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Fuse rating and replacement instructions.
Connects to the +12V battery binding post using recommended wire gauge.
Connects to the 12V remote trigger or uses GTO™ signal sensing for turn-on.
Connects to a good ground connection on the vehicle chassis.
Connects speaker outputs from other amps/radios via a 4-conductor plug.
Connects line-level outputs from head unit or radios for audio signals.
Connects speaker wire to loudspeakers; minimum impedance 2 Ohms stereo or 4 Ohms bridged.
Power LED indicates status; Protection LED shows diagnostic codes for problems.
Turns amplifier on/off with audio signal; can be bypassed for 12V remote.
Selectable 12 dB/Octave Linkwitz-Riley crossover points at 80 Hz, 120 Hz, or bypass.
Adjusts the overall volume output level; counterclockwise decreases, clockwise increases.
Indicates when the amplifier gain has been maximized for optimum performance.
The AudioControl ACM-2.300 is a compact, high-power 2-channel amplifier designed to enhance your vehicle's audio system. It features a high-current design, making it capable of delivering robust sound. The amplifier can operate in two configurations: 2x75 Watts at 4 Ohms or 2x150 Watts at 2 Ohms for stereo operation, and 1x300 Watts at 4 Ohms when bridged for mono applications.
One of the key usage features of the ACM-2.300 is its 12 dB/Octave Linkwitz-Riley Alignment Crossover. This allows users to match the amplifier's output to specific speaker frequency ranges, optimizing sound quality and speaker reliability. The crossover offers selectable points at 80 Hz, 120 Hz, and a bypass option, giving flexibility for various speaker setups, such as woofers or full-range speakers.
For seamless integration with different audio sources, the ACM-2.300 offers versatile input options. It includes 2 line-level RCA inputs for aftermarket head units and 2 active speaker-level inputs, making it ideal for OEM integration with factory-installed radios. This flexibility ensures compatibility with a wide range of vehicle audio systems.
A notable feature for ease of use is the GTO™ Signal Sense (Great Turn On) functionality. When enabled, the amplifier will automatically turn on when it detects an incoming audio signal from either the speaker-level or line-level inputs. It will then gracefully turn off after the audio signal fades to silence. This eliminates the need for a separate remote turn-on wire from the head unit, simplifying installation. However, users can bypass the GTO™ circuit and use a traditional 12-volt remote trigger if preferred, especially in cases where convenience features in the vehicle might unexpectedly trigger the amplifier.
The ACM-2.300 also incorporates several indicators and controls for user feedback and adjustment. The Power LED illuminates when the amplifier is correctly powered on, while a Protection LED provides diagnostic codes in case of a problem, helping users troubleshoot issues. The Gain Control allows for precise adjustment of the overall volume output level, ensuring optimal performance. A Gain Maximized LED indicates when the amplifier's gain has been set for maximum performance, guiding users through the setup process.
Installation of the ACM-2.300 requires careful attention to safety and proper wiring. Users must ensure adequate +12V and Ground wiring, recommending 8 gauge wire or thicker to handle the necessary currents. Rubber grommets should be used to protect wiring when passing through metal openings. All servicing should be referred to qualified personnel, especially if the apparatus has been damaged or exposed to liquids. The device should not be exposed to dripping or splashing, and fuses must be replaced only with the correct type and value when the apparatus is powered off.
To access the controls, a cover plate must be removed by unscrewing four screws. This design protects the controls from dust and accidental adjustments once the initial setup is complete. The Quick Start Guide provides a step-by-step procedure for initial setup, including connecting power, ground, and audio inputs, as well as adjusting the gain and crossover settings. The guide emphasizes the importance of disconnecting the car battery before making connections and securely mounting the amplifier in a location with good ventilation, away from heat, moisture, and dirt.
The ACM-2.300 is designed with "home-grown audio goodness," reflecting AudioControl's commitment to quality sound. It is built to provide a reliable and high-performance audio experience, making good sound great.
General| Channels | 2 |
|---|---|
| Minimum Impedance Unbridged | 2 Ohms |
| Minimum Impedance Bridged | 4 Ohms |
| THD+N | < 0.1% |
| Fuse Rating | 30 A |
| Power at 2 Ohms | 300 W |
| Bridged Power at 4 Ohms | 600 W |
| Frequency Response | 20 Hz - 20 kHz |
| Crossover | 12dB/octave |
| Signal to Noise Ratio | > 100dB |
