About the AudioControl ACX-3.2
Take control
Take control
AudioControl's ACX-3.2 all-weather processor gives you control over your on-road, off-road, or marine sound system's volume, tone, and balance, while also adding public address features. You can employ the included PA mic to communicate with patrons and workers on buses and food trucks, wakeboarders and skiers behind boats, or just talk with your buddies while motoring on a trail. The ACX-3.2 preamp-style processing includes 4-band equalization to produce the best sound possible and variable crossover settings to manage subwoofer/bass integration. The optional ACX-BT1 Bluetooth adapter lets you stream directly into the system from your phone or tablet.
Part of AudioControl's all-weather system
AudioControl designed the ACX-3.2 processor to work with their ACX Series all-weather powersports/marine amplifiers — and it's also compatible with almost any other aftermarket receiver and amp. The ACX-3.2 features conformal-coated circuit boards that resist corrosion, but it is not water-resistant and should be mounted in a suitably protected location. Mounting brackets are included in the package. There're even options for cool blue or red illumination to add a bit of glitz to your audio system.
ACX-3.2 control panel
Product highlights:
- stereo 4-band graphic equalizer and crossover with paging mic
- 2-channel input (up to 7 Vrms)
- input gain, master output volume, front-rear fader, and sub-level controls
- paging microphone with push-to-talk button included
- mic gain controls mic/source balance
- 4-band graphic EQ
- Parabass® low frequency (40-80 Hz, +/-10 dB)
- low-mid (125 Hz, +/-10 dB)
- mid (1.25 kHz, +/-10 dB)
- high (10 kHz, +/-10 dB)
- variable Linkwitz-Riley crossover (10-100 Hz, 24 dB/octave) for sub integration
More info:
- stereo front, rear, and subwoofer outputs (up to 9.5V peak)
- selectable balanced/unbalanced inputs, mic routing, and ground isolation
- selectable illumination (red or blue)
- dash or console-mountable — brackets included
- 16- to 18-gauge power and ground wires and a 1A fuse recommended
- chassis dimensions: 6-5/16"W x 1"H x 6"D
- warranty: 5 years
- MFR # ACX-3.2
What's in the box:
AudioControl ACX-3.2 owner's manual
- All-weather sound processor
- PTT Microphone with attached 4.5' coiled-cable
- 4-Pin terminal block (installed)
- 2 Mounting brackets
- Mic mounting bracket
- Four 1/8" screws
- Two 3/8" screws
- Owner's manual
- Quality control information
Customer reviews for AudioControl ACX-3.2
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More details on the AudioControl ACX-3.2
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Features
Overview: The Audio Control ACX-3.2 is an all-weather sound processor that's designed for on-road, off-road, or off-shore sound systems. It features a 4-band EQ, High/Low crossover, built-in line driver, and a PTT (Push-To-Talk) microphone.
Controls:
- 3-Band Graphic EQ: Three rotary knobs let you adjust the signal +/-12 dB at 125 Hz, 1.25 kHz, and 10 kHz. There's an indent at each knob's center position so it's easy to return to the flat setting.
- Para-Bass: Para-Bass is a single band, parametric equalizer for the bass output. Like the three graphic EQ bands, the adjustment range is +/-12 dB; the center frequency is continuously variable from 40 Hz to 80 Hz.
- Equalize: A push-button is used to activate the EQ section; when Off, the EQ will be bypassed.
- Crossover: The ACX-3.2 has a built-in high-pass/low-pass crossover with dedicated On/Off switch on top of the processor. A corresponding frequency dial lets you select the cutoff frequency with a range of 30-300 Hz. The Linkwitz-Riley crossover has a 24 dB/octave slope. When the crossover On/Off switch is On, high-pass frequencies are applied to the front and rear line outputs while the low-pass is applied to the subwoofer output. If the crossover is Off, a full range signal will be sent to the front and rear outputs and the subwoofer output will still be crossed over at the selected cutoff point.
- Volume: If you choose, you can adjust the system volume using the ACX-3.2's volume knob. This allows you to leave the source volume at it's maximum un-clipped level, resulting in the best signal to noise ratio and dynamic range output from the source.
- Subwoofer Level Control: The relative subwoofer volume is adjusted using the rotary Sub Level control on the front panel.
- Fader: Because there is only one stereo line input and both front and rear line outputs, the front panel fader knob is needed to adjust the relative front and rear volume.
- Input Level & Indicator: The input signal level for the left and right channels is set using the Level dial, providing 0 dB to +20 dB of gain. A corresponding Maximized LED starts to flicker as you reach the maximum unclipped voltage.
PTT Microphone: The ACX-3.2 includes a hand-held Push-to-Talk microphone that lets you communicate through either the front or front & rear outputs. The paging feature is ideal for communicating with wakeboarders or other boaters, food truck order paging, or keeping in touch with other riders while off-roading. A rear-panel Mic Gain dial lets you adjust the signal balance between the mic and your audio.
Line Driver: To achieve the best possible signal to noise ratio and dynamic range, the built-in line driver can increase the head unit's output voltage up to 20 dB (up to 7 volts RMS/9.5 volts peak).
Connections:
- Audio Inputs: A single pair of RCA jacks provides the signal input for the processor.
- Audio Outputs: Three pairs of RCA jacks (Front, Rear, and Subwoofer) provide the outputs for running to outboard power amplifiers.
- Terminal Block: The power/ground/remote/illumination connections terminate in a removable terminal block that plugs into the rear of the processor and can accommodate wire up to 16-gauge.
Additional Settings: Four jumper settings can be accessed by removing the top cover of the ACX-3.2.
- Balanced Input: Using the balanced differential input circuit may cancel noise picked up in the transmission line between the ACX-3.2 and the source unit. Options inlcude Balanced (default) and Unbalanced.
- Mic Signal Rounting: Determines if microphone siganls are fed to the Rear Outputs (default) or Front & Rear Outputs.
- Ground Isolation: The power supply ground is switchable, in case of ground loop noise. The factory position is fully isolated (typically the best choice), but can be changed to Ground or 200Ω.
- Illumination: The outer ring of each knob is lit whenever the illumination terminal is energized. The color is switchable between blue and red. The illumination wire can be connected to a factory dash light dimmer, letting you dim the illumination on the processor along with the dash lights.
Mounting: The Audio Control ACX-3.2 includes two mounting brackets that allow the processor to be mounted on top of or underneath a console or dash. The PTT microphone also includes a mounting bracket, letting you keep the mic within easy reach.
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