT HIGH POWER ALL-WEATHER 4-CHANNEL AMPLIFIER
ACX-300.4
Quick Start Guide
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Summary of Contents for AudioControl ACX-300.4
- Page 1 2 x 150 Watts @ 4 Ohms, Bridged Mono • 12 dB/Octave Linkwitz-Riley Alignment Crossover • GTO™ Signal Sense (Great Turn On) • 4 Speaker-level/ Line-Level RCA Inputs • All-weather IPX6 rated! • Filled with home-grown audio goodness ACX-300.4 COMPACT HIGH POWER ALL-WEATHER 4-CHANNEL AMPLIFIER Quick Start Guide...
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Page 2: Important Safety Instructions
ACX-300.4 Important Safety Instructions 14. Fuses shall be replaced only with the correct type and fuse value, and Read these instructions. only when the apparatus is powered off. Keep these instructions. 15. Exposure to high sound pressure levels may lead to permanent hearing Heed all warnings. -
Page 3: Connection Panel Features
Connection Panel Features 9 10 1112 13 1. Speaker Output – Connect these wires to your speakers using 3. Remote Power Input Wire – This wire connects to the 12V the included water resistant harness. Speaker wire may then be remote trigger output of some head units and controls the on/off crimped or soldered onto the bare leads. - Page 4 ACX-300.4 5 6 7 10 11 12 13 speaker wire connector. The mono loudspeaker will receive the 6. Protection LED - This LED will shine if there is a problem being power from each channel, and both channel inputs must be fed sensed by the unit.
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Page 5: Control Panel Features
9. Input mode - If you have both front and rear input signals avail- 13. GTO™ signal sense – In the ON position, the ACX-300.4 amplifier able - either by speaker level or line level - set this adjustment to 4 will gracefully turn on when it detects an incoming audio signal Ch mode. -
Page 6: Quick Start
Quick Start 7. Connect the +12V input wire on the included wiring harness Here are a few general steps to get your ACX-300.4 amplifier up and assembly to the +12V terminal of the vehicle battery, using the running: appropriate gauge wire. -
Page 7: Power Connections
To battery Alternatively, the GTO™ signal sense feature can +12V be used to gently turn on the ACX-300.4 amplifier when an audio input signal is detected. (The con- nection to the ACX-300.4 remote input terminal is not required when using the GTO™ signal sense.) - Page 8 System #1: Using Speaker-Level Inputs INPUT 4 INPUT 3 Speaker level outputs INPUT 2 80Hz and up INPUT 1 OUTPUT INPUT 2 INPUT 1 Source unit Speaker level output 80Hz and down Signal Wires...
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Page 9: Cover Plate Removal
Cover Plate Removal The cover plate must be removed to gain access to the controls, and then sealed again to protect the controls against moisture and debris. Removal Procedure 1. Locate the top six hex screws that hold down the sealed top cover. +12V 2. -
Page 10: Specifications
ACX-300.4 Specifications All specifications are measured at 14.4 VDC (standard automotive voltage). As technology advances, AudioControl reserves the right to continuously change our specifications, like our Pacific Northwest weather, although we are working on changing that as well. The ACX-300.4 Amplifier Warranty For details of the limited warranty for your ACX-300.4, please visit the...
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