AudioControl ACM-4.300 4-Channel Micro Amplifier

SKU: ACM-4.300

Sale price$299.00

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Product Highlights


  • Crossovers: The ACM-4.300 includes two 12 dB/octave Linkwitz-Riley High pass filters, one for Channels 1 & 2 and one for Channels 3 & 4. Both use a 3-position switch to change the crossover point with a choice of 80 Hz, 100 Hz, or Bypass. The amp also incorporates a built-in PFM subsonic crossover at 32 Hz. 

  • Gain Maximized LEDs: Each pair of channels on the amp includes its own Gain control to properly set the input level. A Maximized LED indicator is provided for each that lights to let you know when the input signal has reached its optimum performance level, helping to avoid running a distorted signal through the amp.

  • GTO (Great Turn On) Signal Sense: If you are connecting the amplifier to a factory stereo or an aftermarket unit without preamp outputs and a remote turn-on lead, the GTO Signal Sense circuitry can turn on the amplifier when an audio signal is detected on either the line-level or speaker-level inputs. After a period of time, with no signal input, the amp will turn itself off.

  • Cover Plate: The ACM-4.300 amp includes a removable top plate that covers the controls and LED indicators. The cover is also reversible if a "plain" look is desired.


The AudioControl ACM-4.300 4-Channel Micro Amplifier is the ideal choice for car audio enthusiasts seeking superior sound quality and performance. With a powerful output of 50-Watts RMS x 2 at 4 ohms and an impressive 75-Watts RMS x 2 at 2 ohms, this compact amplifier delivers unmatched crisp and clear sound. Equipped with advanced Class D technology, it offers a precise and detailed music experience, enhancing your car audio setup with easy installation and innovative GTO™ signal-sensing turn-on feature, eliminating the need for a remote turn-on wire, and saving time and effort. Elevate your music experience to the highest level with the ACM-4.300 from AudioControl.

What's in the Box
  • 4-Channel amplifier 
  • 30A fuse (installed on amp)
  • Two 4-pin speaker input connectors (installed on amp)
  • Two 4-pin speaker output connectors (installed on amp)
  • User Guide 

Preamp Inputs


Speaker Level Inputs


Preamp Input Voltage Range

500mV - 6V RMS

Continuous Output Power (14.4V)

4Ω: 50W x 4 RMS
2Ω: 75W x 4 RMS
Bridged 4Ω: 150W x 2 RMS

Frequency Response

10Hz - 22kHz

Signal to Noise Ratio

102 dBA, Ref 50W @ 4Ω



Fuse Rating

30A x 1


12 dB/octave Linkwitz-Riley, 80Hz/120Hz/Bypass

PFM Subsonic Filter









1.3 lbs

Warranty Information

We have a 30-day easy return policy for all purchases.

We provide a shipping label for defective products upon your return request at no cost. Non-defective products will not receive a shipping label and the consumer will be responsible for all shipping costs.

Stinger products are warrantied against defects in materials One (1) Year from purchase date. Stinger will, at its discretion, replace any products that exhibit defects in materials and/or workmanship during the warranty period. Assessments of defective parts are performed before replacements are shipped or refunds are released.

Please hold on to your order confirmation! All warranty service requires original sales receipt documentation with Order Number. The warranty only applies to the original purchaser.

Note: Products purchased from unauthorized dealers are not covered under warranty.

Warranty Limitations
Units found to have physical or liquid damage caused by use abuse or improper installation may be void of warranty.

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